Yamaha Scorpio, Service Manual

Page: 87 / 300

4 - 10
ENG
CYLINDER HEAD
CYLINDER HEAD REMOVAL
NOTE:
Prior to remove the cylinder head, remove the
seat, fuel tank and air scoop, and drain the
engine oil.
1.Remove:
●
Exhaust pipe assembly
Refer to the “ENGINE REMOVAL” section in
CHAPTER 3.
2.Remove:
●
Carburetor
Refer to the “CARBURETOR” section in
CHAPTER 5.
3.Remove:
●
Carburetor joint
1
●
Spark plug
2
4.Remove:
●
Tappet cover
1
●
Tachometer cable
2
●
Camshaft sprocket cover
3
5.Remove:
●
Timing mark accessing screw (with O-ring)
1
●
Camshaft end cover (with O-ring)
2
6.Align:
●
Camshaft sprocket “I” mark
With the stationary pointer on the cylinder
head.
***********************************************
TDC alignment steps:
●
Turn the crankshaft counter clockwise with a
wrench.
●
Align the camshaft sprocket “I” mark
1
with
the stationary pointer
2
on the cylinder
head. When the “I” mark is aligned with the
stationary pointer, the piston is at Top Dead
Center (TDC).