8.3 Spark plug maintenance.
Spark plug recommendation: TORCH E6RTC, NGK BPR6HS, CHAMPION
QL82YC, DENSO W20FPR-U.
1 Open the spark plug access rubber cap.
2 Unplug the spark plug pipette or cap by pulling outward.
2 Using the spark plug spanner, extract the spark plug by unscrewing it
from the engine (turn counter clockwise)
SPARK PLUG KEY
4 Inspect the spark plug visually. Replace with a
new one if the insulator is cracked or chipped.
Clean the electrode with a fine wire brush to
clean the filth deposits.
5 Measure the electrode distance with a gauge.
Normal value 0.6 - 0.7 mm. Adjust the opening
carefully if the value is not correct.
SPARK PLUG PIPETTE OR CAP
MAINTENANCE CAP
21
ELECTRODE