1979 Honda CM400A, Hondamatic - $2,800 (Connelly Springs)

1979 Honda CM400A, Hondamatic 1 thumbnail

make / manufacturer: Honda

model name / number: CM400A Hondamatic

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1979 Honda CM400A Hondamatic is a cruiser motorcycle with a 395cc air-cooled parallel twin engine. Key specifications include a two-speed, clutchless automatic transmission, front disc and rear drum brakes, and a dry weight of 392 lbs (178 kg). Its engine is an air-cooled SOHC with 3 valves per cylinder.
Engine and performance
Engine: 395cc air-cooled, 4-stroke, SOHC parallel twin
Horsepower: 39 hp @ 9500 rpm (29kW)
Torque: 23 lb-ft @ 8000 rpm (31.4N・m)
Bore x stroke: 70.5 mm x 50.6 mm
Compression ratio: 9.3:1
Fuel supply: Dual 28mm Keihin carburetors
Transmission and drivetrain
Transmission: 2-speed automatic (Hondamatic) with hydraulic torque converter and no clutch
Final drive: #530 chain
Chassis and dimensions
Dry weight: 392 lbs (178 kg)
Wet weight: 398 lbs (180.5 kg)
Seat height: 31 inches
Wheelbase: 56.1 inches (1,425 mm)
Front suspension: Telescopic, air-assisted, coil spring, oil-damped
Rear suspension: Twin shock swing arm with adjustable preload
Brakes and wheels
Front brake: Single hydraulic disc (10.8-inch)
Rear brake: Single leading shoe drum
Front wheel: 18-inch Comstar
Rear wheel: 16-inch Comstar
Other specifications
Fuel capacity: 3.0 gallons (2.6 US gal main + 0.4 US gal reserve)
Headlight: 12V system
Electric start: Yes
$2800 OBO.

post id: 7899937971

posted: 2025-12-03 13:14

updated: 2026-01-21 09:14

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1979 Honda CM400A, Hondamatic - motorcycle parts - by owner -...