TECHNICAL & CONSUMER INFORMATION
GX240/GX270/GX340/GX390 Tuneup
ITEM
Spark plug gap
Idle speed
Valve clearance
Other specifications
SPECIFICATION
0.028 0.031 in
(0.70 0.80 mm)
1,400
150 rpm
IN:
0.15
0.02 mm
EX:
0.20
0.02 mm
No other adjustments needed.
MAINTENANCE
Refer to page: 37
Refer to page: 38
(cold)
See your authorized
(cold)
Honda dealer
57