The TTR was never a bike made in large numbers, therefore the availability of parts is not great.
Over the last years i have been always looking for some other yamaha machine that could share the same engine, and therefore possibly extend the sources for parts.
It seems like i found it! Found a yamaha 250cc kart engine that is very similar to our loved 250cc thumper.
All the gearbox/clutch part is different, but apart from that, internally should be the same...
Your thoughts?
Any of you found other machines with the TTR 250 engine?
looks like it may even run the same sprag , looks like the carb attaches to the head the same , but it looks like its a straight fitting not the bike rubber at an angle
-- Edited by ttboof on Tuesday 28th of January 2020 01:36:48 AM