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- Upgrades to 70cc
- Ships from Factory with Ring Installed on Piston
- Cylinder Bore: 47mm
- Cylinder Sleeve Outer Diameter: 50.8mm
- Wrist Pin Diameter: 10mm
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- Upgrades to 68cc
- Cylinder Bore: 47mm
- Cylinder Sleeve Outer Diameter: 50mm
- Wrist Pin Diameter: 10mm
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- Upgrades to 64cc
- Ships from Factory with Ring Installed on Piston
- Cylinder Bore: 43.5mm
- Cylinder Sleeve Outer Diameter: 48mm
- Wrist Pin Diameter: 12mm
- Inner Diameter of Intake: 14.5mm
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- Head Pipe Bolt Hole Spacing: 48mm
- Head Pipe Inner Diameter with Restrictor Removed: 25mm
- Includes Mounting Bracket, Hardware and Exhaust Gasket
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- Upgrades to 70cc
- Ships from Factory with Ring Installed on Piston
- Cylinder Bore: 47mm
- Cylinder Sleeve Outer Diameter: 51mm
- Wrist Pin Diameter: 10mm
- 88 Main Jet
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- Outer Diameter: 137mm
- Inner Diameter: 125mm
- Number of Splines: 19
- Weight: 766 grams
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- Inner Diameter 46mm
- Length With Cover Installed: 98mm (3.75 inches)
- Includes Clamp
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- Recommended For Use With A Big Bore Kit
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- Recommended For Use With A Big Bore Kit
- Requires Coarse Thread 10×1.25mm nut (not included)
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- Includes: Variator, Ramp Plate, Slides, Variator Boss, 20×17 Roller Weights in 9g and A Clutch Torque Spring.
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- 15% Stiffer Than Stock
- Made in Italy
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- Fits 107mm Clutch Bell
- Adjustable Clutch Plates
- Includes 2 Sets of Springs
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- Includes: Variator, Ramp Plate, Slides, Variator Boss and Roller Weights in 6.9g.
- Made in Italy!
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- Includes: Variator, Ramp Plate, Slides, Variator Boss, Roller Weights in 9.2g and A Clutch Torque Spring.
- Uses 20×12 Variator Weights
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- Outer Diameter: 120mm
- Adjustable Clutch Springs
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- Outer Diameter: 118mm
- Non-Adjustable