Yamaha 5HN-28199-13, LIT-11626-16-27 NOTE:, NOTE:, Jet needle, No.2 Groove, Float height, Float height:, Standard clip position:, 15.5 ~ 16.5 mm (0.61 ~ 0.65 in)

CARBURETOR ENG

EC464401

Jet needle

1.Inspect:

●Jet needle 1 Bends/wear → Replace.

●Clip groove

Free play exists/wear → Replace.

●Clip position

Standard clip position:No.2 GrooveFloat height

1.Measure:

●Float height a

Out of specification → Adjust.

Float height:15.5 ~ 16.5 mm (0.61 ~ 0.65 in)Measurement and adjustment steps:

●Hold the carburetor in an upside down position.

NOTE:

●Slowly tilt the carburetor in the opposite direction, then take the measurement when the needle valve aligns with the float arm.

●If the carburetor is level, the weight of the float will push in the needle valve, result- ing in an incorrect measurement.

●Measure the distance between the mating surface of the float chamber and top of the float using a vernier calipers.

NOTE:

The float arm should be resting on the needle valve, but not compressing the needle valve.

●If the float height is not within specifica- tion, inspect the valve seat and needle valve.

●If either is worn, replace them both.

●If both are fine, adjust the float height by bending the float tab 1 on the float.

●Recheck the float height.

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