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Honda CB 125 F Test Ride Review

Review Date - 09 November 2015

By Ren Withnell

What is it with diminutive Hondas? The C90 took the world by storm and is still to this day the best selling motorcycle the world has ever seen. The CG 125 did exactly what it said on the tin - provided cheap transport for commuters and experience to learners in a reliable and effective manner. The CBF 125 has been the best selling motorcycle in the UK for quite some time for the same reasons. And now Honda has replaced the CBF 125 with the CB 125 F.

The all new Honda CB 125 F side on view outside a motorcycle shop
The all new CB 125 F.

Clever move with the name of the bike Honda, an abject lesson in how to confuse both customers and service desk staff by just moving one letter from the middle to the end on what is a completely new motorcycle. How many times are we going to buy a rocker cover gasket for a CBF 125 when we meant to buy one for a CB 125 F? 

It is a completely new motorcycle, not just a CBF 125 Mark 2. This one is made in China and while I'm sure Honda's quality control will still be very strict it does...I have to admit...feel slightly less "Honda" than home grown models. That said my own CBF 125 (read that carefully) was made in India and that too just never quite feels as perfect as my old NTV 600 or CB 400 Super 4. It is a sign of the times. I can buy a Lexmoto 125 for £1300 brand new and many people have done, to compete Honda must also leverage China's production capabilities to save pennies and keep costs down.

At £2499 the CB 125 F is still expensive next to many Chinese brands. So why should you shell out an extra £1000 for the Honda badge? I hope it is because it will be like my own CBF 125 that has now covered 45,000 miles and is still going strong. I hope it is because it is has a little more finesse. I hope it is because the paint will last longer. I hope it is because Honda has not cut any important corners. The modern Chinese brands are still not quite a match for the established marques but they are constantly improving and catching up all the time.

To see the bike my first impression is one of merely "Oh, yeah, it's a 125". There's nothing gnarly like the KTM Duke or Yamaha MT125 but this is a base model so let's not be harsh. It bears the modern styling with angular pods on either side of the tank, I call them shoulders and they give it that mean hunched up look. These things annoy me, they're just dressing, but most naked bikes have them these days so I guess I'll have to put up with fashion. Why not stick something useful in there like some storage pockets or a nitrous bottle? Shut up Ren. The styling is OK, it's not ugly.

The side pods or binnacles, and the headlamp on the 125
Bits on the side...you ain't with it if you ain't got bits on the side doncha know. Pfffft.

Gone is the half fairing of the earlier CBF, we now have a simple moulded plastic headlight with no screen. A screen on a 125 does help a little but it's not essential due to the lower speeds so this is not a disaster and I'm sure someone will create an aftermarket one at some point. The twin-shock set up at the rear continues and while not trick it causes no issues and maintenance is a doddle. We now have gear indication among the clocks which even for an experienced veteran like myself is a handy addition, no more searching for that extra gear or being lost in the box at traffic lights.

One of the 2 twin shocks on the CB125F
Twin shocks are old hat but they work and are easy to maintain or change.

The wheels are now 18 inch. Hmmmmm. The Yamaha YBR has 18 inchers and that was never a problem but tyre choice might be limited. That said for the earlier CBF 125 there were only the Conti-Go's available in the original specification. Bigger rims slow the steering but also improve stability. Slow steering is never a problem on a lightweight 125 so lets see if the bigger wheels make it more stable. 

Looking around it all seems very basic, standard and sensible. Then ~WOW!~ What the HELL is the rear brake light switch doing mounted under the rear wheel arch where it will get covered in crud and stop working within 6 months? That - Honda - is a ridiculous place to put it. Someone is going to make a fortune creating a clip on cover for it. I can't help but feel the wheel arch should have been extended further to offer more protection to the swing arm bearings and the rear of the engine. Perhaps it never rains in the rest of the world?

The position of the rear brake light switch, under the rear wheel archI want you to imagine this area covered in road dirt, mud and rain...

However there are plenty of other features that are much more positive. The front brake is a twin pot slider and takes the common FA197 pads. Good, this means the pads are common as muck and available for next to nothing from Chinese Motorcycle Parts Online. The gear shift runs straight into the gearbox and not through a linkage that will end up all floppy. The rear shocks have shrouds to protect the dampener rods. The ignition key is deeply recessed, I suspect this is for additional security. The Lambda sensor is behind the frame which should protect it. Shame they've hidden the oil filler cap/dipstick.

The gear lever on the CB125F runs straight into the gearbox
Straight into the gearbox means no sloppy worn out linkages. Good.

Enough looking, it's time to kit up and head out. This bike has only 6 miles one the clock! As such it is a little stiff on both the suspension and the engine. I am certain this will ease up with miles. 

The first noticeable difference against my CBF 125 that I have ridden to the test is the seating position. I am bolt upright and my feet are slightly further forward in the traditional sit up and beg stance. I...er...erm...yes I think I like it. I am immediately at home, everything is to hand and this feels right. With a gentle strum from the engine I'm away with no wobbles or problems.

The clocks are clear and simple and the gear indicator is subtle which is probably a good idea as this ought not to distract from the important thing - your speed. The earlier CBF 125 does have a pathetic indicator reminder light, Honda knows this and has tried to address the matter with 2 much larger and more obvious reminder lights on the binnacle. They are definitely an improvement but they still don't blast your eyes to the point where you could not forget to switch them off. That said this is a problem with most motorcycles. There's no clock, no digital nonsense and a simple fuel gauge. Everything you need, nothing more.

The simple and effective clocks on the new Honda 125
Nothing fancy just what you need. 

The tyres on these 18 inch wheels are actually a tad slimmer than the already spindly CBF 125 rubber but being taller I do feel they are that little more stable. 125s are twitchy, something my gf has noticed since riding a much larger machine while taking lessons for her test. With only now 8 miles on these hoops I dare not push them as they'll still be slippery with the release compound but hacking down a set of country lanes is an easy affair. The handling is not going to win races but everything feels quite neutral and sensible. Striations in the tarmac cause some tracking, again this is expected on small bikes with small tyres and it is not alarming. 

Against the CBF 125 the CB 125 F is actually down on power! Oh yes, there's a staggering 0.5 hp missing, in return for a better mid range. The difference between the 2 models is barely noticeable, the newer machine does feel a smidgen more perky and I am sure that will improve as the engine runs in properly. This will suit the city and the town where the CB 125 F is squarely marketed. Out on the open road the rev counter maths suggest a top speed of 65 mph before hitting the redline. I'd propose a slight change of gearing if like myself you do a fair bit of motorway riding. 

The simple and effective motor in the CB125F
More midrange but less top end, the CB 125 F engine is still a solid performer.

Honda has made a fuss about the new engine being smoother as it has a balance shaft. Knowing this I made a mental note to see if my old CBF 125 is filled with vibration. Nope, no it's not. On a long motorway run I can become aware of some tingling but I've never considered it a problem. The new engine? Well yes it is that little bit smoother. I know that a balance shaft saps a small amount of power from the engine (is that where the missing 0.5 bhp has gone?) but I would question whether or not it is necessary. Only on a long high speed ride perhaps.

Overall everything works and there's nothing amiss. Of course this type of bike is never going to set your world on fire, hopefully it will continue in the vain of it's forefathers by providing simple, easy and uncomplicated transport. It will be easy for novices to learn on. No longer being overly concerned with performance figures and lightening speeds I thoroughly enjoyed my brief time with Honda's new basic 125. 

What I hope to see in the future is that the CB 125 F proves to be as honest and reliable as it's forefathers too. 

Reader's Comments

Tony said :-
Hi Ren, nice write up as per usual. You mentioned a possible gearing change to suit the open road and I wondered if you'd done any experimenting with your CBF? I run a 17 tooth front sprocket on mine because to me the engine was to busy at 50mph for my liking. So rpm has been dropped by 800 to 6200. I don't know by how much the mpg has suffered because I haven't done the miles.
1/1/2000 12:00:00 AM UTC
Ren - The Ed said :-
Hi Tony. No, I've never changed the gearing on my current CBF 125. I have considered it but never actually got around to it. Mine is the early model that never had the rev counter and as such I've never actually known how much grief I'm giving the engine. I suspect if I did have the rev counter I would have up-geared years ago.

With the larger front sprocket do you find acceleration has suffered much and how do you get on with the hills?
1/1/2000 12:00:00 AM UTC
Tony said :-
Acceleration as you'd know was never going to be a strong point on a 125, however there is still more than enough to keep ahead of the traffic in town. Up to 30 mph I haven't noticed much difference at all. You can hang on the gears slightly longer, so no loss of time gear changing. I suppose what you lose in one area you gain in the other. Hills, unless they are very steep or you haven't got the momentum in the first place I can still maintain the speed.
There are a couple in the area that 4th gear is necessary.
Part No:JTF1264.17 if you fancy trying one. Mine was under £5.
1/1/2000 12:00:00 AM UTC
Tony said :-
Acceleration as you'd know was never going to be a strong point on a 125, however there is still more than enough to keep ahead of the traffic in town. Up to 30 mph I haven't noticed much difference at all. You can hang on the gears slightly longer, so no loss of time gear changing. I suppose what you lose in one area you gain in the other. Hills, unless they are very steep or you haven't got the momentum in the first place I can still maintain the speed.
There are a couple in the area that 4th gear is necessary.
Part No:JTF1264.17 if you fancy trying one. Mine was under £5.
1/1/2000 12:00:00 AM UTC
Ren - The Ed said :-
Cheers Tony! I shall have a look at that. Simply because I do a lot of motorway work and it won't harm fuel economy. I just hope it doesn't kill the bike's ability to pull my heavy loads. Mind you for a fiver it's worth a shot ain't it.
1/1/2000 12:00:00 AM UTC
S Latchford said :-
Very good write up mate, very informative as usual but what's this about fuel economy? It is a 125 for heavens sake and would probably not be noticed, like ever!
1/1/2000 12:00:00 AM UTC
Ren - The Ed said :-
You don't ride a 125 on a full licence unless fuel economy is important to you S Latchford. On a big bike 10% of 55 mpg is 5.5 mpg, noticeable but not a lot. One a 125 10% of 140 mpg is 14 mpg, that's quite substantial.
1/1/2000 12:00:00 AM UTC
Ian Soady said :-
Hi Ren.

Your maths is correct but maybe your logic is a bit suspect. At £1.10 / litre each mile on the bigger bike at 55 mpg costs around 9p / mile. A 10% improvement in fuel consumption will bring this down to around 8p / mile - so if you do 5,000 miles / year you will save £50 to be spent on bacon butties and the like.

Your tiddler at 140 mpg is costing around 3.5p / mile - a 10% improvement here brings that down to 3.1 p / mile (everything rounded of course).

So on the 125 you're only going to save around £15 per year. I appreciate it does cost less overall but that wasn't the point I understood from what you wrote.......

Nothing wrong with riding a small bike because you like it of course.

1/1/2000 12:00:00 AM UTC
Ren - The Ed said :-
Ian - stop being so damn right! Anyhow, I did 15,000 miles on the 125 last year so I'd save £45 - so there. £45, that's a new rear tyre and enough left over to treat the gf to a slap up chippy tea! I sure know how to spoil that girl.
1/1/2000 12:00:00 AM UTC
S Latchford aka Latchy said :-
Ha ha made me chuckle to myself guys, love all that maths Ren oh and Ian soady, such logic ....... Fantastic
Oh btw I'm very happy with my 64 to the gallon triumph street Ren but then I average 9000 miles a year on bikes
1/1/2000 12:00:00 AM UTC
Harry Snijders said :-
Hi Ren, and others,

If been reading some of the reviews posted here. I own several bikes and now, because my girlfriend is going for her licence I am interested in a 125 or 250. I like the mpg of the 125 but would it be ridable for me, what size are you huys? I am 1.93 cm and weight at the moment 135 kg. For me the fun of riding a bike is not per se the performance as lng as you do not have to force the bike to rie up with the traffic.

1/1/2000 12:00:00 AM UTC
Ren - The Ed said :-
Hi Harry Snijders. I'm 5 foot 8, or about 1.73 metres tall and 12 stone or 76kg. So you're quite a bit larger than I am. Yes, a 125 will of course pull you, I've ridden my 125 two-up with my son who's 82kg. BUT - performance will be affected, no doubt there. You will be able to flow with the regular traffic unless you're out in the countryside but you certainly won't be winning any races.

All I can suggest is that you take a 125 for a test ride and then decide whether or not you can adjust your mindset and approach to the road enough to compensate for the lack of power. Even a 50cc restricted scooter has enough poke to go around the world as long as you can rethink your travelling speed.

There are some lovely 250s and 300s coming on to the market now though. They'll keep up with traffic no problem but you won't be getting above 100 mpg on them.
1/1/2000 12:00:00 AM UTC
Janice said :-
Hi Ren, I would like to check, currently I had my first servicing for the first 500km mileage on this cb125f. May I know how much mileage must I reach for my 2nd servicing? Thanks!
1/1/2000 12:00:00 AM UTC
Ren said :-
Hi Janice. I don't actually know the service intervals for the CB125F. I would GUESS the next one would be about 3,000 to 4,000 kilometres. The simplest thing you can do though it go to your dealer and ask! They'll be more than happy to help.

Good and regular servicing and maintenance is the key to survival for any motorcycle. I'm glad to hear you've had the first service done and are looking to find out when it's next due. I hope you enjoy your 125.
1/1/2000 12:00:00 AM UTC
Monk said :-
Ren... when will you do a test ride on the Vulcan 650 S ABS mate? I know it's a tad biased of me but... I can't wait to read that one!

14/2/2016 6:27:01 PM UTC
Ren - The Ed said :-
Oh Monk! I will need to persuade a shop to let me try one. The problem is they all know me and know I'm too tight to actually spend my own money and buy one. Anyhow...what ya gonna do if I don't like it?

Now get out there and do some miles. Hey! Why don't YOU write up your own review and send it to me!
15/2/2016 8:19:24 AM UTC
Monk said :-
I understand that Ren, I'm having problems persuading my local bike dealer to give me a go on a Kawasaki VN900 Classic or Custom! The sales manager, who I know, 'phoned me on Saturday morning telling me his boss says no bikes available, but they've got three, which I mentioned and he said he's not prepared to let them become demo bikes just yet but that he'll let me know when that changes, but don't hold my breath!In terms of doing a review on the Vulcan. I could of course do that but would anyone believe me? You're far mor respected on that level mate. I will get something together regards the Vulcan at some point. What I will say is that it seems a bit juicy, although I have yet to measure fuel consumption against miles done on a full tank, about £25.00 at current prices per litre in my neck of the woods. The other thing is the suspension's a bit hard on the derrier over bumps and general not so good roads of which there are many...other technical issues, if there are any, which I have not discovered, I would leave to those boffins of bikes such as yourself, plus a second opinion is always a good thing...I hope your powers of persuasion will eventually work on your friendly local dealer...

15/2/2016 10:36:15 AM UTC
Monk said :-
Sorry...forgot to say the bug bear for me is that there is no centre stand which is a bit of a bugger when checking the oil level sight glass and when topping up...others may have that sussed... for now, for me it's a bit much having to hold the bike level to check the sight glass, back on the side stand splosh a bit of oil in re-check...wobble wobble...back on stand!!!! If any one knows an easier way, without spending money on maguffins to hold the bike upright, please let me know.
15/2/2016 10:45:08 AM UTC
Ren - The Ed said :-
Regarding checking the oil most centre-stand-less owners will stand beside the bike while holding it upright to check the oil. It is far from perfect but...well...better than nothing I guess. First world problem I'd say.

Yip, the 650 Kwak will drink at lot more go-go juice than your previous CBF 125. I'd estimate you should expect 60mpg at best, compared to the 130-140 the 125 gives it will feel like you've been kicked each time you fill up, but that's what most modern bikes seem to achieve.

I can understand a shop not wanting brand new motorcycles being used as demo machines, it knocks a chunk off the retail price. You'll know you're being pushed aside when they do have a demo bike and they won't let you ride it! Of course they know you've just shelled out for a new bike and you're unlikely to be in a position to shell out again for a while. Unless there's a chance of a sale they won't want to let you play with their toys.

Unless of course you can persuade them you wish to review their bike for a well known and respected motorcycle website...
15/2/2016 1:30:58 PM UTC
Monk said :-
Regarding the oil check/fillage question, yes I'm getting used to it after the CBF 125 and it's lovely little centre stand made things much easier oil wise, the 650 is proving a different bottle of cornflakes and that's for sure. But...I love it quite honestly!In terms of fuel consumption, again, yes it is guzzling juice like a thirsty person who's just been found wandering in the sahara after being lost for a week without water !¬!But...I'm in love with the bike what can I do!!!

I'll definitely pass the review idea by the dealership chappies, probably get a knock back knowing them as I do. And, again you're correct in what you say, why would they want me flying about on their brand new just out of the box VN900 knowing full well I have no way of purchasing same. It's a dilemma for us both.

15/2/2016 4:20:56 PM UTC
said :-
It's as dilemma... but not this much of a dilemma!!!
15/2/2016 4:21:44 PM UTC
Ren - The Ed said :-
Thinking of going all Village People Monk?
15/2/2016 4:36:54 PM UTC
Monk said :-
Why (M)otorcycle (C)hesthair (A)ssociation!!!!
16/2/2016 1:04:29 AM UTC
Dick Dastardly said :-
The CF125F does have a centre stand as well as a prop stand.
23/8/2016 2:59:32 PM UTC
GJ said :-
Re:- Honda CB125F

I have owned motorbike since the beginning of October last year. During that period I have ridden just over 4,000 miles which is not much in the grand scheme of things. It's a more a tool for getting back and forward to work. It cost me £2,699.

It's been very reliable and it's only needed the chain cleaned and adjusted over the period after the first service. The brakes, tyres etc are still within limits but I might prefer better tyres than stock. It was used over the winter period and started without fail each and every time.

It has a couple of minor scratches due to tipping it over a couple times. Due to black ice and another time parking it in the garden. I usually get 115-117 mpg after each fuel up. Usually around 307-309 miles for 12 Litres. The MPG is not quite what was quoted in the Honda sales spiel but my style of riding might contribute to this.
Although riding in real situations might affect fuel consumption.

Not the most detailed review but maybe handy information for some potential purchasers. I had a Lexmoto Street 125 beforehand and quality wise it's in a different league. I don't set out on this Honda motorcycle wondering whether I will be stranded due to faulty electrics, reg-rectifier problems and numerous other issues to mention.

It's been a good, sensible and dependable purchase and I would have no qualms recommending to any potential purchaser.

Taken at Bridge Of Cally
3/8/2017 12:48:06 PM UTC
GJ said :-
The bike is comfortable and I'm not cramped. Despite being 6 ft and carrying slightly more timber round my waste than I would like. On the dual carriageway I have had the bike up to speeds around 65 mph. Someone more lithe than myself might get another couple mph extra out of it.

Backwater Reservoir
3/8/2017 12:58:38 PM UTC
Ren - The Ed said :-
Cheers GJ! No Honda's fuel figures will have been achieved with a small rider in ideal conditions not a British bloke doing battle with traffic. That said 115mpg is really good compared to most cars...and bikes.

As and when you pass your test are you going to keep this bike?
3/8/2017 4:58:08 PM UTC
GJ said :-
Not sure regarding whether I'm going to keep it or not.

A few options:-

1) Keep the 125 and purchase Honda CB500x/NC750X, Versys 300/650.
2) Sell the 125 and purchase one of those bikes listed above.
3) Sell the 125 and purchase one of those bikes listed above and a winter runaround.
4) Runaround on the 125 until Feb/Mar next year then decide.

Local Honda dealer that I purchased 125 from have said I can have test rides once I have passed my test. Definitely need to sit on all those motorcycles to get a feel for the ergo's. Probably a test ride potentially also.
3/8/2017 5:27:10 PM UTC
Ren - The Ed said :-

I can't speak for your specific dealer but I know *some* dealers won't allow a test ride until you've held your full licence for over a year. It's just worth asking as it's an insurance thing that's all.
4/8/2017 10:06:08 AM UTC
GJ said :-
Will seek confirmation from local dealer.

Can cross that bridge at the time so to speak.
4/8/2017 12:36:16 PM UTC
Arunansu pradhan said :-
Miter is not digital type and with out kick.rear tyre is very slim and front suspension is short
27/9/2017 9:58:53 AM UTC
TMO said :-
Got my new cb125f, called city flyer on v05 doc, I get around 27 miles a litre, riding from Wembley on A40 western avenue at peak hours to and from work down into busy London kings cross doing 26 miles a day. Is this good fuel economy? How much you actually get per litre or mpg? I am planning for A1 licence only so will stick to my 125 for few years,

A category licence training are costly in London around £160 a day, can you suggest any cheaper ones in London? Thanks. Tej
13/10/2017 10:45:11 PM UTC
TMO said :-
Any suggestion on what is good economy speed to ride a Honda cb125f to get good fuel economy. Any tips on speed at which to swift gears would be helpful too.

I am not into speed but saving monies. Thanks. Tej
13/10/2017 10:48:45 PM UTC
Ren - The Ed said :-
Hi TMO. 27 miles per litre equates to 122 miles per gallon, a figure I'm more familiar with. I'd say that's pretty good considering the traffic you're passing through.

I own the slightly older CBF125. My model seems to get the best economy at 30-40 mph. Any faster and the engine is working quite hard. I don't have a rev counter on my early CBF125 but I estimate I usually change gear around 5-6 thousand rpm.

I can't help with training schools in London as I live in North Manchester. I have been told training is expensive in London, I wonder if it would make financial sense to take a week's break and do your training outside of the big smoke.
14/10/2017 1:34:17 PM UTC
TMO said :-
Hi Ren - The Ed,
Thanks for sharing your thoughts. I agree with you on 30-40 mph speed figures, I some times go up to 50 mph if I am early on the road and can see the engine working hard plus the vibrations, moment am under 40 mph, feels better. I will sick to the 30-40 mph range and see if I get some good value from every drop of petrol. I am not into racing but just to save on work commute.

I take your point of taking a week out to come up north but the train fares will make total cost more or less as here :(. For now I am taking A1 and passed mod 1 so am using you tube videos and RJH motorcycle training from Manchester has got some excellent videos so am taking their tips and implementing on my riding also other training providers too. If I pass my mod 2 then it would be great :) I will go for A category after few years once saved enough :)

14/10/2017 6:05:52 PM UTC
Ian Soady said :-
Re training in the London area try Kevin Williams http://www.survivalskills.co.uk/index.html#our_courses

I have been riding for 50 years but an assessment I had with Kevin a few years ago was very useful.
15/10/2017 8:07:39 AM UTC
Ren - The Ed said :-
Thanks TMO.
16/10/2017 1:49:34 PM UTC
GJ said :-
An issue with the Honda CB 125 F.

The exhaust muffler has come clean away from the motorcycle. The fitting that held the screw and nut in place on the exhaust has rotted away and sheared off. I've sent pictures to my local dealer and am awaiting a response. Motorcycle is just over a year old. It's still under warranty.

Other than that issue motorcycle has been fine.

Although motorcycle now due 5,000 mile service.

That's getting done along with new chain, sprockets and new front and rear tyres. Tyres are getting done now with the service as I managed to collect a nail in the rear tyre on my last outing on the bike. Discovered it as I was washing the bike and doing a few checks. Very near the sidewall so I don't believe it could be plugged. Although I'd rather avoid plugging a tyre in any case.

Going to an expensive visit to Honda this time.
23/11/2017 3:18:59 PM UTC
Ren - The Ed said :-
OUCH! Yeah the tyres and service will sting you a bit. Yes the general advice is that punctures near the sidewall ought not to be fixed. Plugging a tyre on a small bike isn't really an issue to be honest.

You'll have to send those pictures of the exhaust hangar. I'm not quite with you where it has broken and I am more than intrigued.
23/11/2017 5:05:36 PM UTC
GJ said :-
Here is the pic from the exhaust.

23/11/2017 6:06:14 PM UTC
GJ said :-
From the exhaust muffler.

23/11/2017 6:07:35 PM UTC
GJ said :-
I'm actually surprised that it did not fall off whilst going over a bump etc.
Essentially it's rotted/rusted through.
23/11/2017 6:15:55 PM UTC
Ren - The Ed said :-
Blimey!! So it's the lug that is welded to the exhaust to suspend the rear. While I would expect it to get rusty it really really ought not to rust right through. Certainly not until the rest of the exhaust is on its last legs.

That's not good. I wonder if it's happening to other CB125Fs.

Cheers GJ
23/11/2017 9:30:22 PM UTC
GJ said :-
In regards to exhaust muffler it's been passed on to get permission for whole exhaust to be replaced under warranty. Honda dealer does not envisage it being an issue for replacement. They expect to be able to carry out replacement shortly after warranty replacement agreed.
24/11/2017 4:57:21 PM UTC
Ren - The Ed said :-
I should blooming well hope so. Am I right in thinking the bike is still rideable?
26/11/2017 7:41:48 AM UTC
GJ said :-
Yeah, it's still rideable.

I have been quite thorough in my cleaning and maintainance of the motorcycle in the just over a year of ownership.

Riding through the winter months does take it's toll but you would not expect it to rot and rust like that. The motorcycle is kept outside but it's covered. You might expect that type of lug to fail over time but certainly not in just over a year.

It's the only issue in the period of ownership.

It just makes you wonder what else has been done on the really cheap.
26/11/2017 12:53:12 PM UTC
Borsuk said :-
Looking at the photos and the thickness of the hanger I think you have a galvanic corrosion cell there. Normally at work we fit nylon sleeves over carbon steel bolts and nylon washers under the nuts when they are connecting to stainless steel to insulate the SS from the carbon steel. This stops the carbon steel from sacrificing itself to protect the stainless steel.
Carbon Steel is stupid and doesn't realise stainless steel does not need protected.
We do it mostly for flanges but in some areas we do it for brackets, gratings etc, depending on the location and materials being connected.
The thickness of your hanger wouldn't take long to eat its way through if there is a corrosion cell going.

Dissimilar Metal Bolt Insulation Hit.
26/11/2017 2:14:20 PM UTC
Ian Soady said :-
"Carbon Steel is stupid and doesn't realise stainless steel does not need protected."

I like that!
26/11/2017 3:23:16 PM UTC

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