PB-251
49
MAINTENANCE GUIDE
8-1 Service intervals
Intervals
Check point Service Reference
3 months 6 months
Daily or or
100 hours 300 hours
Screws, bolts, and nuts Inspect / Retighten / Replace
Air filter Clean 5-1
Inspect / Replace 5-1
Carburetor Inspect / Replace 5-6, 5-10, 5-11
Fuel leaks Inspect / Repair 5-2, 5-3 *
Fuel line Inspect / Repair 5-4
Choke system Inspect / Clean / Replace
Cooling system Inspect / Clean 7-2
Spark plug Clean / Regap 3-3
Inspect / Replace 3-3
Fuel strainer Clean / Replace 5-2
Leads and connections Inspect / Repair 3-6, 3-7, 4-2
Fuel tank Clean inside.
Muffler and exhaust port Clean 7-3
Starter rope Inspect / Clean 2-1, 2-3, 2-4
Daily: Checking in every services.
IMPORTANT: Service intervals shown above are maximum. Actual use and your experience will determine
the frequency of required maintenance.
* Inspect after every refuel.
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