Yamaha FX Nytro FX10X, Service Manual

Page: 422 / 859

5-20
ENG
CAMSHAFTS
6. Inspect:
• Camshaft sprocket
More than 1/4 tooth
a
wear
→
Replace the
camshaft sprockets, timing chain, and crank-
shaft as a set.
a
1/4 tooth
b
Correct
1
Timing chain roller
2 Camshaft sprocket
7. Inspect:
• Timing chain guide (top side)
Damage/wear
→
Replace.
8. Remove:
• Timing chain tensioner rod
1
• Timing chain tensioner spring 2
• Timing chain tensioner housing
4
NOTE:
Squeeze the timing chain tensioner clip
3
, and
then remove the timing chain tensioner rod and tim-
ing chain tensioner spring.
9. Inspect:
• Timing chain tensioner housing
• Timing chain tensioner rod
• Timing chain tensioner spring
Damage/wear
→
Replace the as a set.
10. Assemble:
• Timing chain tensioner spring
• Timing chain tensioner rod
NOTE:
Prior to installing the timing chain tensioner rod,
drain the engine oil from the timing chain tensioner
housing.
1 2 3
4