Yamaha YZ125 2015, Owner'S Service Manual

Page: 29 / 166

2-5
MAINTENANCE SPECIFICATIONS
Carburetor: USA, CDN EUROPE AUS, NZ, ZA
Type/Manufacturer TMX
χ
38SS/
MIKUNI
← ←
I.D. mark 1C37 51 1C36 41
←
----
Main jet (M.J.) #430
← ←
----
Jet needle-clip position (J.N.) 6BFY43-74-3
← ←
----
Cutaway (C.A.) 4.0
← ←
----
Pilot jet (P.J.) #40 #45
←
----
Pilot air screw (P.A.S.) 2-1/4
← ←
----
Valve seat size (V.S.) ø3.8 mm (0.15
in)
← ←
----
Starter jet (G.S.) #80
← ←
----
Fuel level (F.L.) 9.5–10.5 mm
(0.37–0.41 in)
← ←
----
Reed valve:
Thickness 0.470 mm (0.0185 in) ----
Valve stopper height 8.2–8.6 mm (0.32–0.34 in) ----
Valve bending limit ---- 0.2 mm (0.01
in)
Cooling:
Radiator core size:
Width 107.8 mm (4.24 in) ----
Height (left) 240.0 mm (9.45 in) ----
Height (right) 220.0 mm (8.66 in) ----
Thickness 32.0 mm (1.26 in) ----
Radiator cap opening pressure 95.0–125.0 kPa (0.95–1.25 kg/cm
2
, 13.8–18.1 psi) ----
Radiator capacity (total) 0.56 L (0.49 Imp qt, 0.59 US qt) ----
Water pump:
Type Single-suction centrifugal pump ----
Item Standard Limit