14 August. Friday 2026
Yamaha TRX 850 - 1999 Specifications and Reviews
The 1999 Yamaha TRX 850 is a middleweight naked bike suited for experienced riders seeking a versatile, characterful machine. Its 849cc liquid-cooled twin delivers 83 horsepower and strong 87 lb-ft torque across the rev range, making it ideal for spirited road riding and daily commuting. Known for its robust engineering and responsive handling, the TRX remains a respected alternative to Japanese sportbikes.
General information | |
| Category | Naked bike |
| Year | 1999 |
| Model | Yamaha TRX 850 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Liquid |
| Starter | Electric |
| Valves per cylinder | 5 |
| Bore x stroke | 89.5 x 67.5 mm (3.5 x 2.7 inches) |
| Compression | 10.5:1 |
| Torque | 87.00 |
| Power | 83.00 |
| Stroke | 4 |
| Engine type | Twin |
| Capacity: | 849.00 ccm (51.81 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 1,435 mm (56.5 inches) |
| Seat height | 800 mm (31.5 inches) If adjustable, lowest setting. |
| Front percentage of weight | 48.4 |
| Weight incl. oil, gas, etc | 209.0 kg (460.8 pounds) |
| | |
Yamaha TRX 850 dimensions and frame | |
| Rear brakes diameter | 245 mm (9.6 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 298 mm (11.7 inches) |
| Front brakes | Dual disc |
| Rear tyre dimensions | 160/60-ZR17 |
| Front tyre dimensions | 120/60-ZR17 |
| Rear suspension travel | 130 mm (5.1 inches) |
| Front suspension travel | 120 mm (4.7 inches) |
Speed and acceleration | |
| 60-140 km/h (37-87 mph), highest gear | 11.600 seconds |
| 0-100 km/h (0-62 mph) | 3.700 seconds |
| Top speed | 218.0 km/h (135.5 mph) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Fuel consumption pr. 10 km (6.2 miles) | 0.58 litres (0.15 gallons) |
| Fuel capacity | 18.00 litres (4.76 gallons) |
Performance Profile & Rider Fit
83 hp
Peak Power
3.4s
0-60 mph
135.5 mph
Top Speed
Best For
Track70%
City60%
Cornering90%
Daily Riding60%
Touring45%
Passenger40%
Rider Profile
| Best For | This bike suits intermediate to experienced riders who appreciate a torquey V-twin-style naked with a distinct character. |
| Purpose | Best suited to spirited backroad riding and cornering-focused fun rather than outright top-speed chasing or long-distance touring. |
| Rider Fit | The 800mm seat height and 209kg weight make it manageable for most rider sizes, though its firm, sporty ergonomics reward an active riding style. |
| Character | The TRX 850 offers a raw, characterful twin-cylinder delivery with strong midrange torque, sharp handling, and an analog, mechanical feel typical of late-90s Yamaha nakeds. |
| Not Ideal For | Not ideal for riders seeking plush long-haul comfort, pillion-friendly touring, or any off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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