Kawasaki H1 500 Mach III (1970-71)

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The Kawasaki H1 500 Mach III motorcycle was produced between 1970-71 and had a powerful two-stroke, transverse three cylinder, piston valve engine with a capacity of 498cc. It had an air-cooling system, compression ratio of 6.8:1 and a 3x Mikuni VM28SC carburetor induction. The CDI ignition and kick start offered a maximum power of 60 hp / 45 kW @ 7500 rpm and a maximum torque of 56 Nm / 42.3 lb-ft @ 7000 rpm. The clutch is a wet multi-disc transmission and has a 5-speed transmission with a final drive of chain. The bike has a double tubular steel cradle frame with a front suspension consisting of telescopic hydraulic forks and a rear suspension of dual shocks and swing arm. The front and rear brakes were 200mm and 180mm drum ones, respectively. Additionally, the bike has a 3.25-19 front tyre and a 4.00-18 rear tyre, with a wheelbase of 1400mm / 55in. Its dry weight is 174 kg / 384 lbs and wet weight is 188 kg / 414 lbs. It has a standing 1/4 mile of 12.4 seconds and a top speed of 200 km/h / 124 mph. In terms of fuel, it has a capacity of 15 litres / 4.0 US gal.

Technical specifications:

Make Model: Kawasaki H1 500 Mach III

Year: 1970 -71


Engine: Two stroke, transverse three cylinder, piston valve
Capacity: 498 cc / 30.4 cu-in
Bore x Stroke: 60 58.8 mm
Cooling System: Air cooled
Compression Ratio: 6.8:1
Lubrication: Injectolube, automatic pressurized injection
Induction: 3x Mikuni VM28SC carburetors
Ignition: CDI
Starting: Kick
Max Power: 60 hp / 45 kW @ 7500 rpm
Max Torque: 56 Nm / 42.3 lb-ft @ 7000 rpm
Clutch: Wet multi-disc
Transmission: 5 Speed
Final Drive: Chain
Frame: Double tubular steel cradle

Front Suspension: Telescopic hydraulic forks
Rear Suspension: Dual shocks, swing arm
Front Brakes: 200mm Drum
Rear Brakes: 180mm Drum
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Wheelbase: 1400 mm / 55 in
Dry Weight: 174 kg / 384 lbs
Wet Weight: 188 kg / 414 lbs
Fuel Capacity: 15 Litres / 4.0 US gal
Standing 1/4 Mile: 12.4 sec
Top Speed: 200 km/h / 124 mph

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