Spec Sheet
The information below is specific to the Yamaha - DT 175 MX 78-79, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Bike Info
CC:
175
Service
Fork oil grade:
10W
Front Fork Oil cc (left leg):
146
Front Fork Oil cc (right leg):
146
Gearbox Oil grade:
SAE 10W-30 SE
Gearbox Oil Litres:
0.7-0.8
Idle Speed (rpm):
1350
Tyre Pressure Back Bar / psi:
2.0 / 28
Tyre Pressure Front Bar / psi:
1.7 / 24
Brakes
Front:
Drum
Rear:
Drum
Dimensions
Fuel Capacity:
7.0 litres
Ground Clearance:
265 mm
Height:
1120 mm
Length:
2080 mm
Rake:
30 deg
Trail:
126 mm
Wet Weight:
96 kg
Wheelbase:
1350 mm
Width:
885 mm
Electrics
Voltage:
6v
Battery:
6n6-3b-1 (6v,6ah)
Bulb-Headlight:
35w/35w 6v
Ignition:
c.d.i magneto
Spark Plugs:
NGK B8ES
Engine
Type:
Air Cooled 2 Stroke Single
Air Filtration:
oiled foam rubber
Bore x Stroke:
66 x 50 mm
Carburation:
Mikuni VM24SS
Carburation Main Jet:
130
Compression Ratio:
6.8:1
Displacement:
171cc
Pilot Screw Setting:
1.50 turns
Starting:
kick Starter
Transmission
Chain Number of Links:
118
Clutch Type:
wet, multi disc
Gear Ratio 1st:
35/11(3.182)
Gear Ratio 2nd:
29/15(1.933)
Gear Ratio 3rd:
26/19(1.368)
Gear Ratio 4th:
24/22(1.091)
Gear Ratio 5th:
22/23(0.957)
Gear Ratio 6th:
21/25(0.840)
Sprocket front:
13
Sprocket rear:
48
Transmission:
6 speed
Misc.
Motorcycle Style:
Off Road
Power
Max Power Output:
15 bhp @ 7000 rpm
Top Speed:
70 mph
Suspension
Front:
Telescopic fork
Rear:
Swing Arm (Monocross)
Tyres
Front:
275-21 Tubed
Rear:
410-18 Tubed
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.