Tag: cause of detonation

Another great article on detonation and how to prevent it from Millennium Tehchnologies. The most common mode of failure for 2-stroke engines is detonation. We asked 3 time AMA pro mechanic of the year, multiple SX/MX championship winning crew chief, and Millennium Technologies Technical Manager, Tom Morgan to put together brief guide on two stroke…

Detonation — generally caused by fuel with a low octane rating — is the tendency for the fuel to pre-ignite or auto-ignite in an engine’s combustion chamber. This early (before the spark plug fires) ignition of fuel creates a shock wave throughout the cylinder as the burning and expanding fuel-air mixture collides with the piston…