Yamaha WR45OFR service manual Carburetor ENG, Accelerator pump timing adjustment Adjustment steps

1

CARBURETOR ENG

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:

3.1mm (0.122 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

3 Nm (0.3 m · kg, 2.2 ft · lb)

T . R .

NOTE:

Install the projection a on the cylinder head between the carburetor joint slots b.

2.Install:

● Carburetor 1

NOTE:

Install the projection a between the carburetor joint slots.

3.Install:

● Hot starter plunger 1

2 Nm (0.2 m · kg, 1.4 ft · lb)

T . R .

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