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Service and Maintenance
3-4
3-4
(1) TIMING HOLE CAP/O-RING
Valve Clearance
Inspection
Inspect and adjust the valve clearance while the engine is
cold (below 35 ÝC/95 ÝF).
Remove the fuel tank/injector assembly.
Remove the bolts and tappet adjusting hole covers from
the cylinder head cover.
Remove the timing hole cap and O-ring.
(1) BOLTS
(2) TAPPET ADJUSTING HOLE COVER
(1) SPARK PLUG GAP
Flash Over
If engine misfire occurs due to arcing, replace both the
spark plug and the cap.
Spark Plug Cap
Remove the spark plug cap from the spark plug.
Clean the inside of the plug cap with electrical contact
cleaner to prevent misfire.
(1) INSULATOR
Spark Plug
Using a spark plug with the wrong heat range can damage
the engine or cause the plugs to foul. Be careful to select
the correct spark plug for the conditions.
Standard plug: NGK: CR6EH-9
Plug Gap
Remove the spark plug and measure the spark plug gap.
Standard: 0.8 – 0.9 mm (0.031 – 0.035 in)
Replace the spark plug if the spark plug gap is out of
specification.
Install and tighten the spark plug.
Torque: 16 N•m (1.6 kgf•m, 12 lbf•ft)
(1) SPARK PLUG CAP/SPARK PLUG
1
1
1
1
1
2
1
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