Checking The Timing Belt And Sprocket; Installing The Sprocket And Timing Belt - Yamaha F50D Servise Manual

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Checking the timing belt and sprocket

1. Check the interior and exterior of the tim-
ing belt for cracks, damage, or wear.
2. Check the drive sprocket 1 and driven
sprocket 2 for cracks, damage, or wear.
2
1
0
q
q
e
Installing the sprocket and timing
belt
1. Check that the "1" mark a on the driven
sprocket 1 is aligned with the "▲" mark
b on the cylinder head, and then tighten
the bolt 2 temporarily.
a
1
2. Install the retaining plate 3, Woodruff
key 4, drive sprocket 5, retaining plate
3, and nut 6.
6 3
5
3
3. Align the "●" mark c on the retaining
plate with the "▲" mark d on the cylinder
block.
Timing belt
0
1
b
2
2
3
4
5
6
3
6
5
3
7
4
8
9
10
A
7-20