Maintenance Specifications

ENGINE

Model

YFM350XKC

Carburetor:

I. D. mark

3GD 10

Main jet

(M.J)

#145

Main air jet

(M.A.J)

0.6

Jet needle

(J.N)

5J31

Needle jet

(N.J)

0-6M

Pilot air jet

(P.A.J. 1)

1.0

Pilot air jet

(P.A.J.2)

0.7

Pilot outlet

(P.O)

0.75

Pilot jet

(P.J)

#42.5

Bypass 1

(B.P.1)

0.8

Bypass 2

(B.P.2)

0.8

Bypass 3

(B.P.3)

0.8

Pilot screw

(P.S)

2

Valve seat size

(V.S)

2.5

Starter jet

(G.S.1)

#62.5

Throttle valve size

(Th.V)

#125

Float height

(F.H)

11.4 ~ 13.4 mm (0.45 ~ 0.53 in)

Fuel level

(F.L)

2-3 mm (0.08 ~ 0.12 in)

Engine idle speed

1,450 ~ 1,550 r/min

Intake vacuum

30.7 kPa (0.307 kg/cm2, 4.4 psi)

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