Yamaha XS750-2D, Supplemental Service Manual

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B. M A I N T E N A N C E SPECIFICATIONS
Engine/Transmission o i l capacity
Total amount
Oil and filter change
Oil change
2. Carburetion
Manufacturer Mikuni
Model, I.D.No. BS34.1J701
Main j e t
No. 145
Needle j e t
Y-2
Pilot
j e t
No. 17.5
Starter j e t
No. 25
Jet needlelclip position 4H
1 . Engine
3,800 cc (4.0 US qt)
3,500 cc (3.7 US q t )
3,000 cc (3.2
US q t )
Float level
Pilot screw 2-1/4 turns
Air jet, Main 1.0 mm
Air
jet,
Pilot 1.6
mm
Throttle valve, No. 140
Inlet valve size 2.0
mm
Engine idle speed 1,050 - 1,150 rpm
26.5 ± 2.5mm (from gasket surface)
Brakes
Recommended fluid
Minimum boiling point
Pad thickness wear limit
Brake disc maximum deflection
Brake disc minimum thickness
Front brake freeplay (end of lever)
Rear brake freeplay (end
of
pedal)
Front forks
Spring free length
Spring preload length
Spring rate
( 0 ~ 100 m m travel)
Fork o i l capacity (each side)
(100~175 m m travel)
Rear shock absorbers
Spring free length
Spring preload length
Spring rate ( 0 ~ 4 5 m m travel)
(45 ~
80 m m travel)
4. Electrical
Ignition timing retarded
advanced
advance
s t a r t s
Spark plug cap resistance
Regulator type
Lighting
Regulated voltage
Headl ig ht
Ta i I I ig ht/stopligh t
Flasher light
Flasher pilot light
Meter lights
High beam indicator light
Oil pressure warning light
Neutral light
DOT
No.3
240°C (464°F)
6.0 m m
(0.24 in)
0.15 m m (0.006 in)
6.5 m m (0.26 in)
5 - 8 m m (0.2- 0.3 in)
10
mm
(0.40 in)
503.2 m m (19.81 in)
473.2 m m (18.63 in)
0.5
kg/mm (28 Ib/in)
0.648 kg/mm
(36.3 Ib/in)
200 cc (6.76 US fl.oz.)
256 m m (10.08 in)
228 mm (9.0 in)
1.9 kg/mm (106 Ib/in)
2.52 kg/mm 1141.1 Ib/in)
10°@1.100 rpm
28.5°±1.5°@3.050±150rpm
1,800±100 rpm
4.25~6.0 K ohms
National RD1 143
14.5±0.3V
Sealed beam 12V, 50/40W
12V. 8/27W (two bulbs)
12V. 27W (four bulbs)
12V. 3.4W (two bulbs)
12V. 3.4W (t w o bulbs)
1 2 v . 3.4
w
12v. 3.4w
12v. 3.4w