7-45
Power unit
POWR
Removing the driven sprocket and
camshaft
When the timing belt is not installed, do
not turn the crankshaft or camshafts. Oth-
erwise, the pistons and valves or intake
and exhaust valves could collide with
each other and be damaged.
1.
Remove the ignition coils
a
and spark
plugs
b
, and then remove the cylinder
head covers
c
and
d
.
2.
Turn the crankshaft counterclockwise 60°
gradually until the large “
L
” mark
a
on
the crankshaft is aligned with the mating
surface of the crankcase and cylinder
block.
NOTICE:
Do not turn the
crankshaft counterclockwise more
than 60°. Otherwise, the pistons and
valves could collide with each other
and be damaged.
3.
Secure the VCT assemblies
e
and
f
using the special service tool
g
, and
then remove the VCT caps
h
.
NOTICE:
When removing the VCT
cap, do not secure the camshaft.
Otherwise, the VCT assembly could
be damaged. When removing the VCT
cap, do not turn the VCT assembly.
Otherwise, the intake and exhaust
valves could collide with each other
and be damaged.
4.
Remove the special service tool
g
.
b
c
d
a
Sheave holder
g
: 90890-01701
a
60°
g
e
h
h
f
Summary of Contents for F225F
Page 1: ...SERVICE MANUAL 6CE 28197 3N 11 F L 225F F L 250D F L 300B ...
Page 4: ......
Page 54: ...1 31 SPEC Specification MEMO ...
Page 89: ...2 34 Lower unit 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 263: ...6 28 Canister 0 1 2 3 4 5 6 7 8 9 10 A j k f b ...
Page 477: ...8 98 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 537: ...9 58 PTT cylinder 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 562: ...A 1 MEMO ...
Page 565: ......
Page 566: ...May 2010 1 ABE E_1 YAMAHA MOTOR CO LTD ...
Page 576: ...A 13 ...