Removing The Timing Belt And Sprockets - Yamaha F100C Service Manual

POWR
Removing the timing belt and
sprockets
1. Set the cylinder #1 piston position to
TDC of the compression stroke by align-
ing " " marks a and b on the driven
sprockets, and the hole c on the retain-
ing plate with the notch d on the cylinder
block.
CAUTION:
Do not turn the drive sprocket counter-
clockwise, otherwise the valve system
may be damaged.
2. Loosen the drive sprocket nut 1.
5-17
Power unit
S60C5160
S60C5170
NOTE:
• Use a deep socket 2 (M46) for this proce-
dure.
• Do not turn the camshaft when loosening
the drive sprocket nut.
Crankshaft holder 20 3:
90890-06552
3. Disconnect the cooling water hose 4.
4. Remove the bracket 5, spring 6, ten-
sioner 7, and timing belt 8 from the
driven sprocket side.
5. Loosen the driven sprocket bolts 9 and
remove the driven sprockets 0.
S60C5180
S60C5190
60C5D11