Suzuki GSX250S Katana (1991)

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The Suzuki GSX250S Katana is a motorcycle that was manufactured in 1991. It has a four-stroke engine with a transverse four-cylinder design, DOHC, and four valves per cylinder. The capacity of the engine is 249 cubic centimeters, with a bore x stroke ratio of 49 x 33 mm and a compression ratio of 12.5:1. Its cooling system is liquid-cooled and the lubrication system is wet sump. It has a maximum power output of 29.8 kW/40 hp at 13500 rpm and a maximum torque of 26.4 Nm/2.7 kgf-m/19.5 ft-lb at 10000 rpm. The frame is made of steel double-pipe cradle, and the clutch is wet and multi-plate. The transmission has a six-speed, constant mesh design with a chain for the final drive. The front suspension consists of 37 mm telescopic forks, while the rear suspension has a swingarm, dual shocks, and 4-way preload and 4-way rebound damping adjustable. The front brakes are single 300 mm disc with a 2-piston caliper, and the rear brakes are single 240 mm disc. The motorcycle has a top speed of 174 km/h or 108 mph and a fuel capacity of 17 L/4.5 US gal/3.7 Imp gal. The average fuel consumption is 5.1 L/100 km/19.6 km/l/46 US mpg/55.2 Imp mpg. The standing 1/4 mile time is 14.5 seconds. Its dimensions are as follows; length 2060 mm/81.1 in, width 685 mm/27.0 in, height 1160 mm/45.7 in, wheelbase 1435 mm/56.5 in, ground clearance 165 mm/6.5 in, and seat height 740 mm/29.1 in. The motorcycle weighs 160 kg/352 lbs, with a rake of 25.6 degrees and trail of 99 mm/3.9 in.

Technical specifications:

Make Model: Suzuki GSX 250S Katana

Year: 1991


Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity: 249 cc / 15.2 cu in
Bore x Stroke: 49 x 33 mm
Compression Ratio: 12.5:1
Cooling System: Liquid cooled
Lubrication System: Wet sump
Induction: 2 x Mikuni 29 mm carburetors
Ignition: Digital
Starting: Electric
Max Power: 29.8 kW / 40 hp @ 13500 rpm
Max Torque: 26.4 Nm / 2.7 kgf-m / 19.5 ft-lb @ 10000
Frame: Steel double pipe cradle
Clutch: Wet, multi-plate
Transmission: 6 Speed, constant mesh
Final Drive: Chain

Primary Reduction: 2.285:1
Final Reduction: 3.769:1
Gear Ratios: 1st 3.083 / 2nd 2.200 / .3th 1.722 / 4th 1.450 / 5th 1.285 / 6th 1.150:1
Front Suspension: 37 mm Telescopic forks
Rear Suspension: Swingarm, dual shocks, 4-way preload and 4-way rebound damping adjustable
Front Brakes: Single 300 mm disc, 2 piston caliper
Rear Brakes: Single 240 mm disc
Front Tyre: 110/70-H17
Rear Tyre: 140/70-H17
Rake: 25.6 degrees
Trail: 99 mm / 3.9 in
Dimensions: Length: 2060 mm / 81.1 in Width: 685 mm / 27.0 in Height: 1160 mm / 45.7 in
Wheelbase: 1435 mm / 56.5 in
Ground Clearance3: 165 mm / 6.5 in
Seat Height: 740 mm / 29.1 in
Dry Weight: 160 kg / 352 lbs
Fuel Capacity: 17 L / 4.5 US gal / 3.7 Imp gal
Consumption Average: 5.1 L/100 km / 19.6 km/l / 46.0 US mpg / 55.2 Imp mpg
Standing 1/4 Mile: 14.5 sec
Top Speed: 174 km/h / 108 mph

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