Set 4 pistons and 4 cylinder liners Ø65mm with rings and wrist pins (Ø18x57x11mm)-956cc engine (Type C1C-08/689-10) - R4/R5 TL

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.