Aircooled Monoshocks

Hi Can anyone recommend a replacement carburettor for a 270cc TR 34 Campionato? Thanks

Hi all, I have just purchased a TY250. When it arrived the numbers indicate its actually a 1986 TY350 frame and engine bottom end with a 250 barrel and head. What are the differences in the bottom end of the 250 and 350 engines? Do they use the same flywheel weight and gear ratios? For example I thought the 350 had a heavier flywheel? Regards, Peter.

Does anyone here nows how I can get a promonty exhaust for my TY 250 ? I send a mail to promonty, but no answer.... tytrials offers some, but they want 249 for it, I found that a little bit to expensive.....

Are there anny specialist dealers for AC mono parts in Europe? i am looking for specific parts for a Fantic 305. Just mounting new footrests was a lot off work as i am trying to keep it as close to original spec as is posible. So this means no welding to reposition the footrests and as litle modern parts as posible. Personly i am a strong believer in keeping a classic original, i think that is part off the classic trialsport.

I have searched the forum but all posts relating to parts are years old, I have found Joel's site but it's in French. Before I embarass myself with emailing them, does anyone know if they reply in English. I'm mainly trying to track down a rear mudguard and perhaps a set of rings. I only have half of the Mudguard as it has been trimmed short but I could re build the missing part then prep it and take a mould so I can replicate some in grp but I would rather have a good plastic one also. I have googled till my fingeres are sore, I did find them on a french site but they are no longer in stock but they do have usefull other Jcm parts. Here's the link if it helps anyone e…

Hello guys, i have a Ty 250 mono and i need some tyre suggestions, im on Pirelli MT43 and it is slightly outdated and really used up, Any suggestions are a big help, Thanks

Hi All I have a TY250 Mono ( 1985) that has the original foot rests...As they look a bit small and battered I would like to know if there are any replacement pegs that could be used? Looking where the originals are mounted..it seems even if i cut them off, there s minimal space on which to weld after market hangers... Just looking to see if anyone out there has done any mods??? Thanks

Hi all, Spent a couple of hours in the quarry on the weekend just having fun and then it happened...bike came down on top of me but I managed to save any damage(bike not me)...as I was holding it up (and trying to think how do I get out of this one) it occurred to me does anyone really give the underside of the engine a really good clean? Just a thought Feet up!

Just wondering what ratio people run ty 250 monos on? Manual says 50:1 or 80:1 depending on brand. Also I was thinking of running fully synthetic if there's any advantages?

I have just picked up a TY Mono which is going to be paired with a chair (new challenge for next year!) I am sorting a few bits out and noticed that the rear brake pedal flop's around due to excessive wear either on the shaft or the housing in the frame. The current pedal looks like it has been built up with braise. I can get a bush made up but first I want to source a replacement pedal. I can't find any UK suppliers stocking any on the net? Or do people buy other ones and modd them (if so what one??)

Hi, I'm thinking of having my Pinky shock serviced, can any one recommend someone here in the UK ? Thanks.

Hi All, Anyone know anything about air valves on the top of my mono forks? They appear to be the same size as tyre valves. I assume they are meant for loading etc. A pal of mine says they may be majesty. Any ideas chaps?

I have just collected my latest toy a JCM Vega which looks very original but has not run for a very long time judgeing by the state of the tyres. Any hints and tips on how to set up modify them? I think it has the 330 engine but need to lift the head to be sure.

Does anyone know how much and what grade of fork oil goes in the 89 240 Europa. They are 35mm Marzocchi so I presume they could be common to some other bikes of this era. Also I was told that removing one of the baffles from the main exhaust silencer was a good tuning mod,has anyone tried this?

Anyone fitted one of those nice looking fiberglass covers on there Mono Yam??? Two things, Fit???, Quality, do they take a knockor two.

Hi, I've just got a Mecatecno Amigo for my son and would like to know if anyone could give me any technical info such as engine type and spares availability.Thanks in advance

G'day, Just got my restored TY running. It has a new Sammy Miller's alloy silencer, but it's running too loud for my liking. They advised that repacking (more packing) could be detrimental to performance. They make 'em so I guess they're right, but I imagine there's always another view. Anyone have any thoughts on this, or advice on how to quieten the exhaust overall. I burnt out all the carbon/crud from the pipe/middle section before re-installing, so that part of the equation should be fine. Is it worth getting the middle sectioin opened up and packed, or does this harm performance, too? Just thinking about all the options. Even considered that exhaust wrapping ta…

Picked up a 1986 Honda TLM200R to provide a back up to the TLR. The chassis appears good but the motor needs work. I have searched for a supplier of parts books but found nothing. Does anyone have a copy either as a file that can be emailed or a paper copy? Happy to pay for postage and copying costs. Regards, Peter.

hi guys, i have stored away in garage a jcm323, my father bought it brand new from peter quinn motorcycles in newcastle( im guesing 1983,1984) im sure it cost £1850 ?, also pretty sure he convinced my father this was one of two he had just got and the first in country, my brother brian young rode it up here in scotland with fair bit of sucess, it has not ran in 20 odd year and is complete and std apart from my father painting frame blue for some reason?? can anybody tell ne were the " chassis, bike number is located" thanks stuart young

Hi does any one know where i can get a 0.75mm piston kit for my Yamaha TY250R Mono from becouse genuine yamaha 0.75mm out of stock now. cheers