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Diaphragm clutch mechanism - Ø 181mm - R4 / R12 / R15 / A110.V85

Reference:
6131
    • Mounting screw spacing: 55mm

Suitable for:

    • R4
    • R12 / R15
    • Alpine A110 V85
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€52.00 (tax incl.)
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Product Details
6131
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  • Important: The release bearing clamping screw must be placed on the side opposite the fork
  • It is possible to keep the release bearing and replace only the graphite ring if worn.
  • Depending on the diameter of the return spring, it may be necessary to re-drill the release bearing mounting.
  • It is recommended to soak the release bearing in warm engine oil and then wipe it dry before installation to avoid squeaking noises
Reference: 4106
€38.00 (tax incl.)
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Out of stock

For 956cc (Type C1C-08 and 689-10) high compression engine (Compression ratio 9.25:1)

Suitable for:

  • R4
  • R5: TL / Company (After 1972)

The kits are supplied with the following:

  • Crankcases (x4)
  • Pistons (x4)
  • Rings (x12)
  • Crankpins (x4)

Dimensions of the various parts

    • Cylinder bore diameter: Ø 65mm
    • Cylinder flange or top diameter (D): Ø 85.80mm
    • Cylinder base diameter (A): Ø 75.50mm
    • Cylinder height (including skirts, overall) (C): 135mm
    • Height from the top of the cylinder to the base gasket area (E): 94.85mm
    • Shaft dimensions: Ø 18x57mm (Circlip-free mounting) 
    • Segment thickness :1.75mm / 2mm / 3.5mm(Fireproof/Sealing/Scraper)
    • Base gasket type: Paper gasket

Piston mounting direction: An arrow drawn perpendicular to the piston axis is marked on the top of the piston. It must be oriented in the direction of engine rotation during the connecting rod's downward stroke (see manufacturer's instructions or diagram).

It is essential to check the ring end gap of each piston ring before installing them on the pistons, according to the values ​​specified by the manufacturer or given in the supplied instructions.

During installation, the ring end gap must be evenly distributed around the piston circumference at 120° intervals.

Reference: 4L-010
€449.00 (tax incl.)
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