The PRICE IS FOR Electronic Fuel Injection FOR HIRTH 3503 water cooled 2 cycle 70hp inline engine Special Design - High Torque/Low Rpm - fuel efficient Engine
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Model:
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3503
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Engine Type:
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2 cycle, two cylinder in line
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Bore:
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76mm
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Stroke:
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69mm
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Displacement:
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625cc
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Compression:
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9.5:1
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HP Output:
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70hp @ 6500rpm
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Torque:
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57ft/bs @ 6000rpm
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Ignition:
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Dual CDI
(Capacitive digital Ignition)
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Carburation:
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Dual 34mm slide or optional electronic fuel injection
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Fuel Pump:
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Auxiliary external pneumatic - 12VDC with fuel injection
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Lubrication:
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Fuel mixed with oil @ 50:1 /Blue Max @100:1 or optional oil injection
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Rotation:
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Counter clockwise, viewed from output end-Gearbox reverses direction
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Starter:
Alternator:
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12 volt electric, recoil or both
250 watt/20 amp alternator standard
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Cooling:
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Liquid cooled.
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Weight:
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79 lbs-not including radiator & coolant. Optional gearbox adds 19 lbs.
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Reduction Units:
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G-50 gearbox available in 2.16:l, 2.29:l, 2.59:l, 3.16:l and 3.65:l ratios. Cog belt belt drive also available.
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Drive Coupling:
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Elastomeric dampener or optional centrifugal clutch.
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Type: in-line engine
Cylinders: 2
Displacement: 625 cm³
Max. performance: 51,5 kW (70 HP)
Max. torque: 77,3 Nm
Cooling: water cooling
Weight: 36 kg (with muffler, add-on parts and water in the engine)
Starting device: recoil starter included
Options: electric starter, dual ignition, multi point injection instead of dual carburetter, separate lubrication, gear box G50 with or without centrifugal clutch
The 3503 is a water cooled, reed valve controlled 2-cylinder-inline-2-stroke engine with electronic fuel injection or carburettor and Nikasil coated cylinders. It has one of the highest power to weight ratio available on the 70 HP engine market. Ideally suited for Ultralights, hovercrafts, gyrocopters, light experimental aircrafts and all applications where weight is an issue. Factory recommended TBO is rated at 1000 hours at 75 % power. The warranty of the crank shaft is 3 years.
