Accelerator Pump Timing Adjustment; Carburetor Installation - Yamaha YZ450F(W) Owner's Service Manual

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1
CARBURETOR

Accelerator pump timing adjustment

Adjustment steps:
NOTE:
In order for the throttle valve height a to
achieve the specified value, tuck under the
throttle valve plate 1 the rod 2 etc. with the
same outer diameter as the specified value.
Throttle valve height:
1.25 mm (0.049 in)
• Fully turn in the accelerator pump adjust-
ing screw 3.
• Check that the link lever 4 has free play
b by pushing lightly on it.
• Gradually turn out the adjusting screw
while moving the link lever until it has no
more free play.

Carburetor installation

1. Install:
• Carburetor joint 1
2. Install:
• Carburetor 1
NOTE:
Install the projection a between the carburetor
joint slots.
3. Install:
• Hot starter plunger 1
4 - 20
ENG
10 Nm (1.0 m · kg, 7.2 ft · lb)
2 Nm (0.2 m · kg, 1.4 ft · lb)

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This manual is also suitable for:

Yz450f 2007Yz450f w 2007Yz450f 2006Yz450fw 2006

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