Disassembling The Cylinder Head - Yamaha F30B 2018 Service Manual

Disassembling the cylinder head

1. Remove:
• Cylinder head anode "1"
• Spark plug "2"
• Engine hanger "3"
2. Loosen:
• Rocker arm shaft bolt "1"
TIP:
Gradually loosen the rocker arm shaft bolts in
several stages and in the order [1], [2], and so
on.
[3]
[2]
[4]
[1]
1
3
2
1
7-31
3. Remove:
• Rocker arm shaft bolt "1"
• Washer "2"
• Stopper "3"
• Tensioner "4"
• Washer "5"
• Rocker arm "6"
• Rocker arm "7"
TIP:
Make sure to keep the parts in the order of re-
moval.
1
3
4
1
2
6
6
5
5
4. Remove:
• Retaining bolt "1"
• Camshaft "2"
• Oil seal "3"
1
3
Camshaft and valve
1
3
4
1
2
5
6
7
2
5