Yamaha DT175

**Yamaha DT175**
Manufacturer	Yamaha
Also called	DT175MX, DT 175 MX, DT 175
Production	1973 - 2006
Predecessor	Yamaha CT3
Class	Enduro
Engine	single cylinder, two-stroke
Bore / Stroke	66.0mm x 50.0mm
Compression ratio	6.8:1
Top speed	65 mph (105 km/h)
Horse Power	17.17 HP (12.8 KW) @ 7000RPM
Torque	1.48 ft/lbs (2.0 Nm) @ 5500RPM
Ignition type	cdi
Sparkplug	NGK B8ES '74-76 , 78-79; NGK B9ES '80-81
Battery	YUASA 6N6-3B-1 78-79; YUASA 6N4B-2A-3 '74-75 , '76; YUASA 6N6-36-1 '80-81
Transmission	Gear box: 6-speed ; Final Drive: chain ; Clutch: Wet multi-disc ;
Suspension	Front: telescopic fork ; Rear: monocross
Brakes	Front: single disc ; Rear: single disc
Front Tire	2.75-21 '76 , 78-79 , '80-81; 3.00-19 '74-75
Rear Tire	3.50-18 '74-75 , '76 , 78-79 , '80-81
Wheelbase	52.95 inches (1345 mm)
Dimensions	L 83.07 inches (2110 mm); W 33.66 inches (855 mm); H 45.28 inches (1150 mm);
Seat height	49.45 inches (1256 mm)
Weight	220.46 pounds (100.0 Kg) (dry), 105.0 kg (wet)
Fuel capacity	2.51 Gallon (9.50 Liters)
Related	Yamaha CT1/CT2/DT175
Competition	Honda SL175 ; Suzuki TS185; Kawasaki F7/KE175
Manuals	Service Manual
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The Yamaha DT175 was a 175cc single cylinder, two-stroke dual-purpose motorcycle manufactured by Yamaha from 1974 through 1981. It could reach a top speed of 65 mph (105 km/h). Max torque was 1.48 ft/lbs (2.0 Nm) @ 5500 RPM. Claimed horsepower was 17.17 HP (12.8 KW) @ 7000 RPM. The Yamaha DT 175 was the second last in a long line of enduro motorcycles that can be traced back to the back to the CT-1.

Overview

The DT175 had a raised rear and front fenders, raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road-enduro motorcycle or trail motorcycle.

Engine

The engine was a air cooled single cylinder, two-stroke. A 66.0mm bore x 50.0mm stroke result in a displacement of just 171.0 cubic centimeters. Fuel was supplied via a membrane.

Drive

The bike has a 6-speed transmission. Power was moderated via the Wet multi-disc.

Chassis

1974 Yamaha DT175 in Blue

It came with a 2.75-21 front tire and a 4.10-18 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The front suspension was a telescopic fork while the rear was equipped with a monocross. The DT175 was fitted with a 2.51 Gallon (9.50 Liters) fuel tank. The bike weighed just 220.46 pounds (100.0 Kg). The wheelbase was 52.95 inches (1345 mm) long.

1973 - 1978 Yamaha DT 175

The ideal size and weight, coupled with the right amount of usable power, is to be found in the DT175, it is the size of a 125 machine and yet produces power and torque akin to a 250.