or high-temperature operation, or use in unusually wet or dusty conditions, will require
more frequent service.
Engine Tune-up
Spark plug gap
Valve clearance
Other specifications
CONSUMER INFORMATION
Publications
These publications will give you additional information for maintaining and repairing your
engine. You may order them from your engine dealer.
Parts Catalog
This manual provides complete, illustrated parts lists.
QUICK REFERENCE INFORMATION
Engine Oil
Spark Plug
Carburetor
Maintenance
TECHNICAL & CONSUMER INFORMATION
ITEM
Type
Capacity
Type
Gap
Idle speed
Each use
First 20 hours
Subsequent
SPECIFICATION
0.028-0.031 in
(0.70 mm -0.80 mm)
IN: 0.15 mm±0.02 mm (cold)
EX: 0.20 mm±0.02 mm (cold)
No other adjustments needed
SAE 10W-30,API SE or SF, for general use
G120F: 0.6 L G160/G200F(D):0.6 L
G240/G270F(D):1.1L
G340/G390/G420F(D):1.1 L
F7RTC or other
equivalents.
0.028-0.031 in (0.70 mm-0.80 mm)
1800
rpm±150 rpm
Check engine oil. Check air filter.
Change engine oil.
Refer to the maintenance
-31-