Product Manual

Maintenance & Repair (cont’d)

b) Slide the handlebar 3 through the hole in the spark plug

wrench 4 and turn it counter clockwise to remove the spark

plug.

c) Check for discoloration and remove any carbon build up. The

porcelain insulator around the center electrode of the spark

plug should be a medium-to-light tan color.

d) Check the spark plug type and gap a. The gap should be

measured with a wire thickness gauge.

e) Install the spark plug. Torque specification is 14.8 ft. lbs. If a

torque wrench is not available, a good estimate of the correct

torque is 1/4-1/2 turn past finger tight.

f) Install the spark plug cap and access cover.

Standard Spark Plug:

E6TC/E6RTC (BOSCH)

BP7HS / BPR7HS (NGK)

L87YC /R L87YC (CHAMPION)

W16FP / W16FPR (DENSO)

If need EMC Certification, engine must

use E6RTC or BPR7HS spark plug

Spark Plug Gap:

0.6-0.7mm (0.024-0.028in)