YX140 Race Engine Package
 
Spec:
4 Speed manual engine (All up N-1-2-3-4).
Lightweight 520g flywheel fitted (No lighting circuit).
Z40 Cam kit Fitted inc HD valve springs
Kickstart style engine.
Lightweight 2 piece oil spinner fitted.
2 valve engine with standard 56mm piston.
Higher compression modification
Nibbi 26mm Race Carb 
Performance Deep State air filter
1L 7-ONE Racing pit bike oil
 
Valve clearance pre set by us before shipping.
 
 
*These engines must be run in at a maximum of 1/2 throttle for 1 hour*
 
*Oil in the engine is a travelling oil, you must drain this and replace with 750ml 7-ONE Racing pit bike specific oil before starting.*
 
These race engines are built to order, engines can take up to 10-14 days depending on how busy our workshop is.