Set of crankshaft bearings Ø 54.55mm (Large bearings) - Repair dimension (+0.25)

Thickness: 1.60mm

Same: 4Cv headlight

The position of the groove for securing the half-moons must be checked.

There are two mounting types for intake valves (see diagram): a square groove (BK type) and a round groove (KK type).

• Valve angle: 45°
• Keeper type (Collet): KK (x1 Round groove)
• Renault / Alpine OE Ref: 7700509771 / 7700561319 / 7701458180 / 7701458186

Suitable for:

• R4: 852cc and 1108cc engines (Cléon engine)
• Rodéo
• R5 (GTL / GTS / TL): 1108cc engine
• R8 and R8 Major (3rd mounting type): 688-02 / 688-06 / 688-09 engines
• Estafette: 1289cc engine (Type 810)
• R12 (L / TL / TS) and R15 (TL and GTL): 1289cc engine (Type 810)
• Super 5: C1E and C1C engines
• Clio 1: C1G and C3G engines
• Twingo: C3G engine
• Alpine GT4: 1289cc engine (Type 810)
• Alpine A110 V85 : 1289cm³ engine (Type 810)

The sets are supplied with the following components:

• Liners (x4)
• Pistons (x4)
• Rings (x12)
• Panels (x4)

Dimensions of the different parts:

• • Liner bore diameter: Ø 76mm
  • Liner flange or top diameter (D): Ø 90.10mm
  • Liner base diameter (A): Ø 80.60mm
  • Overall height including skirts of cylinder liners (C):134mm
  • Height from top of cylinder liner to base gasket surface (E): 95mm
  • Shaft dimensions: Ø 20x62mm (Cirlip-free mounting)
  • Ring thickness:1.75mm / 2mm / 4mm (Fireproof/Sealing/Scraper)
  • Base gasket type: O-ring

Piston mounting direction: an arrow drawn perpendicular to the piston axis on 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 ​​given by the manufacturer or in the supplied instructions.

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