PERIODIC MAINTENANCE 2-13
IDLE SPEED
Checking
1. Check throttle link mechanism and carburetor throttle valve
for smooth operation.
2. Attach engine tachometer cord to the ignition coil high-ten-
sion cord.
09900-26006: Engine tachometer
3. Start engine and allow to warm up.
NOTE:
Check and/or adjust the idle speed after the engine speed has
stabilized.
4. Check engine idle speed.
Idle speed (in neutral gear): 850 – 950 r/min
Adjustment
If engine idle speed is out of specification, adjust engine speed
as follows:
Turn the throttle stop screw 1.
• Turning clockwise: The engine speed becomes higher.
• Turning counterclockwise: The engine speed becomes lower.
CARBURETOR
If crack or other damage is found on carburetor body, lever, rod,
connector, inlet manifold or silencer, replace.
Inspect initially after 20 hours (1 month) and every
200 hours (12 months).
Inspect initially after 20 hours (1 month) and every
100 hours (6 months).
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