Triumph Speed Triple - 1999 Specifications and Reviews
The 1999 Triumph Speed Triple is a middleweight naked bike powered by a 955cc triple-cylinder engine producing 108 horsepower. Built for aggressive street riders seeking raw performance and distinctive character, it's best known for its thrilling engine personality, nimble handling, and retro-modern styling that helped revive the British brand.
General information | |
| Category | Naked bike |
| Year | 1999 |
| Model | Triumph Speed Triple |
| | |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Starter | Electric |
| Bore x stroke | 79.0 x 65.0 mm (3.1 x 2.6 inches) |
| Compression | 11.2:1 |
| Torque | 97.00 |
| Power | 108.00 |
| Stroke | 4 |
| Engine type | In-line three |
| Capacity: | 955.00 ccm (58.27 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,440 mm (56.7 inches) |
| Seat height | 800 mm (31.5 inches) If adjustable, lowest setting. |
| Front percentage of weight | 46.6 |
| Weight incl. oil, gas, etc | 223.0 kg (491.6 pounds) |
Triumph Speed Triple dimensions and frame | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Dual disc |
| Rear tyre dimensions | 190/50-ZR17 |
| Front tyre dimensions | 120/70-ZR17 |
| Rear suspension travel | 140 mm (5.5 inches) |
| Front suspension travel | 120 mm (4.7 inches) |
Speed and acceleration | |
| 60-140 km/h (37-87 mph), highest gear | 8.400 seconds |
| 0-100 km/h (0-62 mph) | 3.200 seconds |
| Top speed | 230.0 km/h (142.9 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel consumption pr. 10 km (6.2 miles) | 0.64 litres (0.17 gallons) |
| Fuel capacity | 18.00 litres (4.76 gallons) |
Performance Profile & Rider Fit
Best For
Rider Profile
| Best For | This bike rewards riders with at least intermediate to advanced experience who can manage strong midrange torque and a sharp, aggressive throttle response. |
| Purpose | Built primarily as a street-focused naked bike for hard cornering, quick city bursts, and weekend blasts rather than long-distance cruising. |
| Rider Fit | A moderately tall seat height and aggressive but upright naked-bike ergonomics suit riders of average-to-tall stature with reasonable strength for muscling it through fast direction changes. |
| Character | Aggressive, torquey, and muscular in character, with a growling triple-cylinder engine and razor-sharp handling that encourages confident, spirited riding. |
| Not Ideal For | Not well suited for absolute beginners, off-road use, or riders prioritizing plush comfort and long-haul touring capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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⚠ Safety Recalls (2)
ON CERTAIN MOTORCYCLES, THE FUEL CONNECTOR LINKING EACH OF THE FEED AND RETURN FUEL HOSES TO THE FUEL PUMP MOUNTING PLATE MAY FRACTURE FOLLOWING IN-SERVICE HANDLING.
Risk: FUEL COULD ESCAPE FROM THE FRACTURED BODY OF THE CONNECTOR ONTO THE ENGINE OR SIDE OF THE BIKE. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, CAN RESULT IN A FIRE.
Remedy: DEALERS WILL REPLACE THE CONNECTOR. THE RECALL BEGAN ON JULY 30, 2004. OWNERS SHOULD CONTACT TRIUMPH AT 1-678-854-2010.
VEHICLE DESCRIPTION: MOTORCYCLES. OIL CAN LEAK FROM BETWEEN THE CRANKCASE HALVES.
Risk: THIS CAN RESULT IN OIL SPILLAGE FORWARD OF THE REAR TIRE AND COULD, IN SOME CASES, CAUSE VEHICLE INSTABILITY.
Remedy: DEALERS WILL REPLACE THE LOWER CRANKCASE BOLTS.
Source: NHTSA. View all Triumph recalls →
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