SCUT125cc 2-point Support Crankshaft Bore Diameter: 57mm Stroke Amount: 48.9mm Compression Ratio: 12.5:1 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.
■ New coming of Bore & Stroke Up 124cc kit of long-awaited popular SCUT series! ! The biggest benefit of this product is "no need for extended boring modification of cylinder sleeve hole on crank case side ". Adopt new designed enhanced type crankshaft. Cylinder head equipped is set with popular SUPER HEAD 4V + R . You can enjoy the high-spec engine performance.
■ Details of SUPER HEAD 4V + R ■ SCUT Cylinder & Piston (Bore 57mm) SP TAKEGAWA made patent required structure SCUT cylinder & piston is the only product that can increase significant amount of exhaust just by assembling the kit. Cylinder adopts all alumuniun ceramic plated and is excellent in durability, airtightness and heat dissipation. For cylinder, it is available to mount SP TAKEGAWA made Compact LCD thermometer SP / M5 sensor type (7-4-37)to measure cylinder temperature. For piston, apply molybdenum-coating and increase initial fitting after combination. ■SCUT 124cc kit dedicated crankshaft SCUT (Stroke 48.9mm) Different from conventional crankshaft used in bore & stroke up 124 kit, adopt SCUT 124cc kit dedicated new designed crankshaft. Crankpin diameter is 25.1mm (Genuine 23.1mm) , piston pin diameter is 14mm (Genuine 13mm). Also, size of shaft diameter of journal part having concentrated stress is expanded to genuine size of 2mm up to 22mm. (for bearing, use special type). We provide for kit setting not only general two point support (same as genuine) but also three point crank shaft available of lower vibration.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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