Detonation - BOMBARDIER 1996 Ski-doo MX Z440 Handbook

Section 04
ENGINE PREPARATION

DETONATION

In detonation, the spark plug initiates b~
manner but as combustion continues,
unburnt air /fuel mixture.
This unburnt mixture temperature becomes so high that it burns spontaneously creating high-
velocity pressure waves within the combustion cha-mber.
F01D5GS
04-10
rning and the air/fuel mixture starts to burn in the usual
the heat generated affects the large portion of the yet
Spark occurs
as piston
Dead Center