Muffler - Yamaha EF1000 Service Manual

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IANDSJP
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VALVE CLEARANCE ADJUSTMENT
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2-8
2. Decarbonize:
1) Tap on the muffler in the area shown in
the illustration.
CAUTION:
Don't use a wire to clean or the noise damp-
ing material may come out, reducing the
damping effect.
2) Shake out the loose carbon from car-
bon outlet
CD
of muffler.
VALVE CLEARANCE ADJUSTMENT
1. Remove:
•Body panel
•Air shroud
•Gasket
•Cylinder head cover
•Spark plug
2. Measure:
•Valve clearance
Out of specification---> Adjust.
Intake Valve
(Cold)
0.1 mm
(0.004 in)
Exhaust Valve
(Cold)
0.1 mm
(0.004 in)
NOTE: -------------------------
•Be sure piston is at Top Dead Center (TDC) on
compression stroke when measuring clearance.
•Valve clearance must be measured when the en-
gine is cool to the touch.