Spark plug
service Recommended spark plug ; BPRSES (NGK) WlGEPR-U (ND)
CAUTION : Never use a spark plug of incorrect heat range.
lo ensure proper engine operation, the spark plug must be properly gapped and free
of deposits.
1. Remove the spark plug cap, and use a spark plug wrench to remove the plug.
lzmu!Q If the engine has been running, the muffler will be very hot. Be careful
not to touch the muffler. PLUG WRENCH
2. 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.
3. Measure the plug gap with a feeler gauge. The gap should be O-7-0.8 mm (0.028
-0.031 in)
0.7-0.8mm
(0.628-0.031 in)
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