Owner`s manual

Raider Max 175 (single-seat & double-seat): Owners Manual EEC Version:1.0 Sep. 2004
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If possible, check the spark plug gap (area between the electrodes) with a wire feeler gauge. This
specification is 0.6-0.7mm.
b. Before installing the spark plug, coat the threads lightly with the graphite grease if possible, to ensure the
easy removal next time when the spark plug needs inspection;
c. It is advisable to replace the spark plug at least once a year to insure the easy starting and good engine
performance.
C. Carburetor Adjustment
Never make unnecessary adjustments. The manufacturer recommended
settings are correct for most applications. It's not necessary to disassemble
the screw unless the carburetor needs to be replaced. Prepare a 50r/w
tachometer before the adjustment.
a. Warm up the engine for about 5~10 minutes;
b. Tighten the airscrew gently and back out 2-3/8 turns anticlockwise;
c. Connect the tachometer, and adjust the throttle to limit the idle speed (the standard value is 1700 RPM);
d. Slowly turn the airscrew anticlockwise; observe the RPM of the engine, and stop the adjusting as the RPM