Yamaha FX Nytro 2008 Manuel D'atelier page 418

CAMSHAFTS
6. Remove:
• Exhaust camshaft sprocket 1
• Intake camshaft sprocket 2
(Use the special tool 3)
Rotor holding tool:
90890-01235
Universal magneto & rotor holder:
YU-01235
INSPECTION
1. Inspect:
• Camshaft lobes
Blue discoloration/pitting/scratches →
Replace the camshaft.
2. Measure:
• Camshaft lobe dimensions a and b
Out of specification → Replace the camshaft.
Camshaft dimensions:
Intake:
<Limit>:
a 34.250 mm (1.3484 in)
b 24.850 mm (0.9783 in)
Exhaust:
<Limit>:
a 33.850 mm (1.3327 in)
b 24.850 mm (0.9783 in)
5-18
ENG