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The Yamaha brand
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Yamaha 1977
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DT 400 MX 1977
Motorcycle description sheet
Yamaha
DT 400 MX
1977
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Model sold in
1977
Performance
Max speed
: 136 km/h (84,50 mph)
Specifications
Yamaha DT 400 MX 1977
Chassis
Frame : Double tubular steel cradle
Fuel capacity : 9 liters (2,38 US gallons)
Wheelbase : 1 410 mm (55,51 in)
Dry weight : 135 kg
Curb mass : 141 kg
Front axle
Telehydraulic fork Ø nc
Drum brakes
Front wheel : 90 / 90 - 21
→ Order this type of tire
Transmission
5 stage gearbox
Secondary by chain
Rear axle
Mono-amortisseur
Drum brakes
Rear wheel : 100 / 80 - 18
→ Order this type of tire
Motor
single-cylinder in-line
, 2 strokes
Cooling system : by air
1 carburettor Ø 28 mm
397 cc (Bore x stroke: 85 x 70 mm)
23 ch (22,70 hp)
to 5 500 rpm
2,90 mkg
to 3 700 rpm
Power-to-weight ratio
: 5.95 kg/ch
Weight / torque ratio
: 46.55 kg/mkg
Compression : 6.4 : 1
exhaust
motor
fluid
electricity
filtration
braking
Chain kit
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1977
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