Honda EM3500X Owner's Manual page 34

Spark PLg Service _
Recommended spark plug: BPR-5ES
(NGK)
WlGEPR-U (ND)
To ensure proper engine operation, the spark plug must be properly gapped
and free of deposits.
P
j-1 If the engine has been running, the muffler will be very hot.
Be
careful not to touch the muffler.
F
1. Remove the spark plug cap.
'
2. Clean any dirt from around the spark plug base.
3. Use the wrench supplied in the tool kit to remove the spark plug.
J
PLUG
CAP
4. Visually inspect the spark plug. Discard it if the insulator is cracked or
chipped. Clean the spark plug with a wire brush if it is to be reused.
5. Measure the plug gap with a feeler gauge. The gap should be 0.7-0.8 mm
(0.028-0.031 in).
4
0.7-0.8 mm
(0.028-0.031 in)
32