Yamaha

Hi, I have a standard Ty175 but want to 'tune' it a bit and was considering boyesen reeds. What difference do these make and are they worthwhile. I have a miller tailpipe to be fitted but will wait until after reeds if thats the best way.

Hello all. i'v bein restoreing a little ty80 over the last 4 years on and off and it looks very nice no expence spared. i hope to show it this year. i'v become stuck as the last thing i need, is a kill switch the one thats on the twist throtel can anyone help there must still be somewhere i can find one, (please dont say ebay i'v looked on there for the last 6 months) it has to be the silver one not the black DT type. uk

Hi I thought I would share my recent experience of removing the front 2 cylinder nuts (long aluminmium) from my TY250D. These nuts were seized solid I tried the following methods to remove them because I thought they were seized on the crank case studs: 1) Impact wrench (24v electric) - Did not budge. 2) Long extension bar and 13mm socket with a blow torch heating up the nuts - Resulted in rounding the hex shape of the nuts. 3) Drill a small hole in the top and spray liquid wrench onto the stud inside the nut, then use a irwin bolt extractor with a long extension bar - resulted in the hex section of the nut shearing off completely. At this point I was considering …

Hi.i am pretty new to this trials game and i am currently doing up a fairly tidy tyz.However the front wheel is buckled beyond what seems like repair and i am asking on this forum if anybody has a wheel for sale or would know where i could possibly get one from. Thanks.

sorry guys for all the questions will a ty250 twinshock swing arm fit straight on my ty175 twinshock ???

Hi would anyone happen to know the length of the fork stanchion for a 1976 ty 175 c , it would be much appreciated if someone could help with this regards Andy

Hi Does anyone have know a reasonable colour match for a TY 175 petrol tank? It dosen't have to be an accurate paint code or anything elobrate, just one of the (sometimes daft) names they give car colours would be great. Cheers

hey i have trial 80 and im getting power from the magneto but no spark to the coil relly need help

Ladies and Gents- has anyone recently bought a new rear sprocket for their TY250A - I mostly ride fire roads - bike is still not set up for trials- The sprockets and chain are all worn out-I can start over with either 428 or 520 chain but durability is important to me- I'll be miles and miles from the truck if something goes wrong. But getting back to the question- who is a good supplier in the USA? And part numbers if you have them please!

Just wondering if anyone can help in identifying what model my recently acquired Ty250 mono is? Frame is fire engine red and it looks like the engine number starts 88V (frame number matches up). Many thanks.

Hi, Is it possible to get a slide for the carburetor fitted to a Yamaha TY 80 circa 1974, and how much would one cost. Also having difficulty cranking with the kick start, only starts to work half to three quarters at the end of it's travel and sometimes can't get it to engage at all....................rob PS. Thanks in antiscipation

My TY175 lost spark so I thought I'd check the primary and secondary winding resistances of the ignition coil. The manual states 6k ohm for secondary winding resistance (between HT lead and coil earth) and 4 to 5 ohm for primary winding resistance (between small black wire and coil earth). The secondary resistance was fine, but I've run into problems measuring the primary. To start with, I put the red lead on the thin black wire and black lead on the coil earth and the meter showed an open circuit, but when I swapped the leads over it read about 2.5 Mohm resistance. Strange, conducts one way but not the other - methinks maybe there's a diode in there. Sure enough, the ty…

Does anyone know if it is possible to use an electronic ignition from an RD80 or similar on a TY. If the flywheel fits the crank what all would need to be put on the bike to make it work, i.e. the CDI unit. I would want to run it without a battery so is there any way this would be feasable, I just thought that it would be a bit more reliable than points. Thanks for any advice you may be able to give me.

hi all i have just got my hands on a ty175 1980 my first trail bike , i payed £600 for it nowing that it needed some work doing on it, have just had the crank seals replaced and drive shaft oil seal behind the front sprocket , zo after my friend put the engine back up and kicked it for the first time it started great after riding it for 10 to 15 mins it started to jump out of 3rd 4th gear i no this is wrong but dose any one no of any one that can fix this for me any help would be more than helpfull thanks dropdeadfred ....

The ball plunger/ spring mechanism on my TY175 kick starter is not doing a great job of keeping the kick starter rotated in out of the way when riding. I tried a stronger spring but it is still not great. Is there a way to improve that function? I wonder about deepening the hole that the ball drops into when rotated in but don't know if that would help or make it worse. The fit of the kick-start lever to the shaft it rotates on is not like new but not bad for an old bike. I had a similar issue with a TLR200 but never came up with a good fix.

Hi all , I have acquired a ty 175 in bits and trying to work out if it's a majesty. The frame come yellow but not sure if original colour, engine is black so had me thinking was bit different from others I have seen .its not got a fuel tank or seat so cant tell that way . would appreciate any help . Cheers

i have a ty175, it has a flywheel weight on it, does anyone know if taking this off will make my engine run badly??

Anyone know who supplies Boyesen Reeds for a 77 250 twinshock?

Can someone tell me what the difference is between a front brake cable on a 74 TY250 and an 88 TY250? Thanks Alan

Hello All, can anyone tell me if its still possible to buy the fibreglass tank and seat unit for a TY 250 mono