Checking The Timing Chain Tensioner; Installing The Camshafts - Yamaha TRACER MT09TRA Service Manual

EAS30266

CHECKING THE TIMING CHAIN TENSIONER

1. Check:
• Timing chain tensioner
Cracks/damage/rough movement  Re-
place.
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a. Lightly press the timing chain tensioner rod
into the timing chain tensioner housing by
hand.
TIP
While pressing the timing chain tensioner rod,
wind it counterclockwise with a hexagon wrench
"1" until it stops.
b. Keep pressing the timing chain tensioner rod
by hand, remove the hexagon wrench and
slowly release the timing chain tensioner rod.
c. Make sure that the timing chain tensioner rod
comes out of the timing chain tensioner hous-
ing smoothly. If there is rough movement, re-
place the timing chain tensioner.
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2
1
1
EAS30269

INSTALLING THE CAMSHAFTS

1. Remove:
• Timing mark accessing bolt "1"
• Crankshaft end cover "2"
1
2. Align:
• Mark "a" on the generator rotor
(with the generator rotor cover mark "b")
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a. Turn the crankshaft counterclockwise.
b. When piston #1 is at BTDC125, align the
mark "a" on the generator rotor with the gen-
erator rotor cover mark "b".
b
a
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3. Install:
• Intake camshaft sprocket "1"
• Exhaust camshaft sprocket "2"
Camshaft sprocket bolt
24 Nm (2.4 m·kgf, 17 ft·lbf)
ECA13750
NOTICE
Be sure to tighten the camshaft sprocket
bolts to the specified torque to avoid the
possibility of the bolts coming loose and
damaging the engine.
TIP
• Install the camshaft projection "a" at the posi-
tion shown in the illustration.
• Tighten the camshaft sprocket bolt with the
camshaft wrench "3".
5-14
CAMSHAFTS
2