Motorcycle Engine Parts

40.25mm Piston Kit

Bore size 40.25mm. Gudgeon pin outer diameter 10mm. Crown height 20.5mm. Piston length 48mm. Ring peg position 22mm. 2 stroke. With ports. P...

Cylinder Head - 008607

Suitable for Minarelli liquid cooled lay down engines.

72mm x 5.45mm x 30mm Exhaust Valve

Length 72mm. Thickness 5.45mm. Valve head 30mm.

18mm x 1mm Piston Circlips

Cylinder Head - 008599

40mm Barrel & Piston Kit - 008069

Includes top end gaskets.

21.5mm x 7.5mm x 10mm Cylinder Head Rubber Yamaha 2GH-1111G-00-00 90480-12365/12446-00

Cylinder head to rocker box mounting rubber. Outer diameter 21.5mm. Inner diameter 7.5mm. Thickness 10mm. Replacement aftermarket part for Y...

8mm x 1mm Piston Circlips

Crankshaft - 008548

57.50mm Piston Rings - 009436

Outer diameter 57.50mm. 4 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

Starter Clutch Suzuki 12600-05872

Replacement aftermarket part for Suzuki OEM 12600-05872.

Con Rod Kit - 008396

This kit includes the following parts: Con rod. Gudgeon pin. Big end and small end needle bearings.

41.00mm Piston Kit - 008725

Bore size 41.00mm. Gudgeon pin outer diameter 12mm. Crown height 16mm. Piston length 45mm. Ring peg position 19.5mm. 2 stroke. Without ports...

40.50mm Piston Kit - 008705

Bore size 40.50mm. Gudgeon pin outer diameter 12mm. Crown height 16mm. Piston length 45mm. Ring peg position 19.5mm. 2 stroke. Without ports...

9.50mm x 1.40mm Tappet Engine Valve Shims (x5)

Outer diameter 9.50mm. Thickness 1.40mm.

Con Rod Kit - 008408

This kit includes the following parts: Con rod. Gudgeon pin. Big end needle bearing. Dimensions: Length from beginning of big end pin to lit...

TourMax SC0412H/82RH2015 x 146 Timing Cam Chain (Includes Link)

Includes link. Endless cam chain. Length: 146 links. Pitch: 6.35mm. Width between guides: 7.15mm. Overall width: 10.3mm. Made in Japan. Fitt...

Crankshaft Yamaha 4FU-11400-00

Replacement aftermarket part for Yamaha OEM 4FU-11400-00.

56.00mm Piston Rings - 009404

Outer diameter 56.00mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

Cylinder Head Nut

40mm Barrel & Piston Kit - 008061

Includes top end gaskets.

Cylinder Head - 008622

40.00mm Piston Kit - 008686

Bore size 40.00mm. Gudgeon pin outer diameter 12mm. Crown height 16mm. Piston length 45mm. Ring peg position 19.5mm. 2 stroke. Without ports...

Con Rod Kit - 008410

This kit includes the following parts: Con rod. Gudgeon pin. Big end needle bearing.

Crankshaft - 008536

50mm x 30mm x 1mm Crank Thrust Washer

Outer diameter 50mm. Inner diameter 30mm. Thickness 1mm. Material: Alloy.

56.50mm Piston Rings - 009412

Outer diameter 56.50mm. 4 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

Crankshaft - 008557

TourMax Cylinder Head Mounting Rubbers Honda 90543-ML4-610 (x4)

Made in Japan. Replacement aftermarket part for Honda OEM 90543-MV9-670, 90453-MV9-670, 90401-KWW-C00, 90543-GFC-950, 90543-KRM-840, 90543-K...

Cylinder Head - 008612

Pointed type cylinder head.