The Suzuki GSX750SF Katana (1985-87) is a four-stroke, transverse four-cylinder, DOHC motorcycle with 747cc capacity and a bore x stroke of 67 x 53 mm. It has an air-cooled cooling system and a compression ratio of 9.4:1, with wet sump lubrication and a 4 x 32 mm Mikuni RS32SS carburetor induction. The motorcycle has a transistorized ignition and a battery of 12V 50.4 kC (14 Ah)/10HR – type YB14L-A2. It can reach a maximum power of 62.6 kW / 84 hp @ 9500 rpm and a maximum torque of 68 Nm / 6.93 kgf-m / 50.2 lb-ft @ 8500 rpm.
The Suzuki GSX750SF Katana (1985-87) uses a 5-speed constant mesh transmission, with a final drive of a chain and a primary reduction of 2.162:1 (93/43) and a final reduction of 2.733:1 (41/15). Its gear ratio includes 1st 2.571 (36/14) / 2nd 1.777 (32/18) / 3th 1.380 (29/21) / 4th 1.125 (27/24) / 5th 0.961 (25/26), with a chain Daido D.I.D 630V, 96 links final drive.
The motorcycle has a steel, double cradle frame and a Telescopic, preload adjustable and hydraulic anti-dive front suspension with a front wheel travel of 150 mm / 5.91 in. Its rear suspension has dual shocks, 5-way preload and 4-way rebound damping adjustable, with a rear wheel travel of 109 mm / 4.29 in. The Suzuki GSX750SF Katana (1985-87) uses 2 x 275mm Discs, 2 piston calipers for its front brakes and a single 255 mm disc, 1 piston caliper for its rear brakes. It has front and rear tyres of 3.25 H16 and 4.00 H17, respectively, and a fuel capacity of 22 Litres / 5.8 US gal / 4.8 Imp gal.
The motorcycle’s dimensions include a length of 2250 mm / 88.6 in, width of 715 mm / 28.1 in, height of 1195 mm / 47.0 in, and a wheelbase of 1520mm / 59.8 in. It has a dry weight of 228 kg / 503 lbs and a ground clearance of 175mm / 6.9 in. The Suzuki GSX750SF Katana (1985-87) can achieve a standing 1/4 mile time of 11.9 sec / 182 km/h / 113 mph and has a top speed of 215 km/h 134 mph.
Technical specifications:
Make Model: Suzuki GSX 750SF Katana
| Year | 1985 – 87 |
|---|---|
| Engine | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity | 747 cc / 45.5 cu-in |
| Bore x Stroke | 67 x 53 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.4:1 |
| Lubrication | Wet sump |
| Oil Capacity | 3.2 Litres / 3.4 US qt / 2.8 Imp qt |
| Induction | 4 x 32 mm Mikuni RS32SS carburetors. |
| Ignition | Transistorized |
| Ignition Timing | 15 o BTDC below 1500 rpm / 35 o BTDC above 2350 rpm |
| Spark Plug | NGK D8EA (in E-01,24,25,30,34), NGK DR8ES-L (the others) – gap 0.6-0.7 mm (0.024-0.028 in) |
| Battery | 12V 50.4 kC (14 Ah)/10HR – type YB14L-A2 |
| Generator | Three-phase A.C. generator |
| Starting | Electric |
| Max Power | 62.6 kW / 84 hp @ 9500 rpm |
| Max Torque | 68 Nm / 6.93 kgf-m / 50.2 lb-ft @ 8500 rpm |
| Transmission | 5 Speed constant mesh |
| Final Drive | Chain |
| Primary Reduction | 2.162:1 (93/43) |
| Final Reduction | 2.733:1 (41/15) |
| Gear Ratio | 1st 2.571 (36/14) / 2nd 1.777 (32/18) / 3th 1.380 (29/21) / 4th 1.125 (27/24) / 5th 0.961 (25/26) |
| Final Drive | Chain Daido D.I.D 630V, 96 links |
| Frame | Steel, double cradle |
| Front Suspension | Telescopic, preload adjustable and hydraulic anti-dive. |
| Front Wheel Travel | 150 mm / 5.91 in |
| Rear Suspension | Dual shocks, 5-way preload and 4-way rebound damping adjustable. |
| Rear Wheel Travel | 109 mm / 4.29 in |
| Front Brakes | 2 x 275mm Discs, 2 piston calipers |
| Rear Brakes | Single 255 mm disc, 1 piston caliper |
| Front Tyre | 3.25 H16 |
| Rear Tyre | 4.00 H17 |
| Caster | 61 o30″ |
| Rake | 30 degrees |
| Trail | 116 mm / 4.67 in |
| Dimensions | Length 2250 mm / 88.6 in Width 715 mm / 28.1 in Height 1195 mm / 47.0 in |
| Wheelbase | 1520mm / 59.8 in. |
| Swat H eight | 775 mm / 30.5 in |
| Ground Clearance | 175mm / 6.9 in |
| Dry Weight | 228 kg / 503 lbs |
| Fuel Capacity | 22 Litres / 5.8 US gal / 4.8 Imp gal |
| Standing 1/4 Mile | 11.9 sec / 182 km/h / 113 mph |
| Top Speed | 215 km/h 134 mph |
