Timing kit with chain, x2 sprockets, cork crankcase gasket & oil seal

• R4 (Cleon Engine): All models

• A spring, supported within the cylinder casing, applies the chain tensioner to the chain.
• Suitable for 810, 840, 845 and C1J engines

Inlet and outlet Ø 6-8mm

The kits are supplied with the following components:

• Cylinder Heads (x4)
• Domed Pistons (x4)
• Rings (x12)
• Pin (x4)
• Circle Clips (x8)

Dimensions of the various parts:

• Cylinder Head Bore Diameter: Ø 74.5mm
• Cylinder Head Flange or Top Diameter (D): Ø 89.75mm
• Cylinder Head Base Diameter (A): Ø 80mm
• Overall height including skirts of the sleeves (C): 128mm
• Height from the top of the sleeve to the base gasket area (E): 84.80mm
• Shaft dimensions: Ø 20x63.5mm (Cirlip-free mounting)
• Segment thickness: 1.75mm / 2mm / 4mm (Fireproof/Sealing/Scraper)
• Base gasket type: Paper gasket

Piston mounting direction: an arrow drawn perpendicular to the piston axis is shown 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 ​​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.