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.

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