Royal Enfield Interceptor 650 2018, Owner'S Manual, Page: 69 / 141

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CLEANING SPARK PLUG AND ADJUSTING GAP
SPARK PLUG
n Disconnect spark plug caps from the spark plugs.
n Locate spark plug spanner on the spark plug, loosen spark plug and remove it from
cylinder head.
n
Check spark plug for carbon deposits and centre electrodes for uneven wear.
n Clean spark plug by positioning it in a spark plug cleaning machine.
MINOR MAINTENANCE TIPS
Gap 0.7 to 0.8 mm.
n
Remove spark plug from the cleaning machine, check and set electrode gap between 0.7 to 0.8 mm.
n Position spark plug in the spark plug testing machine and check for proper functioning of the spark plug.
n Always replace spark plugs ONLY as per recommended specification.
n Apply a thin film of “anti seize” on the spark plug mounting and threads fix the spark plug by hand tightening.
n Tighten spark plug to torque 10 to 15 Nm by using a spark plug spanner.