Ariel VH 500 Red Hunter (1932-59) vs AJP PR7 Adventure (2019-)
Comparison technical specifications
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| Make: | Ariel | AJP |
| Model: | VH 500 Red Hunter | PR7 Adventure |
| Years: | 1932-59 | 2019- |
| Engine: | Four stroke, stroke, single cylinder, OHV, 2-valves | Single cylinder, SWM, DOHC, 4 valve |
| Capacity: | 497 cc / 30.3 cu in | 600.3 cc / 36.6 cu in |
| Bore x Stroke: | 86.4 x 85 mm (after 1936: 81.8 x 95) | 100 x 76.4 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 6.0:1 (after 1954: 6.8:1) | 12.4:1 |
| Lubrication: | Dry sump with dual plunger pumps | Wet sump |
| Exhaust: | High-set dual port exhaust | Two into one |
| Induction: | Carburetor, large bore down draught Amal | Delphi fuel injection system Ø45 mm |
| Ignition: | Magnet/flywheel | Electronic |
| Starting: | Kick start | Electric |
| Transmission: | 4-Speed | 6-Speed |
| Final Drive: | Chain | Chain |
| Frame: | Semi double cradle | Composite – aluminum / steel |
| Front Suspension: | Grider front forks | 48 mm ZF Sachs USD fork, fully adjustable |
| Rear Suspension: | Rigid, springloaded saddle (after 1954: dual shocks) | AJP progressive linkage system, fully adjustable Sachs piggyback shock |
| Front Brakes: | Drum | Single 300 mm disc, 2 piston caliper |
| Rear Brakes: | Drum | Single 240 mm disc, single piston caliper |
| Fuel Capacity: | 14.8 L / 3.9 US gal | 17 L / 4.5 US gal |