Cylinder Head Installation - Yamaha Waverunner VXS VX1800 Service Manual

3. Compress the valve spring, and then in-
stall the valve cotters "1".
4. Tap the valve spring retainer lightly using a
plastic hammer to seat the valve cotters
"1" securely.
1
5. Install the valve pads "1" and valve lifters
"2" in their original positions.
1
1
1
2

Cylinder head installation

1. Install the dowel pins "1", a new gasket "2",
the cylinder head ASSY "3", the washers
"4", and the cylinder head bolts "5", and
then tighten the cylinder head bolts "5" to
the specified torques in 2 stages and in the
order [1], [2], and so on.
2. Install the cylinder head bolts "6", and then
tighten them to the specified torque.
6
1
[10]
6
[9]
Cylinder head bolt "5" (M12)
1st: 55 Nm (5.5 kgf·m, 40.6 ft·lb)
2nd: 90°
Cylinder head bolt "6" (M6)
10 Nm (1.0 kgf·m, 7.4 ft·lb)
5-54
Valve and valve spring
5
1
5
5
[6] [2] [3]
[5] [1] [4]
5 5
4
3
2
5
[7]
[8]
5