Difference between revisions of "Yamaha GX 250"
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{{ | {{Motorcycle | ||
|name = | |name = Yamaha GX 250 | ||
| | |photo=yamaha-gx-250-1979-1979-1.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = Yamaha | ||
|parent_company = | |parent_company = | ||
|production = 1979 | |production = 1979 | ||
| Line 11: | Line 11: | ||
|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = Classic | ||
|engine = Four stroke parallel twin-cylinder OHC 2 [[valve]] per cylinder | |engine = Four stroke parallel twin-cylinder OHC 2 [[valve]] per cylinder | ||
|bore_stroke = 55.9mm x 55.9mm | |bore_stroke = 55.9mm x 55.9mm | ||
| Line 41: | Line 41: | ||
|fuel_capacity = | |fuel_capacity = | ||
|oil_capacity = | |oil_capacity = | ||
|recommended_oil=Yamalube 10w-40 | |||
|fuel_consumption = | |fuel_consumption = | ||
|turning_radius = | |turning_radius = | ||
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[[Category:Yamaha motorcycles]] | [[Category:Yamaha motorcycles]] | ||
[[Category:1970s motorcycles]] | [[Category:1970s motorcycles]] | ||
Latest revision as of 20:25, 23 November 2019
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| Yamaha GX 250 | |
| Manufacturer | |
|---|---|
| Production | 1979 |
| Class | Classic |
| Engine | Four stroke parallel twin-cylinder OHC 2 valve per cylinder |
| Bore / Stroke | 55.9mm x 55.9mm |
| Compression ratio | 9.6:1 |
| Horsepower | 24.94 HP (18.6 KW) @ 9500RPM |
| 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 | 3.25-18 |
| Weight | 168.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Manuals | Service Manual |
The Yamaha GX 250 was a Four stroke parallel twin-cylinder OHC 2 valve per cylinder Classic motorcycle produced by Yamaha in 1979. Claimed horsepower was 24.94 HP (18.6 KW) @ 9500 RPM.
Engine[edit | edit source]
A 55.9mm bore x 55.9mm stroke result in a displacement of just 248.0 cubic centimeters.
Drive[edit | edit source]
The bike has a 6-Speed transmission. Power was moderated via the Wet multi-discs.
Chassis[edit | edit source]
It came with a 3.00-18 front tire and a 3.25-18 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.
1979 Yamaha GX 250[edit | edit source]
It was the first Yamaha 4-stroke 250cc model. Compared to the 400, its tire size was only one size smaller and the chassis parts were quite the same.