Checking The Valve Clearance - Yamaha F100C Service Manual

Checking the valve clearance

1. Remove the flywheel magnet cover 1,
cover 2, disconnect the high-tension
cords 3 and fuel hoses 4, and then
remove the spark plugs.
2. Turn the flywheel magnet clockwise and
align the TDC mark a on the flywheel
magnet with the pointer b, and check
that " " marks c and d on the driven
sprockets are aligned.
CAUTION:
Do not turn the flywheel magnet counter-
clockwise, otherwise the valve system
may be damaged.
60C5D11
3. Loosen the tensioner bolt 5, and then
remove the timing belt 6, driven sprock-
ets 7, and cylinder head cover 8.
S60C3220
4. Install the driven sprockets 7 and timing
belt 6, and then tighten the tensioner
bolt 5.
S60C3120
5. Check the intake valve clearance for cyl-
inders #1 and #2, and the exhaust valve
clearance for cylinders #1 and #3. Adjust
if out of specification.
Power unit
1
2
3
4
S60C3230
5
6
7
8
S60C3240
9
5-6