Valve Clearance Adjustment - Yamaha EF2800i Service Manual

VALVE CLEARANCE ADJUSTMENT

SVU2160
SVU2170
SVU2180
2-8
VALVE CLEARANCE ADJUSTMENT
1. Remove:
• Breather hose 1
• Spark plug cap 2
• Cylinder head cover 3
• Spark plug 4
2. Gently operate the starter rope to bring
the piston to the top-dead-center of its
compression stroke (when the screw-
driver inserted into the spark plug hole
reaches the highest position).
3. Measure:
• Valve clearance
Out of specification → Adjust.
NOTE:
Valve clearance must be measured when the
engine is cool to the touch.
Intake Valve (cold)
0.1 mm (0.004 in)
Exhaust Valve (cold)
0.1 mm (0.004 in)
Thickness gauge:
YU-26900-9, 90890-03079
INSP
ADJ