8-D SPARK PLUG
Standard spark plug: 50/100cc: champion L82YC/NGK BPR7HS or equivalent
1. Disconnect the spark plug cap.
2. Clean up dirt from around the spark plug base.
3. Remove the spark plug.
4. Inspect the plug electrodes for wear. If the electrodes and insulator tip appear usually
fouled or burned, change a new one. Discard the spark plug if there is apparent wear of
if the insulator is cracked or chipped.
5. The spark plug gap shall kept in 0.6-0.7mm ( 0.24”-.028”). if adjustment is necessary,
bend the side electrode carefully.
6. Install the spark plug, screw it in finger tight and then tighten with the plug wrench another
½ turn to compress the washer.
SPARK PLUG.
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