15C 20C MFS - Tohatsu

INSPECTION AND MAINTENANCE 53Replacing the spark plugs! WARNINGDo not reuse spark plug with damagedinsulation, or sparks can leakthrough crack, potentially leading toelectric shock, explosion and/or fire.Do not touch spark plugs immediatelyafter stopping engine as they willl behot and could cause severe burns iftouched. Allow motor to cool downfirst.1 Stop the engine.2 Remove the top cowl.3 Remove the spark plug caps.4 Remove the spark plugs by turningit counter-clockwise, using a 5/8"socket wrench and handle.5 Attach spark plug and tighten tospecified torque.Use spark plug NGK DCPR-6E.If the spark plug(s) is fouled, hascarbon build up, or is worn, it shouldbe replaced.When reusing spark plugs, removedirt from the electrodes and adjustspark gap to specification.NotesWhen inspecting the plug, alwaysclean the gasket surface and use anew gasket. Wipe off any dirt from thethreads and screw in the spark plugto the correct torque.ElectrodeNotesSpark gap(0.8 to 0.9 mm, 0.031 to 0.035 in)◎ Spark plug torque :18.0Nm(13.3ft-lb)(1.8kgf-m)If a torque-wrench is not availablewhen you are fitting a spark plug, agood estimate of the correct torqueis 1/4 to 1/2 a turn past finger-tight.Have the spark plug adjusted to thecorrect torque as soon as possiblewith a torque-wrench.10