JE piston 82mm
SPS camshaft stage 1.
porting and polishing
ultrasped highperformance ignition coil
fewmonths back, a guy from layz motor, LAYZ-MOTOR.COM
,came to me for extreme engine modification because he feels that the bike need more power after he install bigger tire etc.
at that time, there is no boreup 300cc kit yet(kawahara boreup kit) only JE piston available for CBR250.
after fewmonths now. he wants me to check his engine.
no dyno available yet.