Suzuki AN650 2002 User Manual

SERVICING INFORMATION 11-37
CAMSHAFT + CYLINDER HEAD
Unit: mm (in)
CYLINDER + PISTON + PISTON RING
Unit: mm (in)
ITEM STANDARD LIMIT
Cam height
IN.
35.38 – 35.43
(1.393 – 1.395)
35.10
(1.382)
EX.
33.98 – 34.03
(1.338 – 1.340)
33.70
(1.327)
Camshaft journal oil clearance
IN. & EX.
0.032– 0.066
(0.0013 – 0.0026)
0.150
(0.0059)
Camshaft journal holder I.D.
IN. & EX.
24.012 – 24.025
(0.9454 – 0.9459)
—
Camshaft journal O.D.
IN. & EX.
23.959 – 23.980
(0.9433 – 0.9441)
—
Camshaft runout
IN. & EX. —
0.10
(0.004)
Cam chain pin (at arrow “3”) 15th pin —
Cylinder head distortion
—
0.10
(0.004)
ITEM STANDARD LIMIT
Compression pressure
1 500 – 1 900 kPa
(15.0 – 19.0 kgf/cm
2
, 213 – 270 psi)
1 200 kPa
(12 kgf/cm
2
,
171 psi)
Compression pressure difference
—
200 kPa
(2.0 kgf/cm
2
,
28 psi)
Piston to cylinder clearance 0.045 – 0.055
(0.0018 – 0.0022)
0.120
(0.0047)
Cylinder bore 75.500 – 75.515
(2.9724 – 2.9730)
75.585
(2.9758)
Piston diam. 75.450 – 75.465
(2.9705 – 2.9711)
Measure at 15 mm (0.6 in) from the skirt end.
75.380
(2.9677)
Cylinder distortion
—
0.10
(0.004)
Piston ring free end gap
1st R Approx. 11.6 (0.46)
9.3
(0.37)
2nd RN Approx. 8.6 (0.34)
6.9
(0.27)
Piston ring end gap
1st
0.20 – 0.30
(0.008 – 0.012)
0.50
(0.020)
2nd
0.20 – 0.30
(0.008 – 0.012)
0.50
(0.020)
Piston ring to groove clearance
1st —
0.180
(0.007)
2nd —
0.150
(0.006)
Piston ring groove width
1st
1.01 – 1.03
(0.040 – 0.041)
—
2nd
1.01 – 1.03
(0.040 – 0.041)
—
Oil
2.01 – 2.03
(0.079 – 0.080)
—

Suzuki AN650 2002 Specifications

General

Displacement	638 cc
Compression Ratio	11.2:1
Fuel System	Fuel Injection
Ignition	Electronic ignition (Transistorized)
Front Suspension	Telescopic, coil spring, oil damped
Rear Suspension	Swingarm type, coil spring, oil damped
Rear Brakes	Single hydraulic disc
Front Tire	120/70-15
Rear Tire	160/60-14
Bore x Stroke	75.5 mm x 71.3 mm
Front Brakes	Disc
Fuel Tank Capacity	15 liters
Seat Height	750 mm
Transmission	CVT