Hey there so I have my kids race bike motor he turned his 65 into a e-bike so it's just sitting in a box, it has Twisted Development cylinder port work but stock stroke and bore. The motor currently has 90hrs on it the top end has maybe a 1-2hrs on it i put a new top end for a race and my son got hurt and only broke motor in and never raced it and we went to 85s the ignition is stock has Nihilo clutch red cover and chain case saver hammer head shift lever has a 15 tooth renthal sprocket has a BUDS HIGH TEMP HED with the 12° over piston for higher compression and a Judd high flow water pump Hinson clutch basket oem plates and fibers with Nihilo HD springs! This motor ABSOLUTELY RIPPS we live in So Cal and race at Glen Helen all the time and the difference of this motor is other mod bikes up hill is unreal!! I also have a PRO Circuit works pipe and also a platinum available if you want to buy or maybe throw in if the price is right I also have a ton of stock and parts for a 18-24 SX 65, TC 65, MC 65 FEEL FREE TO ASK ANY QUESTIONS OR MAKE A OFFER