MAINTENANCE PERIOD
Check and replenish fuel
Check for fuel leakage
■
Check and clean fuel filter
Check and replenish oil
■
Check and clean oil filter
Check bolts, nuts and screws for tightness or missing
Tighten bolts and nuts
Check engine idle speed adjustment
Clean air filter element
■
■
Remove dust and dirt for cooling air intake
Clean spark plug and adjust electrode gap
●
Remove carbon deposits in exhaust port
Remove carbon deposits on piston head and combustion
●
chamber
●
Remove carbon deposits in transfer ports
●
Clean spark arrester
Replace fuel filter
Check chain brake
Check sprocket
Check and clean Guide bar
Check antivibration device ( rubber, spring )
Check chain catcher
Sharpening saw chain
Replace fuel tube, fuel tank cap gasket
● :Service to be performed by an authorized Maruyama engine dealer.
■ :Service more frequently under dusty conditions.
NOTE:
The service intervals indicated are to be used as a guide.
Service to be performed more frequently as necessary depending on operating condition.
Use Maruyama standard 50:1 two-cycle engine oil.
Maintenance
— US-45 —
Every
Before
Daily
25
use
hours
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
It is recommended to replace every 3 years
Every
Every
50
100
hours
hours
○
○
○
○