12 GENERAL INFORMATION
Tune-up Specifications
ITEM
Ignition Timing
Spark Plugs:
Gap
Low Idle Speed
High Idle Speed
Valve Clearance
Other Specifications
NOTE
○
High and low idle speeds may vary depending on
the equipment on which the engine is used. Refer
to the equipment specification.
Specifications
Unadjustable
NGK BPR4ES
0.75 mm (0.030 in.)
1 550 r/min (rpm)
3 600 r/min (rpm)
IN 0.10 ~ 0.15 mm
(0.004 ~ 0.006 in.)
EX 0.10 ~ 0.15 mm
(0.004 ~ 0.006 in.)
No other adjustment
needed
Battery Capacity
WARNING
Prevent sparks and/or electrical system dam-
age by removing the negative (-) cable from
the battery before attempting any repair or
maintenance.
Battery Capacity Recommended
Minimum Recommended Battery Capacity
12 V 550 CCA Class