Removing The Camshafts - Yamaha 2014 MT-07 Service Manual

EAS30256

REMOVING THE CAMSHAFTS

1. Remove:
• Crankshaft end cover "1"
• Timing mark accessing bolt "2"
1
2. Align:
• Mark "a" on the generator rotor
(with the slot "b" in the generator rotor cover)
▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the exhaust
stroke, align the TDC mark "a" on the gener-
ator rotor with the slot "b" in the generator ro-
tor cover.
▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
3. Remove:
• Timing chain tensioner "1"
• Timing chain tensioner gasket
▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
a. Insert the hexagon wrench "2" (part No.:
1WS-12228-00) into the timing chain tension-
er.
b. Remove the timing chain tensioner.
2
▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
2
▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
b
▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼
1
▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲
4. Remove:
• Intake camshaft cap "1"
• Exhaust camshaft cap "2"
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.
2
▼▼▼
5. Remove:
• Intake camshaft "1"
• Exhaust camshaft "2"
TIP
To prevent the timing chain from falling into the
crankcase, fasten it with a wire "3".
a
3
▲▲▲
6. Remove:
• Intake camshaft sprocket "1"
▼▼▼
TIP
While holding the intake camshaft sprocket with
the rotor holding tool "2", loosen the intake cam-
shaft sprocket bolts.
▲▲▲
5-17
CAMSHAFTS
1
2
Rotor holding tool
90890-01235
Universal magneto and rotor
holder
YU-01235
1