Yamaha TDR 250 (1990-91) vs Yamaha YZF 1000 R1M (2016) vs Harley-Davidson Harley Davidson XL 1200X Forty-Eight (2020)
Comparison technical specifications
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| Make: | Yamaha | Yamaha | Harley-Davidson |
| Model: | TDR 250 | YZF 1000 R1M | Harley Davidson XL 1200X Forty-Eight |
| Years: | 1990-91 | 2016 | 2020 |
| Engine: | Two stroke, parallel twin cylinder, read valve, YPVS | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Evolution, four stroke, 45° V-Twin, OHV, 2 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu-in | 998 cc / 60.9 cu-in | 1202 cc / 73.4 cu in |
| Bore x Stroke: | 56.4 х 50 mm | 79.0 x 50.9 mm | 88.8 x 96.8 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 5.9:1 | 13.0:1 | 10.0:1 |
| Induction: | 2x 28mm TM28SS Mikuni carburetors | Fuel Injection with YCC-T and YCC-I | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Transistorized | TCI: Transistor Controlled Ignition | Digital CDI |
| Starting: | Kick | Electric | Electric |
| Max Torque: | 3.7 kgf-m / 26.7 lb-ft @ 8500 rpm | 112.4 Nm / 11.5 kg-m @ 11500 rpm | 96 Nm / 9.8 kgf-m / 70.8 ft/lbs./ @ 3500 rpm |
| Transmission: | 6 Speed | 6-speed w/multiplate slipper clutch | 5 Speed |
| Final Drive: | Chain | "O" ring chain | Belt |
| Front Suspension: | Air assisted telescopic forks 7-way adjustable preload | 43mm KYB® inverted fork; fully adjustable | Front forks with cartridge dampening technology |
| Rear Suspension: | Single shock rising rate adjustable preload | KYB® Single shock w/piggyback reservoir, 4-way adjustable | Emulsion technology rear shocks with 50 mm range of pre-load adjustability and an under-seat, rear shock suspension adjustment wrench |
| Front Brakes: | Single 320mm disc 2 piston calipers | 2x 320mm discs 4 piston calipers, UBS ABS | Single 300mm disc, 2 x 38mm piston calipers |
| Rear Brakes: | Single 210mm disc single piston caliper | Single 220mm disc 1 piston caliper, UBS ABS | Single 300mm disc, 2 x 38mm piston calipers |
| Front Tyre: | 110/90-18 | 120/70 ZR17 | 130/90 B16 73H |
| Rear Tyre: | 120/80-17 | 190/55 ZR17 | 150/80 B16 77H |
| Dimensions: | Length 2145 mm / 84.4 in Width 785 mm / 30.9 in Height 1215 mm / 47.8 in | Length 2054.8 mm / 80.9 in Width 690 mm / 27.2 in Height 1150 mm / 45.3 in | Length 2210 mm / 87.0 in |
| Wheelbase: | 1385 mm / 54.5 in | 1419 mm / 55.9 in | 1495 mm / 58.9 in |
| Seat Height: | 820 mm / 32.2 in | 830 mm / 32.7 in | Unladen 710 mm / 28.0 in |
| Ground Clearance: | 230 mm / 9.0 in | 135mm / 5.3 in | 110 mm / 4.3 in |
| Wet Weight: | 153 kg / 337 lbs | 199 kg / 439 lbs | 252 kg / 556 lbs |
| Fuel Capacity: | 14 Litres / 3.6 US gal | 17 Liters / 4.5 US gal | 7.9 Litres / 2.1 US gal |