Difference between revisions of "Yamaha IT400"
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{{Motorcycle | {{Motorcycle | ||
|name = | |name = Yamaha IT 400 | ||
|photo=1976-Yamaha-IT400-Blue-1807-0.jpg | |photo=1976-Yamaha-IT400-Blue-1807-0.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Yamaha | ||
|parent_company = | |parent_company = | ||
|production = 1978 | |production = 1978 | ||
| Line 9: | Line 9: | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = Enduro | ||
|engine = Single cylinder, two stroke, air-cooled | |engine = Single cylinder, two stroke, air-cooled | ||
|bore_stroke = 83.8mm x 83.8mm | |bore_stroke = 83.8mm x 83.8mm | ||
|compression = 7.6:1 | |compression = 7.6:1 | ||
|top_speed = | |top_speed =78 mph | ||
|power = 39.96 HP (29.8 KW) @ 7000RPM | |power = 39.96 HP (29.8 KW) @ 7000RPM | ||
|torque = 30.98 ft/lbs (42.0 Nm) @ 6000RPM | |torque = 30.98 ft/lbs (42.0 Nm) @ 6000RPM | ||
Latest revision as of 20:11, 23 November 2019
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| Yamaha IT 400 | |
| Manufacturer | |
|---|---|
| Production | 1978 |
| Class | Enduro |
| Engine | Single cylinder, two stroke, air-cooled |
| Bore / Stroke | 83.8mm x 83.8mm |
| Compression ratio | 7.6:1 |
| Top Speed | 78 mph |
| Horsepower | 39.96 HP (29.8 KW) @ 7000RPM |
| Torque | 30.98 ft/lbs (42.0 Nm) @ 6000RPM |
| Spark Plug | NGK B8EV '76-78 , '79 |
| Transmission | Gear box: 5-Speed Final Drive: Chain |
| Final Drive | Chain: 520x106 ‘76-78[1] |
| Front Sprocket | 15T ‘76-78[1] |
| Rear Sprocket | 46T ‘76-78[1] |
| Suspension | Front: Telescopic forks Rear: Monoshock |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 3.00-21 |
| Rear Tire | 150/80-18 |
| Wheelbase | 56.3 inches (1430 mm) |
| Weight | 126.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Manuals | Service Manual |
The Yamaha IT 400 was a Single cylinder, two stroke, air-cooled Trial motorcycle produced by Yamaha in 1978. Max torque was 30.98 ft/lbs (42.0 Nm) @ 6000 RPM. Claimed horsepower was 39.96 HP (29.8 KW) @ 7000 RPM.
Engine[edit | edit source]
A 83.8mm bore x 83.8mm stroke result in a displacement of just 398.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 5-Speed transmission. Power was moderated via the Wet multi-discs.
Chassis[edit | edit source]
It came with a 3.00-21 front tire and a 150/80-18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Monoshock. The wheelbase was 56.3 inches (1430 mm) long.
1976[edit | edit source]
1978 Yamaha IT 400[edit | edit source]
The IT 400 motorcycle design is a tough nut for any manufactured to track. Punching the IT through tight wooded sections is easy.
References[edit | edit source]
- ↑ 1.0 1.1 1.2 2019 Western Power Sports Catalog. Western Power Sports. 2019.
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