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they are bike engine kits,including some bike engine parts.
they are enjoy high reputation among our customers.
it is conventient to use because of its small volume and still good qulity
.the spare parts include rear free wheel/ iron gasket.
and tank of gasoline,switch for oil tank,
roller for tank of gasoline, handle for clutch,
cylinder,carburetor etc.
they inculde commonly disposition
and good disposition
gasoline engine of bike
