Service manual

b. Checkup and Adjustment for Every 30 - 50 Hours (Every 10 Days)
1. Air cleaner
Remove cover of air cleaner and cleaner filter inside with gasoline.
After wringing, fit it to air cleaner.
2. Spark plug
If spark plug is damaged or becomes dirty, clean it well with gasoline or sand it with sandpaper so as to adjust
spark gap to
0.6 - 0.7 mm.
0.6 - 0.7 mm
(0.024 - 0.028”)
c. Checkup and Adjustment for Every 100 - 200 Hours (Monthly)
1. Cleaning and adjustment of carburetor
Clean diaphragm, throttle, etc. of carburetor with gasoline.
Refer to description on idling adjustment and fuel adjustment.
2. Fuel tank filter
Clean dust or dirt inside fuel tank with gasoline.
Clean tank inside. Replace filter
if filter screen inside felt is clogged.
3. Muffler
Remove muffler. Remove carbon adhering to muffler, cylinder exhaust port and tail pipe.
4. Clutch shoe
Remove clutch bolt and detach clutch shoe from holder.
Apply grease to inside of shoe-mounting hole and clutch bolt and mount them.
5. Replacement
1) Replace cleaner element.
2) Replace spark plug.
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