Yamaha YR2C (1968) vs Yamaha TDM 850 (1999-01)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | YR2C | TDM 850 |
| Years: | 1968 | 1999-01 |
| Engine: | Two stroke, parallel twin | Liquid cooled, four -stroke, parallel twin cylinder, DOHC, 5 valves per cylinder |
| Capacity: | 347 cc / | 849 cc / 51.8 cu-in |
| Bore x Stroke: | 61 х 59.6 mm | 89.5 x 67.5 mm |
| Compression Ratio: | 7.5:1 | 10.5:1 |
| Induction: | Carburetor | 2 x Mikuni BDSR38 carburetors |
| Ignition: | Digital TCI | |
| Starting: | Kick | Electric |
| Max Power: | 36.5 PS @ 7500 rpm | 77 hp / 56.1 kW @ 7500 rpm (rear tyre 75 hp @ 7500 rpm ) |
| Max Torque: | 3.3 kg-m / 23.9 ft-lb @ 7000 rpm | 80.4 Nm / 59.2 lb-ft @ 6000 rpm |
| Final Drive: | Chain | Chain |
| Front Suspension: | Conventional 43mm forks, adjustable preload: rebound damping | |
| Rear Suspension: | Single De Carbon shock, adjustable preload: rebound damping | |
| Front Brakes: | Drum | 2 x 298mm discs 4 piston calipers |
| Rear Brakes: | Drum | Single 245mm disc 2 piston caliper |
| Front Tyre: | 3.00-18 | 110/80 ZR18 |
| Rear Tyre: | 3.50-18 | 150/70 ZR17 |
| Wheelbase: | 1335 mm / 52.5 in | 1470 mm / 57.9 in |
| Fuel Capacity: | 15 Litres / 4.0 gal | 20 Litres / 5.2 US gal |