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ULTRA-SE Bore Up Kit

  • Brand: KITACO
  • Product ID: 212-4021810

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[要點]

[Specification]
Aluminum Hard Plating Cylinder
Steel valve

[Displacement: 125cc]
・Inner diameter: Φ56
・Stroke: 50.6mm (Stock)
・Compression ratio 10.9: 1
・Forged piston specification

[Displacement: 143cc]
・Inner diameter: φ60
・Stroke: 50.6mm (Stock)
・Compression ratio 11.6: 1

[Displacement: 160cc]
・Inner diameter: φ60
・Stroke: 56mm (long stroke)
・Compression ratio 11.5: 1

[商品描述]

[Specification]
Aluminum Hard Plating Cylinder
Steel valve

[Displacement: 125cc]
・Inner diameter: Φ56
・Stroke: 50.6mm (Stock)
・Compression ratio 10.9: 1
・Forged piston specification

[Displacement: 143cc]
・Inner diameter: φ60
・Stroke: 50.6mm (Stock)
・Compression ratio 11.6: 1

[Displacement: 160cc]
・Inner diameter: φ60
・Stroke: 56mm (long stroke)
・Compression ratio 11.5: 1

[注意]

*Crankcase boring may be required.
*Crankcase modification (cutting of connecting rod interference area) may be required.
*To increase power and torque, the maximum speed can be increased by increasing the front sprocket by 1 to 2 tons or the rear sprocket by 3 to 5 tons, and by using a longer gear ratio.
*Kitaco's big carburetor kit, exhaust, etc. are available to further improve the performance of the big bore.
*ULTRA-SE Big Bore Kit 143cc and 160cc are for competition use only since they exceed 125cc.

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