NO but you have understand that there are kits like Takegawa that make engine like YX 150 22+hp and are kinda reliable by what people have been saying. OK a Euro bike is like what $3k+. If you spend 3K on an X18 with the right parts it would eat a Euro bike and they are manual so you have alot of control over the bike. I know Euro handle very good in corners becuase they are small and thats what makes them fast, they're zippy. Another thing is that a 180cc 4 Stroke will hadle alot more pressure than a 39cc or 50cc watercooled 2 stroke. More reliable, more powerful, less rebuilds. In my opinion I would feel very sorry for a 39cc 2 Stroke with a 220lb guy on it (not me, I'm not 220lb), as much power it can get say 10hp it doesn't matter its small and weak and hopeless where as a 180cc 4 Stroke is strong, tough, powerful. Its like a 2 LTR 4 CYL evo or wrx with 900hp and twin turbo, its ridiculous, its gonna last what 2 days whereas a 5.4LTR KENNE BELL SUPERCHARGED MUSTANG V8 WITH 900HP thats believable.

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X8 2 Stroke