Yamaha FJR13AG, Service Manual

Page: 344 / 784

CAMSHAFTS
5-15
EAS30256
REMOVING THE CAMSHAFTS
1. Align:
• “T” mark on the pickup rotor
(with the crankcase mating surface)
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a. Turn the crankshaft clockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the “T” mark “a” on the pick-
up rotor with the crankcase mating surface
“b”.
TIP
TDC on the compression stroke can be found
when the camshaft lobes are turned away from
each other.
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2. Remove:
• Rubber cap “1”
• Timing chain tensioner cap bolt “2”
• Washer
3. Turn the timing chain tensioner rod fully
clockwise with a thin screwdriver “1”.
TIP
Make sure that the tensioner rod has been fully
set clockwise.
4. Remove:
• Timing chain tensioner
• Timing chain tensioner gasket
5. Remove:
• Camshaft caps
• Dowel pins
NOTICE
ECA13720
To prevent damage to the cylinder head,
camshafts or camshaft caps, loosen the
camshaft cap bolts in stages and in a criss-
cross pattern, working from the outside in.
6. Remove:
• Intake camshaft “1”
• Exhaust camshaft “2”
TIP
To prevent the timing chain from falling into the
crankcase, fasten it with a wire “3”.
7. Remove:
• Intake camshaft sprocket
• Exhaust camshaft sprocket
TIP
While holding the camshaft sprockets with the
rotor holding tool “1”, loosen the camshaft
sprocket bolts.
b
a
Rotor holding tool
90890-01235
Universal magneto and rotor
holder
YU-01235