Yamaha YZ450F Manuel D'atelier Du Proprietaire page 56

3
2
DECOMPRESSION LEVER
a
1
1
B
1 - 14
INSTALLATION OF DECOMPRESSION
LEVER
Preparations
1. Remove the seat.
2. Drain the coolant.
Refer to "COOLANT REPLACEMENT"
section in the CHAPTER 3.
3. Remove:
Radiator
G
Refer to "RADIATOR" section in the
CHAPTER 4.
Cylinder head cover
G
Refer to "CAMSHAFTS" section in the
CHAPTER 4.
Number plate
G
4. Remove:
Plug 1
G
Bolt 2
G
Plain washer 3
G
NOTE:
Make a hole in the resin side a and remove
the plug.
Installation
1. Install:
Oil seal 1
G
NOTE:
Install the oil seal, as shown, where the plug
G
was removed.
Apply the lithium soap base grease on the oil
G
seal lip.
2. Install:
Torsion spring 1
G
Decompression shaft 2
G
Plain washer 3
G
Bolt (decompression shaft) 4
G
7 Nm (0.7 m · kg, 5.1 ft · lb)
Decompression cable guide 5
G
Bolt (decompression cable guide) 6
G
10 Nm (1.0 m · kg, 7.2 ft · lb)
Decompression cable 7
G
NOTE:
When installing the decompression shaft,
G
install the torsion spring in the location as
shown.
For the decompression shaft securing bolt
G
and plain washer, use the ones removed
from the same machine.
Apply the engine oil on the decompression
G
shaft.
GEN
INFO