Yamaha RD 250R / RZ 250R (1984-85) vs Honda GL 1100 Gold Wing Interstate (1980-81)
Comparison technical specifications
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| Make: | Yamaha | Honda |
| Model: | RD 250R / RZ 250R | GL 1100 Gold Wing Interstate |
| Years: | 1984-85 | 1980-81 |
| Engine: | Two stroke, parallel twin | Four stroke, opposed boxer four cylinders, SOHC, 2 valves per cylinder |
| Capacity: | 247 cc / 15.0 cu-in | 1085 / 66.2 cub in. |
| Bore x Stroke: | 54 х 54 mm | 76 x 61.4 mm |
| Cooling System: | Liquid cooled | Liquid cooled |
| Compression Ratio: | 6.2 :1 | 9.2:1 |
| Induction: | 2x Mikuni VM28 SC carburetor | 4 x 30 mm Keihin carburetors |
| Ignition: | CDI | Electronic |
| Starting: | Kick | Electric |
| Max Power: | 35.5 hp / 26.1 kW @ 8500 rpm　 | 59 kW / 81 hp @ 7000 rpm |
| Max Torque: | 30.2 Nm / 3.1 kgf-m@ 8000 rpm | 88 Nm / 9.0 kgf-m / 64.9 lb-ft. @ 5500 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | Telescopic forks | Adjustable telehydraulic fork. |
| Rear Suspension: | Monocross | Swinging arm with adjustable shocks absorbers. |
| Front Brakes: | Single 267mm disc | 2 x 232 mm discs, 2 piston calipers |
| Rear Brakes: | Drum | Single 250 mm disc ,1 piston caliper |
| Front Tyre: | 3.00-18 | 110/90-19 |
| Rear Tyre: | 3.50-18 | 130/90-17 |
| Seat Height: | 785 mm / 30.9 in | 795 mm / 31.3 in. |
| Dry Weight: | 139 kg / 306.4 lbs | 310 kg / 683 lbs |
| Fuel Capacity: | 16.5 Litres / 4.3 US gal | 20 Litres / 5.3 US gal |