Yamaha 3FA-AE2, Service Manual

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SPEC
MAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE
CHASSIS
Tightening torques
Model YFM125S
Carburetor
I.D. mark 5VJ2 10
Main jet (M.J) # 77.5
Main air jet (M.A.J) ø 1.3
Jet needle (J.N) 4HPY46-1
Needle jet (N.J) O-1M
Cutaway (C.A) 2.5
Pilot air jet (P.A.J) # 130
Pilot outlet (P.O) ø 0.7
Pilot jet (P.J) # 12.5
Bypass 1 (B.P.1) 1.1
Pilot screw (P.S) 2 and 1/2 turns out (for Europe and Oceania)
Valve seat size (V.S) 1.8
Starter jet (G.S) # 45
Fuel level (F.L) 3.5 ~ 4.5 mm (0.14 ~ 0.18 in)
With special tool
Engine idling speed 1,650 ~ 1,750 r/min
Intake vacuum 26.7 kPa (200 mmHg, 7.88 inHg)
Part to be tightened Thread size
Tightening torque
Remarks
Nm m · kg ft · lb
Footrest board and footrest bracket M5 7 0.7 5.1
Footrest and footrest bracket M6 10 1.0 7.2
Front fender and frame M6 7 0.7 5.1
Front carrier and front grill M6 7 0.7 5.1
Fuel tank M6 10 1.0 7.2