SCUT138cc 2-point Support Crankshaft Bore Diameter: 57mm Stroke Amount: 54mm Compression Ratio: 12.6:1 Included Camshaft: 20/25D It does not require processing the Crankcase.
*The engine length is long in case of mounting 24cc/125cc/138cc, and it requires replacement around the front because the engine interfere to the tire for the STD front fork STD top bridge and stem.
*It is recommended to mount together with the SP TAKEGAWA various front fork kit in case of using MONKEY/GORILLA.
*It does not sell such as SP TAKEGAWA front fork kit in case of using CRF50F/XR50R, CRF70F/XR70R. In addition, it sell the frame and front fork kit but it is not confirmed on installation by a simultaneous installation. Please do it in your own responsibility in regard to vehicle installation. *SP TAKEGAWA dig crosser exhaust system is not mountable at the same time.
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