Yamaha TT-R125EY, Service Manual

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2-11
SPEC
MAINTENANCE SPECIFICATIONS
Carburetor:
I.D. mark 1B2S00
Main jet (M.J) #100 ----
Main jet nozzle (N.J) N-9M ----
Main air jet (M.A.J) ø0.9 ----
Jet needle-clip position (J.N) 5EI20-1 ----
Cutaway (C.A) 2.5 ----
Pilot air jet 1 (P.A.J.1) #80 ----
Pilot air jet 2 (P.A.J.2) #120 ----
Pilot outlet (P.O) 1.05 ----
Pilot jet (P.J) #15 ----
Bypass (B.P) 0.8 ----
Needle valve seat size (V.S) 1.8 ----
Starter jet 1 (G.S.1) #30 ----
Starter jet 2 (G.S.2) #1.2 ----
Fuel level (F.L) 6.0 ~ 7.0 mm (0.24 ~ 0.28 in) ----
Engine idle speed 1,300 ~ 1,500 r/min ----
Clutch:
Friction plate thickness 2.92 ~ 3.08 mm 2.8 mm
(0.115 ~ 0.121 in) (0.110 in)
Quantity 5 ----
Clutch plate thickness 1.05 ~ 1.35 mm ----
(0.041 ~ 0.053 in)
Quantity 4 ----
Warp limit ---- 0.2 mm
(0.008 in)
Clutch spring free length 33 mm (1.30 in) 31 mm
(1.22 in)
Quantity 4 ----
Clutch release method Inner push, cam push ----
Push rod bending limit ---- 0.5 mm
(0.020 in)
Shifter:
Shifter type Shift drum and guide bar ----
Kick starter:
Type Kick and mesh type ----
Crankshaft:
Crank width "A" 46.95 ~ 47.00 mm ----
(1.848 ~ 1.850 in)
Runout limit "C" 0.03 mm
(0.0012 in)
Big end side clearance "D" 0.15 ~ 0.45 mm 0.5 mm
(0.0059 ~ 0.0177 in) (0.02 in)
Item Standard Limit