Spark Plug

IGNITION TIMING:
Std model at 725+/-50 rpm 18°+/-2° BTDC (RED)
Si model at 750+/-50 rpm 18°+/-2° BTDC (RED)
HF model 49 ST at 600+/-50 rpm 14°+/-2° BTDC
CAL and HIALT model at 650+/-50 rpm 14°+/-2° BTDC


SPARK PLUG:
Gap 0.039-0.043 in. (1.0-1.1 mm)
Torque 13 ft. lbs.

FIRING ORDER 1 3 4 2