QUICK REFERENCE
HHE31C
Fuel
Type
Unleaded gasoline with pump octane rating of 86 or higher
(page 25)
Capacity
22.0 fl oz/0.69 US qt (650 cc)
Engine oil
Type
SAE 10W-30, API SH or SJ (page 21)
Capacity
3.38 fl oz/0.11 US qt (100 cc)
Spark plug
Type
NGK: CR5HSB, DENSO: U16FSR-UB
Electrode gap
0.024 ~ 0.028 in (0.60 ~ 0.70 mm)
Carburetor
Idle speed
3,100 ± 200 rpm
Maintenance
Before each
use
Check engine oil (page 20)
Check air filter (page 21)
Check throttle cable (page 24)
Check blade and debris shield (page 27)
Check nuts, bolts, fasteners
First 10 hours
Change engine oil (page 20)
Subsequent
Refer to the MAINTENANCE SCHEDULE on page 19.