Checking The Valve Lifters - Yamaha FJR1300R Service Manual

VALVES AND VALVE SPRINGS
2. Measure:
• compressed valve spring force a
Out of specification → Replace the valve
spring.
b Installed length
3. Measure:
• valve spring tilt a
Out of specification → Replace the valve
spring.
EAS00242

CHECKING THE VALVE LIFTERS

The following procedure applies to all of the
valve lifters.
1. Check:
• valve lifter
Damage/scratches → Replace the valve lift-
ers and cylinder head.
5 - 30
ENG
Compressed valve spring force
(installed)
13.9 ~ 16.1 kg at 33 mm
(30.6 ~ 35.5 lb at 1.30 in)
Maximum valve spring tilt
1.7 mm (0.07 in)