CAMSHAFT, ROCKER ARMS AND VALVES

ENG

12.Measure:

Spring tilt a

Out of specification Replace.

Spring tilt limit: Inner:

2.5°/1.6 mm (0.06 in) Outer:

2.5°/1.6 mm (0.06 in)

INSTALLING THE VALVES AND VALVE SPRINGS

1.Apply:

Molybdenum disulfide oil

(onto the valve stem and valve stem seal)

2.Install:

Valve spring seat

Valve stem seal New

Valve

Valve springs (inner and outer)

Valve spring retainer

NOTE:

Install the valve springs with the larger pitch a facing upwards.

b Smaller pitch

3.Install:

Valve cotters

NOTE:

Install the valve cotters while compressing the valve springs with the valve spring compressor 1.

Valve spring compressor:

P/N. YM-04019, 90890-04019

4.To secure the valve cotters onto the valve stem, lightly tap the valve tip with a piece of wood.

CAUTION:

Hitting the valve tip with excessive force could damage the valve.

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Image 148
Yamaha LIT-11616-16-02, 5TE-F8197-10 Spring tilt limit Inner 1.6 mm 0.06 in Outer, Installing the Valves and Valve Springs