Aprilia TX 312M (1989) vs Harley-Davidson Harley Davidson CVO Road Glide RR (2025) vs Honda XL 350R (1983) vs Honda GLX 1800 Gold Wing / Automatic-DCT (2021)
Comparison technical specifications
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| Make: | Aprilia | Harley-Davidson | Honda | Honda |
| Model: | TX 312M | Harley Davidson CVO Road Glide RR | XL 350R | GLX 1800 Gold Wing / Automatic-DCT |
| Years: | 1989 | 2025 | 1983 | 2021 |
| Engine: | Single cylinder, two stroke | Screamin' Eagle? 131. CNC ported cylinder heads feature fully CNC machined combustion chambers and ports. Screamin? Eagle high-capacity valve lifters, Screamin? Eagle high-performance valve springs. | Four stroke, single cylinder, SOHC, 4 valve, RFVC radial valve | Four stroke, opposed boxer six cylinders, SOHC, 4-valve per cylinder, finger-follower rocker arm on intake, roller-rocker arm on exhaust |
| Capacity: | 277cc / 16.9 cu in | 2146.7 cc / 120.6 cu-in | 339 cc / 26.7 cu-in | 1833 cc / 111.85 cub in |
| Bore x Stroke: | 76 x 61 mm | 109 x 114.3 mm | 84 x 61.3 mm | 73 x 73 mm |
| Compression Ratio: | 8.5:1 | 11.0:1 | 9.5;1 | 10.5:1 |
| Cooling System: | Liquid cooled | Air and oil cooled | Air cooled | Liquid cooled |
| Starting: | Kick | Electric | Kick | Integrated Starter Generator system |
| Max Power: | 7.3 kW / 10 hp @ 6400 rpm | 153 hp / 112.5 kW @ 5750 rpm | 22.4 hp / 16.7 KW @ 7500 | 124.7 hp / 93 kW @ 5500 rpm |
| Transmission: | 6 Speed | 6-Speed | 6 Speed | 6 speed MT (including overdrive. Plus electric reverse) 7-speed forward and reverse DCT |
| Final Drive: | Chain | Chain, 34/68 ratio | Chain | Enclosed shaft |
| Front Suspension: | Telescopic fork | Screamin' Eagle? by ?hlins FGR 253 inverted front fork, fully adjustable for preload, compression, and rebound damping | 41mm Air adjustable forks | Double-wishbone |
| Rear Suspension: | Monoshock | 14 in. Screamin' Eagle? by ?hlins Remote Reservoir Rear Shocks, fully adjustable for preload, compression, and rebound damping | Single gas shocks, fully adjustable | Pro-Link system with Showa shock absorber |
| Front Brakes: | ingle disc | 2 x Brembo Racing fully floating T-drive front rotors with S7Cr13 stainless steel braking surface, 4-piston fixed dual radially mounted | Single disc | 2x 320mm hydraulic discs 6-piston Nissin calipers, floating rotors and sintered metal pads |
| Rear Brakes: | Expanding drum | Single disc, fixed | Drum | Single 316mm ventilated disc 3-piston Nissin caliper, sintered metal pads |
| Front Tyre: | 2.75-21 | 130/60B19 M/C61H Dunlop? Harley-Davidson Series, bias blackwall | 3.00 -21 | 130/70R 18 |
| Rear Tyre: | 4.00-18 | 180/55B18 M/C80H Dunlop? Harley-Davidson Series, bias blackwall | 4.60 -17 | 200/55R 16 |
| Wet Weight: | 90 kg / 198 lbs | 356 kg / 785 lbs | 137 kg / 302 lbs | MT 366 kg / 806.8 lbs - DCT 367 kg / 809 lbs |
| Fuel Capacity: | 4.5 L / 1.2 US gal | 22.7 Litres / 6.0 US gal | 11 Litres / 2.9 US gal | 21.1 Litres / US 5.57 gal |