PERIODIC MAINTENANCE 2-11
IDLE SPEED
CHECKING
1. Check the link mechanism and the carburetor throttle valves
for smooth operation.
2. Remove the motor cover.
3. Tie a knot in the rope inside of the motor cover, in order to
prevent the rope binding onto the recoil reel when the starter
grip is off.
4. Remove the knot from the grip holder 1. Remove the grip
holder 1 and the starter grip 2.
Completely remove the motor cover.
5. Install the starter grip and the holder to the end of the rope.
6. Loosen the knot previously tied in the rope.
7. Attach the tachometer cord to the spark plug high-tension
cord.
09900-26006: Engine tachometer
8. Start the engine.
9. Warm-up the engine for about 5 minutes.
10. Make sure the engine is in “NEUTRAL” and the throttle is
fully closed.
11. Check the idle speed.
Idle speed (in neutral): 1 800 – 2 000 r/min
Inspect initially after 20 hours (1 month) and every 200
hours (12 months) thereafter.
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