Tuneup - Honda HA4120H48A Owner's Manual

SPECIFICATIONS
MAINTENANCE
Fuel
Engine Oil
Spark Plug Type
Maximum Governed
Engine Speed
Blade Bolt Torque
Unleaded gasoline with a pump octane
rating of 86 or higher
SAE lOW-30; API SH, or SJ for general use
NGK: BPR5ES or ND: WlGEPRU
3,200 rpm f 150
38" deck: 55 ft-lb (75 N.m)
48" deck: 50 ft-lb (68 N.m)
TUNEUP
Spark Plug Gap
0.028 - 0.031 inch (0.7 - 0.8 mm)
Engine Idle (PTO OFF)
1400 * 150 rpm
Valve Clearance (cold) Intake: 0.13-0.17 mm
Exhaust: 0.18-0.22 mm
Other Specifications 1 No adjustments needed
MISCELLANEOUS SPECIFICATIONS
Minimum Uncut Grass 29.5 inches (750 mm) (38" deck)
Diameter (left turn) 20.5 inches (520 mm) (48" deck)
Minimum turning radius 20 inches (508 mm)
Cam disc
Battery
Fuse
Ul-L (12V/RC 38 min, CCA, 340A)
5 amps, blade type
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