November 16, 201015 yr As anybody tried to install TY 250B/C/D crankcase cover left and right on a TY 250A. Do they fit or do I have to change the flywheel ? Guy
November 17, 201015 yr The flywheel side will work on a 74-75, the clutch side requires trans shaft and clutch from the 75-76 TY Fred check out how I modified the 74 clutch cover http://blackcatvintagetrials.com/2009/10/30/freds-fancy.aspx
November 17, 201015 yr The flywheel side will work on a 74-75, the clutch side requires trans shaft and clutch from the 75-76 TY Fred check out how I modified the 74 clutch cover http://blackcatvintagetrials.com/2009/10/30/freds-fancy.aspx I notice that the motor has also been bored out to 290cc. What piston do you use?
November 18, 201015 yr I notice that the motor has also been bored out to 290cc. What piston do you use? When I had the work done, I was told that the piston was from a Kawaski personal water craft, lots of power, with most of our meets at 5000 ft to 9200 ft of alitude, the bike pulls real strong even with 2 head gaskets. Fred
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