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The machined insert that forms the combustion chamber in a two-piece head: it sets the engine’s compression.
VHM offers this cylinder head insert for SUZUKI RM 125 2001-2002. On a two-piece head, the insert (the "dome") forms the combustion chamber. Its volume and shape set the compression and the character of the engine.
The benefits:
Signs of detonation, leaking O-rings or the wish to change the compression: the insert can be swapped in minutes, with new O-rings.
Cross-Mania tip: Fit new O-rings, tighten in a cross pattern to the specified torque and, with a higher-compression insert, use high-octane fuel.
Check the exact model and year of your bike in the list below before ordering.
Click on your bike to see all compatible parts.
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