Motorcycle Engine Parts

67.50mm Piston Kit

Bore size 67.50mm. Gudgeon pin outer diameter 16mm. Crown height 22.5mm. Piston length 63.5mm. Ring peg position 25.5mm. 2 stroke. With port...

50.50mm Piston Rings - 009333

Outer diameter 50.50mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

TourMax 25.00mm x 2.55mm Tappet Engine Valve Shim

Outer diameter 25.00mm. Thickness 2.55mm. Made in Japan.

9.48mm x 1.75mm Tappet Engine Valve Shims (x5)

Outer diameter 9.48mm. Thickness 1.75mm.

57.50mm Piston Rings - 009438

Outer diameter 57.50mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

39.50mm Piston Kit - 008666

Bore size 39.50mm. Gudgeon pin outer diameter 13mm. Crown height 11mm. Piston length 44mm. 4 stroke. Without ports. Prior to installing a ne...

50.5mm Barrel & Piston Kit

Includes top end gaskets.

Con Rod Kit - 008390

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

Barrel & Piston Kit

Includes top end gaskets.

65.50mm Piston Rings

Outer diameter 65.50mm. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the original OEM stan...

TourMax SC0412H/82RH2015 x 140 Timing Cam Chain (Includes Link)

Includes link. Endless cam chain. Length: 140 links. Pitch: 6.35mm. Width between guides: 7.15mm. Overall width: 10.3mm. Made in Japan. Fitt...

40.00mm Piston Kit - 008687

Bore size 40.00mm. Gudgeon pin outer diameter 13mm. Crown height 11mm. Piston length 44mm. 4 stroke. Without ports. Prior to installing a ne...

25.00mm x 2.90mm Tappet Engine Valve Shims (x5)

Outer diameter 25.00mm. Thickness 2.90mm.

39.50mm Piston Kit - 008665

Bore size 39.50mm. Gudgeon pin outer diameter 12mm. Crown height 23mm. Piston length 52mm. Ring peg position 19.5mm. 2 stroke. With ports. P...

52.4mm Barrel & Piston Kit - 008115

TourMax 92RH-2010-052 Timing Cam Chain

Endless cam chain. Length: 52 links. Made in Japan. Fitting Endless Cam Chains – Important Installation Note. Our cam chains are supplied ...

39.50mm Piston Rings - 009214

Outer diameter 39.50mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

50.00mm Piston Kit - 008867

Bore size 50.00mm. Gudgeon pin outer diameter 12mm. Crown height 22mm. Piston length 57mm. Ring peg position 28mm. 2 stroke. Without ports. ...

64.50mm Piston Rings - 009455

Outer diameter 64.50mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

25.00mm x 2.65mm Tappet Engine Valve Shims (x5)

Outer diameter 25.00mm. Thickness 2.65mm.

47mm Barrel & Piston Kit - 008109

Includes the cylinder head and top end gaskets. Approx 65cc.

Con Rod Kit - 008387

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

Con Rod Kit - 008462

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

56.50mm Piston Rings - 009413

Outer diameter 56.50mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

66.00mm Piston Kit - 009147

Bore size 66.00mm. Gudgeon pin outer diameter 16mm. Crown height 22.5mm. Piston length 63.5mm. Ring peg position 25.5mm. 2 stroke. With port...

9.48mm x 1.85mm Tappet Engine Valve Shims (x5)

Outer diameter 9.48mm. Thickness 1.85mm.

TourMax 25H x 86 Timing Cam Chain (Includes Link)

Includes link. Endless cam chain. Length: 86 links. Pitch: 6.35mm. Roller width: 3.18mm. Overall width: 16.6mm. Made in Japan. Fitting Endle...

40.00mm Piston Rings - 009229

Outer diameter 40.00mm. 2 stroke. Note: If ordering STANDARD rings these will only fit pistons supplied by us. They will not fit the origina...

Con Rod Kit - 008415

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

67.00mm Piston Kit

Bore size 67.00mm. Gudgeon pin outer diameter 16mm. Crown height 22.5mm. Piston length 63.5mm. Ring peg position 25.5mm. 2 stroke. With port...