2015 / 10

high compression piston

http://td87185162.blogspot.tw/2015_10_01_archive.html

Fuel injection small upgrade cylinder kit doesn't need to machine engine case.

-NO need ECU, No change jet and throttle

-Just go with original (STD) parts

-Customized dome, high compression piston

　YAMAHA 　Cygnus 125,110/115,S-MAX, BWS125

　KYMCO 　Racing, Many, VJR100/110, G5, G6

　SYM 　Fighter, Jet Power, IRX115, Z1