Removing The Camshafts - Yamaha R1 Series 2015 Service Manual

EAS30256

REMOVING THE CAMSHAFTS

1. Remove:
• Timing mark accessing bolt "1"
• Crankshaft end cover "2"
2
2. Align:
• Mark "a" on the generator rotor
(with the generator rotor cover slot "b")
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a. Turn the crankshaft counterclockwise.
b. When piston #1 is at BTDC105 on the com-
pression stroke, align the BTDC105 mark "a"
on the generator rotor with the generator rotor
cover slot "b".
TIP
BTDC105 on the compression stroke can be
found when the camshaft lobes are turned away
from each other.
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3. Remove:
• Timing chain tensioner "1"
• Timing chain tensioner gasket
1
4. Remove:
• Camshaft cap "1"
ECA13720
NOTICE
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.
1
5. Remove:
b
• Intake camshaft "1"
• Exhaust camshaft "2"
TIP
a
To prevent the timing chain from falling into the
crankcase, fasten it with a wire "3".
5-13
CAMSHAFTS
1
1
1
2
1