EngineMODIFIEDpowerUP

Engine(exclude Diesel engine) has modified to change of air intake to be power up up
to 40% the engine
step 1, make big size more hole of air and fuel mixed (carburator)
step 2, replace trotle is small beter size
step 3, replace the piston size 0,785 x D2 x Leght( is short better 10-20mm) or modified
step 4, flyweel replace to small size Diameter(10-20mm) or modified
Fuel consumtion is beter big from 16 kg air intake mix with 1 kg fuel 
for important info that replacement of part must be attended with metallurgy composition
standrat of manufacture genuine engine or original manufacture standrat reference of
engine manufacture made by engineer the factory