Suzuki GSX400F Impulse

Suzuki GSX400F Impulse
Manufacturer	Suzuki
Production	1994 - 95
Class	Sportbike
Engine	Four stroke, in-line 4 cylinders, DOHC, 4 valves per cylinder
Compression ratio	11.8:1
Transmission	6 Speed
Suspension	Front: Telescopic forks Rear: Dual shocks, preload adjustable.
Brakes	Front: 2 x 290 mm Discs, 2 piston calipers Rear: Single disc, 1 piston caliper
Front Tire	110/80-17
Rear Tire	130/80-17
Wheelbase	1435 mm / 56.5 in
Seat Height	760 mm / 29.9 in
Weight	153 kg / 337 lbs (dry),
Recommended Oil	Suzuki ECSTAR 10w40
Fuel Capacity	18 Liters / 4.8 US gal / 4.0 Imp gal
Manuals	Service Manual

Engine

The engine was a Liquid cooled cooled Four stroke, in-line 4 cylinders, DOHC, 4 valves per cylinder. The engine featured a 11.8:1 compression ratio.

Chassis

It came with a 110/80-17 front tire and a 130/80-17 rear tire. Stopping was achieved via 2 x 290 mm Discs, 2 piston calipers in the front and a Single disc, 1 piston caliper in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual shocks, preload adjustable.. The GSX400F Impulse was fitted with a 18 Liters / 4.8 US gal / 4.0 Imp gal fuel tank. The bike weighed just 153 kg / 337 lbs. The wheelbase was 1435 mm / 56.5 in long.

Photos

Overview

Suzuki GSX 400F Impulse

GSX400 Impulse (internal code GK79A) was released in 1994 for Japanese home market with a chassis straight out of the seventies, although it’s far more competent (125 mph, 55 mpg) than the old bruisers.

The bike has the same engine internals as the GSF400 Bandit but has different engine cases and a much larger frame.

The motor’s still highly strung and therefore somewhat misplaced in retro guise.

Make Model	Suzuki GSX 400F Impulse
Year	1994 - 95
Engine Type	Four stroke, in-line 4 cylinders, DOHC, 4 valves per cylinder
Displacement	399 cc / 24.3 cu in
Bore X Stroke	52 x 47 mm
Compression	11.8:1
Cooling System	Liquid cooled
Induction	4 x 29 mm Carburetors
Starting	Electric
Max Power	44 kW / 59 hp @ 12000 rpm
Max Torque	37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm
Transmission	6 Speed
Final Drive	Chain
Front Suspension	Telescopic forks
Rear Suspension	Dual shocks, preload adjustable.
Front Brakes	2 x 290 mm Discs, 2 piston calipers
Rear Brakes	Single disc, 1 piston caliper
Front Tire	110/80-17
Rear Tire	130/80-17
Dimensions	Length: 2065 mm / 81.3 in Width: 740 mm / 29.1 in Height: 1110 mm / 43.7 in
Wheelbase	1435 mm / 56.5 in
Seat Height	760 mm / 29.9 in
Dry Weight	153 kg / 337 lbs
Fuel Capacity	18 Liters / 4.8 US gal / 4.0 Imp gal