Removing The Cylinder Head - Yamaha YFM7FGPW Service Manual

d
c
1
CYLINDER HEAD
EBS00220

REMOVING THE CYLINDER HEAD

a
1. Align:
• "I" mark on the AC magneto rotor
b
M MMM
a. Turn the crankshaft counterclockwise.
b. When the piston is at the top dead center
NOTE:
To position the piston at top dead center (TDC)
on the compression stroke, align the "I" mark
c on the camshaft sprocket with the stationary
pointer d on the cylinder head, as shown in
the illustration.
L LLL
2. Loosen:
• camshaft sprocket bolts 1
• decompressor assembly bolts 2
NOTE:
While holding the AC magneto rotor nut with a
wrench, loosen the camshaft sprocket bolts
and decompressor assembly bolts.
2
3. Loosen:
• timing chain tensioner cap bolt
4. Remove:
• timing chain tensioner
• camshaft sprocket
• timing chain
NOTE:
_
To prevent the timing chain from falling into the
crankcase, fasten it with a wire.
4 - 12
(with the stationary pointer on the AC mag-
neto cover)
M MMM M M MMM M M MMM M
(TDC) on the compression stroke, align the
"I" mark a on the AC magneto rotor with
the stationary pointer b on the AC magneto
cover.
L LLL L L LLL L L LLL L
(along with the gasket)
ENG
M MMM M M MMM M MMM
L LLL L L LLL L LLL