Assembly - Yamaha VK540EF Service Manual

CARBURETOR
6. Check:
D Throttle valve movement
Stick ! Replace carburetor body.
ESS00202

ASSEMBLY

NOTE:
D Before reassembling, wash all parts in clean
gasoline.
D Always use new gaskets and O-rings.
1. Tighten:
D Inner parts
Main nozzle:
3 Nm (0.3 mDkg, 2.2 ftDlb)
Valve seat:
5 Nm (0.5 mDkg, 3.6 ftDlb)
Main jet:
2 Nm (0.2 mDkg, 1.4 ftDlb)
Pilot jet:
0.8 Nm (0.08 mDkg, 0.58 ftDlb)
Starter plunger cap:
3.5 Nm (0.35 mDkg, 2.53 ftDlb)
2. Measure:
D Float height a
Out of specification ! Adjust.
Float height a :
12 X 16 mm (0.47 X 0.63 in)
Measurement and adjustment steps:
D Hold the carburetor upside down.
D Incline the carburetor at 60 X 70 (so that the
end of the float valve does not hang down as a
result of float weight).
D Measure the distance between the carburetor
body and top of the floats.
NOTE:
The float arm should resting on the needle valve
without exerting pressure on it.
6-4
CARB