Open as PDF
MEASURING THE COMPRESSION PRESSURE
MEASURING THE COMPRESSION PRES-
Insufficient compression pressure will result in
a loss of performance.
Out of specification J Adjust
Refer to “ADJUSTING THE VALVE
2. Start the engine, warm it up for several min-
utes, and then turn it off.
8battery box cover
Refer to “COVER AND PANEL”.
8spark plug cap
Remove the spark plug cap, the engine is
Before removing the spark plug, use
compressed air to blow away any dirt
accumulated in the spark plug well to
prevent it from falling into the cylinder.
8compression gauge 1
Downloaded from www.ScooterTime.net