Yamaha XS 1100 SF Midnight Special
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| Yamaha XS 1100 SF Midnight Special | |
| Manufacturer | |
|---|---|
| Production | 1980 |
| Class | Classic |
| Engine | Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC, 2 Valves Per Cylinder |
| Bore / Stroke | 71.1mm x 71.1mm |
| Compression ratio | 9.2:1 |
| Horsepower | 94.94 HP (70.8 KW) @ 8500RPM |
| Torque | 66.38 ft/lbs (90.0 Nm) @ 6500RPM |
| Transmission | Gear box: 5-Speed Final Drive: Shaft |
| Suspension | Front: Telescopic Forks Rear: Dual Shocks Swing Arm |
| Brakes | Front: 2x298mm Discs Rear: Single 298mm Disc |
| Front Tire | 3.50-19 |
| Rear Tire | 4.50-17 |
| Wheelbase | 60.79 inches (1544 mm) |
| Length | 89.61 inches (2276 mm) |
| Width | 33.7 inches (856 mm) |
| Seat Height | 31.1 inches (790 mm) |
| Weight | 258.0 kg (wet) |
| Recommended Oil | Yamalube 10w-40 |
| Fuel Capacity | 1.06 Gallon (4.00 Liters) |
| Manuals | Service Manual |
The Yamaha XS 1100 SF Midnight Special was a Air Cooled, Four Stroke, Transverse Four Cylinder, DOHC, 2 Valves Per Cylinder Classic motorcycle produced by Yamaha in 1980. Max torque was 66.38 ft/lbs (90.0 Nm) @ 6500 RPM. Claimed horsepower was 94.94 HP (70.8 KW) @ 8500 RPM.
Engine[edit | edit source]
A 71.1mm bore x 71.1mm stroke result in a displacement of just 1102.0 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 3.50-19 front tire and a 4.50-17 rear tire. Stopping was achieved via 2x298mm Discs in the front and a Single 298mm Disc in the rear. The front suspension was a Telescopic Forks while the rear was equipped with a Dual Shocks Swing Arm. The XS 1100 SF Midnight Special was fitted with a 1.06 Gallon (4.00 Liters) fuel tank. The wheelbase was 60.79 inches (1544 mm) long.
1980 - 1982 Yamaha XS 1100 SF Midnight Special[edit | edit source]
When the time came for Yamaha to join the Superbike ball, the Yamaha XS 1100 SF Midnight Special (also known as the Yamaha XS Eleven) was fashionably late. Liter bikes from Honda, Kawasaki and Suzuki were already at the dance and making a name for themselves. Although the competing entries filled different needs, each was powered by an engine displacing 1,000cc or more.