Mr. Gallant was kind enough to recommend removal and cleaning of the RC valves...I am sure mine have never been cleaned as it is a 93. I took a peek inside the exhaust ports yesterday..newbie question coming!

a. Are the valves visible through the port? what I saw was what I assumed was the RC valves..flat 2 holes etc? was that them? I know they can be located outside the barrel as well....there was a decent amount of carbon built up on them although I do not know what normal is..

b. The exhaust port bridge had a fair amount of carbon as well...the piston wall on the exhaust side was light brown right at the bridge and looked good.

c. What level of difficulty is there in the removal?

thanks n advance

Michael
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'93 MC21 250sp Repsol "Doohan"