Benelli 304 (1984-88) vs Bimota DB6 Delirio (2009) vs Benelli 250 Café Racer (1975) vs Benelli TRK 502X (2018-19)
Comparison technical specifications
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| Make: | Benelli | Bimota | Benelli | Benelli |
| Model: | 304 | DB6 Delirio | 250 Café Racer | TRK 502X |
| Years: | 1984-88 | 2009 | 1975 | 2018-19 |
| Engine: | Four stroke, transverse four cylinder, OHV, 2 valves per cylinder | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder | Two stroke, parallel twin | Parallel twin, DOHC, 8 valves |
| Capacity: | 231.4 cc / 14.1 cu in | 1079 cc / 65.8 cub. in. | 231.4 cc / 14.1 cu in | 499.6 cc / 30.5 cu in |
| Bore x Stroke: | 44 x 38 mm | 98 x 71.5 mm | 56 x 47 mm | 69 x 66.8 mm |
| Compression Ratio: | 10.5:1 | 10.0:1 | 10.0:1 | 11.5:1 |
| Cooling System: | Air cooled | Air / oil cooled | Air cooled | Liquid cooled |
| Induction: | 4 x Dell'Orto PHBG 18 B carburetors | Electronic fuel injection, 45mm throttle body | 2 x 26 mm Dell'Orto VHB carburetors | EFI with 37 mm throttle body |
| Ignition: | Coil, distributor | Marelli electronic | Electronic | ECU - TL1 |
| Starting: | Electric (kick start optional) | Electric | Kick start | Electric |
| Max Power: | 20.1 kW / 27.8 hp @ 10500 rpm | 67.6 kW / 91 hp @ 8500 rpm | 22.4 kW / 30 hp @ 6800 rpm | 35.8 kW / 48 hp @ 8500 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 6-Speed |
| Final Drive: | Chain | Chain | Chain | Chain |
| Frame: | Open tubular frame, load bearing engine | 25/20 mm chrome-molybdenum steel trellis with aluminium machined plates | Double cradle, tubular steel | Steel tube trellis frame |
| Front Suspension: | Hydraulic forks, 30 mm Ø | 50 mm Marzocchi upside-down with TiN treatmentm 120mm wheel travel | Telescopic forks | 50 mm USD fork, adjustable |
| Rear Suspension: | Swinging arm with hydraulic shocks | Straight connection with full adjustable monoshock, 130mm wheel travel | Swinging arm with double adjustable shocks and concentric springs | Rear swing arm with central shock absorber, spring preload, hydraulic rebound and compression setting adjustable |
| Front Brakes: | Single 260 mm disc | 2x 320mm discs 4 piston calipers | 2 x 260 mm Discs | Dual 320 mm floating discs, 4-piston calipers, ABS |
| Rear Brakes: | 158 mm Drum | Single 220mm disc 2 piston caliper | Drum, 156 mm Ø | Single 260 mm disc, 2-piston caliper, ABS |
| Front Tyre: | 3.75 -18 | 120/90 ZR17 | 3.00-18 | 110/80- R19 - M/C 59V |
| Rear Tyre: | 3.00 -18 | 180/55 ZR17 | 3.25-18 | 150/70 - R17 – M/C 69V |
| Wheelbase: | 1270 mm / 50.0 in | 1425 mm / 56.1 in. | 1310 mm / 51.6 in | 1525 mm / 60 in |
| Dry Weight: | 134 kg / 295 lbs | 177kg / 390 lb | 125 kg / 275 lbs | 213 kg / 469.5 lbs |
| Fuel Capacity: | 11 Litres / 2.9 US gal | 16 Litres / 4.2 US gal | 11.5 Litres / 3.0 US gal | 20 Litres / 5.2 US gal |