Specifications
l 
SPECl 
FICATION
A. General
*XS650SG
 only 
**XS650G
 only
I
I
1. MODEL
1) Model (I.B.M. No.)
2)
 Basic color
XS650SG
(3G1)/ XS650G
(3GO)
‘CARDINAL RED or NEW YAMAHA BLACK
“BLACK GOLD
2. DIMENSION
1) Overall length
2) Overall width
3) Overall height
4)
 Seat height
5)
 Wheelbase
61
 Minimum ground clearance
3. WEIGHT
1)
 Net weight (Dry)
4. PERFORMANCE
1) Climbing ability
2)
 Minimum turning radius
2,120 mm 
(83.5
in)
925 mm 136.4 in)
‘1,225 mm (48.2 in)
““1,220mm
 (48.0 in)
790 mm (31.1 in)
1,435 mm (56.5 
in1
135 mm 
(
 5.3 in)
‘210 kg (463 
lb) 
“205 kg (452 
lb)
26’
2,500 mm (98.4 in)
B. Engine
1. DESCRIPTION
1)
 Engine type
2)
 Engine model
3)
 Displacement
4)
 Bore 
x
 stroke
5)
 Compression ratio
61
 Starting system
7)
 Ignition system
81
 Lubrication system
2. CYLINDER HEAD
Air cooled. 4-stroke, SOHC twin,
parallel forward incline
2FO
653 cc (39.85 cu.in)
75 
x
 74 mm (2.953 
x
 2.913 in)
8.7 
:
 1
Kick and electric starter
Battery ignition (Full transistor ignition)
Wet rump
1)
 Combustion chamber volume (with N-7Y)
2)
 Combustion chamber type
3)
 Head gasket thickness
3. CYLINDER
1)
 Material
2)
 Bore size
3)
 Taper limit
4)
 Out of round limit
42.5 cc (2.59 
cu.inl
Dome + 
Squish
1.2 mm 
IO.047
 in)
Aluminum alloy with cast iron sleeve
75.00+p
 mm (2.9528 
2.oo8
in1
0.05 mm (0.002 in)
0.01 mm (0.0004 in)
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 174-
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