TM RACING MX 85 1999 — 6 compatible parts

The part that closes the top of the cylinder and forms the chamber where the mixture ignites.

The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression. Available in several combustion-chamber volumes.

The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression.

The O-rings that seal a two-piece VHM cylinder head, to be replaced every time it is taken apart.

The O-rings that seal a two-piece VHM cylinder head, to be replaced every time it is taken apart.

The connecting rod links the piston to the crankshaft: this kit replaces it with its crank pin and bearing for a bottom-end rebuild.