Yamaha XV16ALC (1998) [241/449] Rocker arms push rods and valve lifters

5 - 21

ENG

ROCKER ARMS, PUSH RODS AND VALVE LIFTERS

3. Measure:

• valve lifter outside diameter

Out of specification

→ Replace.

Valve lifter case outside diameter

22.9680 ~ 22.9744 mm

(0.9043 ~ 0.9045 in)

4. Measure:

• valve lifter case inside diameter

Out of specification

→ Replace.

Valve lifter case inside diameter

22.990 ~ 23.010 mm

(0.9051 ~ 0.9059 in)

5. Calculate:

• valve lifter-to-valve lifter case clearance

NOTE:

Calculate the clearance by subtracting the

valve lifter case outside diameter.

Above 0.072 mm (0.0028 in)

→ Replace

the defective part(s)

Valve lifter-to-valve lifter case

clearance

0.0156 ~ 0.042 mm

(0.0006 ~ 0.0017 in)

BLEEDING A VALVE LIFTER

A valve lifter must be bled in the following

cases.

• When installing a new valve lifter

• When the valve lifter leaks oil