125 Kx 125 Rebuild thread

Looks like she's coming along nicely. :thumb:


:lol: Not sure.

I drop in a new piston, get the bike all nice and warm, and then ride the crap out of it. Seriously. :ride:
Did that last time. Compression was only like 160 afterwards. Gonna compare which works better after i do it this way
 
From what I've heard on heat cycles is high compression pistons take more advantage. It's a way breaking in the engine in cycles without the head loosing it's toughness, rather than becomming brittle.
 
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