Does anyone have any info on the timeline history on Yamaha trials models?

Looks like they started in 1974 and continued through to the mid '80's but I can't find any info after that. Maybe that was it but I'm sure I saw a new Yamaha trials at a bike show in about 1990-91.

I dont know alot, but I know yamaha engines pop up in alot of other manufacturers bikes. Like gas gas, scorpa, and probably a few more.

How about emailing TY Trials, they are real friendly and it goes without saying...they will know lots about the subject. It says on their home page...any questions just ask...

Worth knowing too in case you need any stuff for the little bike

http://www.tytrials.co.uk/

Thanks Air, just sent them off a message. Cheers!