ENGINE
2.9
Changing the Timing curve
The second switch is located on the airbox and has seven optional curves. These seven options are used to match
the fuel type and the racing conditions which may vary, depending on the race. The standard position is “D” and
should not be moved unless you are a knowledgeable engine tuner.
Position
Timing Effect
A +3
B +2
C +1
D (Standard Position) 0
E -- 2
F -- 3
G -- 4
This engine is jetted for operation at 0 degrees _F and warmer. Re-jetting is required for temperatures colder than 0_F.
CAUTION
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