Yamaha YFM90RA Model Vehicle User Manual


 
4 - 11
ENG
CAMSHAFT, ROCKER ARMS AND VALVES
EBS00235
CAMSHAFT, ROCKER ARMS AND VALVES
1
4
4
5
5
T
R
.
.
9Nm (0.9mkg, 6.5ftlb)
T
R
.
.
9Nm (0.9mkg, 6.5ftlb)
2
3
12
13
11
11
10
10
8
8
9
9
7
7
6
6
Order Job/Part Q’ty Remarks
Removing the camshaft, rocker
arms and valves
Remove the parts in the order listed.
Cylinder head Refer to “CYLINDER HEAD”.
1 Cam shaft comp. 1
1
1
2 Shaft, rocker 1
2
3 Shaft, rocker 2
2
12 Valve, 1 1
13 Valve, 2 1
11 Seal, valve stem oil 2
10 Washer 2
8 Sprg.,2
2
9 Sprg.,1
2
7 Ret.,valve spring
2
E
E
M
M
M
E
E
M
Refer to “REMOVING THE ROCKER
ARMS AND CAMSHAFT” and
“INSTALLING THE CAMSHAFT AND
ROCKER ARMS”.
Refer to “REMOVING THE VALVES
AND VALVE SPRINGS” and “INSTALL-
ING THE VALVES AND VALVE
SPRINGS”.
For installation, reverse the removal pro-
cedure.
6 Lock ,valve spring retainer
4 Arm, valve rocker 1
5 Screw, valve adjusting
4