Yamaha XV19SX(C), Service Manual

Page: 280 / 494

CAMSHAFTS
5-31
• Place a folded copper washer “3” between the
teeth of the right balancer drive gear and right
balancer driven gear in order to lock them.
• Place a folded copper washer “4” between the
teeth of the right balancer drive gear and right
balancer driven gear in order to lock them.
• Do not damage the teeth of the right balancer
drive and right balancer driven gears.
• After tightening the camshaft driven gear bolt,
remove the copper washer to clean the teeth of
the right balancer drive gear and right balancer
driven gear.
5. Install:
• Rear cylinder camshaft gear “1”
• Front cylinder camshaft gear “2”
• Washer “3”
• Conical spring washer “4”
• Washer “5”
• Circlip “6”
NOTE:
• Align the projection “a” on the washer “3” with
the punch mark “b” on the front cylinder cam-
shaft gear.
• Install the conical spring washer “4” as shown
in the illustration.
• Lubricate the front cylinder camshaft gear bolt
threads with engine oil.
6. Tighten:
• Front cylinder camshaft gear bolt “1”
NOTE:
• Place a folded copper washer “2” between the
teeth of the front cylinder camshaft gear and
rear cylinder camshaft gear in order to lock
them.
• Do not damage the teeth of the front cylinder
camshaft and rear cylinder camshaft gears.
• After tightening the front cylinder camshaft
gear bolt, remove the copper washer to clean
the teeth of the front cylinder camshaft and rear
cylinder camshaft gears.
7. Install:
• Straight key
• Camshaft driven gear “1”
1
3
2
4
New
T
R
.
.
Front cylinder camshaft gear bolt
40 Nm (4.0 m·kg, 29 ft·lb)
1
b
a
2
3
3
4
5
6
New
1
2