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Suzuki SP 370

Make Model	Suzuki SP 370
Year	1978
Engine	Four stroke, single cylinder, SOHC
Capacity	369 cc / 22.5 cu in
Bore x Stroke	85 x 65.2 mm
Compression Ratio	8.9:1
Cooling System	Air cooled
Induction	1 x 32mm Mikuni BS32SS carburetor
Ignition	Magneto battery point
Starting	Kick
Max Power	18.5 kW / 24.8 hp @ 7500 rpm
Max Torque	28 Nm / 2.86 kgf-m / 20.7 lb-ft @ 4000 rpm
Transmission	5 Speed
Final Drive	Chain
Front Suspension	Telescopic fork, oil/gas damped
Front Wheel Travel	185 mm / 7.3 in
Rear Suspension	Full floater, swingarm
Rear Wheel Travel	132 mm / 5.2 in
Front Brakes	150 mm Drum
Rear Brakes	150 mm Drum
Front Tyre	3.00 -21
Rear Tyre	4.00 -18
Dimensions	Length: 2200 mm / 86.6 in Width: 850 mm / 33.5 in Height: 1180 mm / 46.5 in
Wheelbase	1420 mm / 55.9 in
Ground Clearance	240 mm / 9.4 in
Dry Weight	123 kg / 271 lbs
Wet Weight	135 kg / 298 lbs
Fuel Capacity	8.5 Litres / 2.2 US gal / 1.9 Imp gal
Consumption average	5.2 L/100 km / 19.2 km/l / 46.2 US mpg / 54.2 Imp mpg
Standing ¼ Mile	16.9 sec / 114 km/h / 70.8 mph
Top Speed	140 km/h . 87 mph
Road Test	Bike magazine Group Test 1978

The Suzuki SP370 was the first Suzuki motorcycle with a single cylinder four-stroke engine, if you don't count the short-lived Colleda CO and COX models from the fifties. Unfortunately it had a bit too weak engine and it was a bit too expensive to become a great success.

A power-restricted model called SR370 was offered in some countries, including Russia and Germany. It had a 17 hp engine (12,4 kW at 5,950 rpm) using 22 mm Bing carburetor instead of 32 mm Mikuni that was mounted on the SP370.

The SP370 was replaced in 1980 by the SP400, a similar bike but with a more powerful engine.