Yamaha TZR 250R-SP
It could reach a top speed of 180.2 km/h / 112 mph.
Manufacturer | Yamaha |
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Production | 1992 |
Engine | Two stroke, 90° V-Twin cylinder, read valve induction |
Compression ratio | 7.5:1 |
Top speed | 180.2 km/h / 112 mph |
Ignition type | Microcomputer controlled |
Transmission | 6 Speed |
Suspension | Front: 39mm Upside-down forks Rear: Monocross linkage |
Brakes | Front: 2X disc 4 piston calipers Rear: Single disc 2 piston caliper |
Front Tire | 110/70 Z17 |
Rear Tire | 150/60 Z17 |
Wheelbase | 1340 mm / 52.8 in |
Seat height | 780 mm / 30.7 in |
Weight | 126 kg / 277.8 lbs |
Fuel capacity | 15 Liters / 4.0 gal |
Manuals | Service Manual |
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Engine
The engine was a Liquid cooled cooled Two stroke, 90° V-Twin cylinder, read valve induction. The engine featured a 7.5:1 compression ratio.
Chassis
It came with a 110/70 Z17 front tire and a 150/60 Z17 rear tire. Stopping was achieved via 2X disc 4 piston calipers in the front and a Single disc 2 piston caliper in the rear. The front suspension was a 39mm Upside-down forks while the rear was equipped with a Monocross linkage. The TZR 250R-SP was fitted with a 15 Liters / 4.0 gal fuel tank. The bike weighed just 126 kg / 277.8 lbs. The wheelbase was 1340 mm / 52.8 in long.
Photos
Overview
Yamaha TZR 250R-SP
Make Model | Yamaha TZR 250R-SP |
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Year | 1992 |
Engine Type | Two stroke, 90° V-Twin cylinder, read valve induction |
Displacement | 249.7 cc / 15.2 cu-in |
Bore X Stroke | 56 x 50.7 mm |
Cooling System | Liquid cooled |
Compression | 7.5:1 |
Induction | 2x Mikuni flatside carburetor |
Ignition | Microcomputer controlled |
Starting | Kick |
Max Power | 45 hp / 33.6 kW @ 9500 rpm |
Max Torque | 3.8 kgf-m / 40 Nm @ 8000 rpm |
Transmission | 6 Speed |
Final Drive | Chain |
Front Suspension | 39mm Upside-down forks |
Rear Suspension | Monocross linkage |
Front Brakes | 2X disc 4 piston calipers |
Rear Brakes | Single disc 2 piston caliper |
Front Tire | 110/70 Z17 |
Rear Tire | 150/60 Z17 |
Dimensions | Length 1960 mm / 77.1in Width 680 mm / 26.7 in Height 1075 mm / 42.3 in |
Wheelbase | 1340 mm / 52.8 in |
Seat Height | 780 mm / 30.7 in |
Dry Weight | 126 kg / 277.8 lbs |
Fuel Capacity | 15 Liters / 4.0 gal |
Top Speed | 180.2 km/h / 112 mph |
Road Test | Motosprint 1991 Performance Bike 1991 |