Yamaha CE50T Service Manual page 237

SPEO,F,OAT APP'I
Model CG50U
Automatic Centrifugal Clutch:
Shoe Thickness 4.0 mm (0.16 in)
<Wear Limit> <2.5 mm (0.10 in)>
Clutch Spring Free Length 109.6 mm (4.31 in)
< Limit> <94.0 mm (3.70 in)>
Clutch Housing Inside Diameter 105.0 mm (4.13 in)
<Wear Limit> <105.4 mm (4.15 in)>
Clutch-In Revolution 3,150-3,650 r/rain
Clutch-Stall Revolution 4,650- 5,350 r/rain
V-Belt:
Width 15 mm (0.59 in)
<Wear Limit> <13.5 mm (0.53 in)>
Transmission:
Main Axle Runout Limit 0.08 mm (0.003 in)
Drive Axle Runout Limit 0.08 mm (0.003 in)
Kick Starter:
Type Ratchet type
Kick Clip Tension 150-250 g (5.3-8.8 oz)
Carburetor:
I.D. Mark 2YR00
Main jet (M.J.) #90
Jet Needle-clip Position (J.N.) 3P01-4/5
Main Air Jet (M.A.J.) _2.0
Cutaway (C.A.) 2.5
Pilot Jet (P.J.) #42
Pilot Air Screw (A.S.) 1 and 3/4 turns out
Valve Seat Size (V.S.) _1.8
Starter Jet (G. S. ) # 48
Float Height 15,0-17.0 mm (0.59-0.67 in)
Engine Idling speed 1,800 r/min
Reed Valve: ""
Valve Stopper Height 4.0-4.4 mm (0.013-0.022 in)
Reed Valve Clearance Less than 0.2 mm (0.008 in)
Lubrication System:
Autolube Pump Stroke 0.34-0.55 mm (0.013-0.022 in)
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