Spec Sheet
The information below is specific to the Suzuki - GS 650 GX Katana 81, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Bike Info
CC:
650
Service
Engine Oil Grade SAE:
10w/40
Engine Oil quantity with filter (litres):
2.4 litres
Fork oil grade:
SAE-10w/30
Idle Speed (rpm):
1,100-1,200 rpm
Spark Plugs Gap (mm):
0.6 - 0.7mm
Tyre Pressure Back Bar / psi:
29
Tyre Pressure Back - Pillion Bar / psi:
32
Tyre Pressure Front Bar / psi:
25
Tyre Pressure Front - Pillion Bar / psi:
29
Valve Clearance Cold - Exhaust:
0.03-0.08mm
Valve Clearance Cold - Inlet:
0.03-0.08mm
Brakes
Front:
Twin Disc
Rear:
Disc
Brake fluid:
SAE-J1703
Front Disc Size:
275mm
Rear Disc Size:
275mm
Dimensions
Dry Weight:
218 kg
Fuel Capacity:
23 litres
Height:
1 480 mm
Length:
2 180 mm
Seat Height:
762 mm
Wheelbase:
1 480 mm
Width:
730 mm
Electrics
Voltage:
12v
Battery:
12V-14AH
Bulb-Headlight:
60/55 watt
Charging System:
3-phase AC generator
Ignition:
magnetically triggered twin-coil transistorized
Ignition Timing:
40-BTDC at 3,500 rpm
Spark Plugs:
NGK-D8EA
Spark Plugs (Iridium):
NGK DR8EIX
Engine
Type:
Air Cooled 4 Stroke DOHC Straight Four
Bore x Stroke:
62 mm x 55.8 mm
Carburation:
4-mikuni BS32SS constant vacuum
Compression Ratio:
9.4:1
Displacement:
673 cc
Lubrication System:
wet-sump with trochoid gear pump
No. of Valves:
8
Transmission
Clutch Type:
wet multi-plate
Final Drive:
Shaft
Gear Ratio 1st:
15.22:1
Gear Ratio 2nd:
10.52:1
Gear Ratio 3rd:
8.17:1
Gear Ratio 4th:
6.65:1
Gear Ratio 5th:
5.68:1
Transmission:
5-Speed constant mesh
Misc.
Frame:
duplex cradle
Motorcycle Style:
ROADSTER
Power
Fuel Consumption:
56 mpg
Max Power Output:
73 bhp at 9,500rpm,(0-60 in 5.6 seconds)
Max Torque:
42.3 lb-ft at-8,000rpm
Top Speed:
119 mph
Suspension
Front:
telescopic oil damped forks
Rear:
swinging fork with hydraulic dampers
Tyres
Front:
3.25H19-tubed
Rear:
4.25H17-tubed
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.