Difference between revisions of "Yamaha GX 400"
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[[Category:1970s motorcycles]] | [[Category:1970s motorcycles]] | ||
Revision as of 03:07, 19 November 2019
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| 'Yamaha GX 400' | |
| Manufacturer | [[Yamaha]] |
|---|---|
| Production | 1978 |
| Class | [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]] |
| Engine | Four stroke, parallel twin, air cooled |
| Bore / Stroke | 68.6mm x 68.6mm |
| Compression ratio | 9.2:1 |
| Horsepower | 37.01 HP (27.6 KW) @ 8800RPM |
| Torque | 24.34 ft/lbs (33.0 Nm) @ 8000RPM |
| Transmission | Gear box: 6-Speed Final Drive: Chain |
| Suspension | Front: Telescopic forks Rear: Dual shocks |
| Brakes | Front: Single disc Rear: Single disc |
| Front Tire | 3.00-18 |
| Rear Tire | 3.50-18 |
| Weight | 168.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Manuals | Service Manual |
The Yamaha GX 400 was a Four stroke, parallel twin, air cooled Classic motorcycle produced by Yamaha in 1978. Max torque was 24.34 ft/lbs (33.0 Nm) @ 8000 RPM. Claimed horsepower was 37.01 HP (27.6 KW) @ 8800 RPM.
Engine
A 68.6mm bore x 68.6mm stroke result in a displacement of just 391.0 cubic centimeters.
Drive
The bike has a 6-Speed transmission. Power was moderated via the Wet multi-discs.
Chassis
It came with a 3.00-18 front tire and a 3.50-18 rear tire. Stopping was achieved via Single disc in the front and a Single disc in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual shocks.
1978 Yamaha GX 400
It had a small body same as GX250, which was its series model. Its square body was inherited from the RD series, the 2-stroke road bike.