Honda CD175: history, specs, pictures

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Honda CD175
Also called CD 175
Production 1967 - 1979
Class Standard
twin, four-stroke
Compression ratio 9.0:1
Top Speed 80 mph (128 km/h)
Horsepower 16.63 HP (12.4 KW) @ 10500RPM
Fuel System carburetor
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: Wet
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2/75-17
Rear Tire 3/0-17
Recommended Oil Honda GN4 10W-40
Fuel Consumption 4.70 liters/100 km (21.3 km/l or 50.05 mpg)
Manuals Service Manual

Brochures · Reviews ·

The Honda CD175 was a 174 cc bike introduced in USA, Canada, UK, Africa, Asia, Australia and New Zealand in 1967. Main features of this bike included 360 degree cranks, a single ignition, single carburetor to cut down maintenance, odd styling, a parallel twin high revving engine and a speedometer that calibrated to 100 mph (160 km/h).

Claimed Top speed was 80 mph (128 km/h) but with a light rider and no head wind it could go faster (people claim to have done 100 mph or 160 km/h which was the maximum calibration on the speedometer). The big end had rollers to ensure a smooth ride at high revs. They shared their engines with the equivalent years CB175 sport bikes & CL175 scramblers. There were 2 main versions of the bike - the CD175 & CD175A made from 1967-1969, and the later CD175 K3 & K4, (or T3 & T4, or A3 & A4, depending on the country of sale) from 1969 to 1979. In addition, in some countries the electric starter was deleted to reduce the price.

The early bikes ('67-'69) featured a pressed steel spine frame (Honda called this a 'T-bone' frame in some advertising), and an engine with heavily forward-inclined cylinders that acted as a stressed member - there was no down tube as in a cradle-framed bike. In this regard they were similar to the earlier C72/C77 and C92/C95 bikes.

The later bikes - '69-'79 - were far more conventional, with upright cylinders and a conventional tubular frame with down-tube in front of the engine. They were heavier and not as fast as the early bikes. Depending on the market, they were fitted with dual seats, or single seats with large luggage racks.

This bike offered a relatively quicker ride compared to a cheaper cost (50 miles per gallon) but suffered from weak brakes (being only cable operated single shoe drum brakes) and was not “oil tight”. Also the 6 volt electric system made the lights quite inadequate at any speed over 30 mph on a dark night. In 1979 this model was replaced by Honda CD185.

Engine[edit | edit source]

The engine was a air cooled twin, four-stroke. Fuel was supplied via a overhead cams (ohc).

Drive[edit | edit source]

The bike has a 4-speed transmission. Power was moderated via the Wet.

Chassis[edit | edit source]

It came with a 2/75-17 front tire and a 3/0-17 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear.

Specification[edit | edit source]

Year of Production 1969 – 1979

Displacement: 174 cc

Engine: Four-stroke Air cooled Parallel twin, single over head cam

Fuel system: Carburetor

Electrics: 6 volt (battery)

Valves: 2 valves / cylinder


Top Speed 80 mph (128 km/h)

Features: Painted Mudguards, Faired-in Headlamp Nacelle

External links[edit | edit source]

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