Yamaha DT 175 (1974-75)

The Yamaha DT 175 was a popular motorcycle in the mid-1970s with a two-stroke, single-cylinder, reed valve engine with a capacity of 171 cc. The bike had a maximum power output of 16.5 hp at 7000 rpm and a maximum torque of 8.8 Nm at 6000rpm. It used a Mikuni VM24SS carburettor and a CDI magneto type ignition. The bike had a five-speed transmission system and a chain-driven final drive. Its frame was constructed with welded, tubular, double cradle with a single downtube. The front suspension system used telescopic, oil-damped forks while the rear suspension used dual shocks. The front and rear brakes were drum type, and the bike had a castor angle of 60 degrees. It weighed 99 kg dry and had a fuel capacity of 7 litres.

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Technical specifications:

Make Model: Yamaha DT 175

Year: 1974 – 75

Engine: Two stroke, single cylinder, reed valve

Capacity: 171 cc / 10.43 cu-in

Bore x Stroke: 66 x 50 mm

Cooling System: Air cooled

Compression Ratio: 6.8;1

Induction: Mikuni VM24SS 24mm slide type carburettor

Ignition: CDI, magneto type

Starting: Kick

Battery: 6V, 4Ah.

Max Power: 16.5 hp / 12.3 kW @ 7000 rpm

Max Torque: 8.8 Nm / 12 lb- ft @ 6000rpm.

Clutch: Wet, multiplate type.

Transmission: 5 Speed

Final Drive: Chain, DID428SM. 117 links.

Primary Reduction Ratio: 3.23:1.

Final Reduction Ratio: 2.37:1.

Gear Ratios: 1st 33.55, 2nd 20.38, 3rd 14.42, 4th 11.50, 5th 10.09

Gearbox Sprocket: 15 teeth.

Wheel Sprocket: 49 teeth.

Frame: Welded, tubular, double cradle with single downtube.

Front Suspension: Telescopic, oil damped.

Front Fork Oil: 146cc (4.9fl. oz.) per leg.

Rear Suspension: Dual shocks

Front Brakes: Drum

Rear Brakes: Drum

Front Tyre: 2.75 -21

Rear Tyre: 3.50 -18

Castor Angle: 60 degrees

Dimensions: Length 2080 mm / 81.9 in Height 1120 mm / 44.1 in

Wheelbase:: 1350 mm / 53.1in.

Ground Clearance: 265 mm / 10.4 in

Seat height: 845 mm / 33.27 in

Dry Weight: 99 kg / 2181 lbs

Fuel Capacity: 7 Litres / 1.5gal