Suzuki DR-Z 250 (2013-16) vs Triumph Street Triple 765R (2018) vs Suzuki DR-Z 400SM (2013-14) vs Suzuki GSR 600S (2006-10) vs Ducati 250 Formula 3 (1960-62)
Comparison technical specifications
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| Make: | Suzuki | Triumph | Suzuki | Suzuki | Ducati |
| Model: | DR-Z 250 | Street Triple 765R | DR-Z 400SM | GSR 600S | 250 Formula 3 |
| Years: | 2013-16 | 2018 | 2013-14 | 2006-10 | 1960-62 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves, TSCC | Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder | Four stroke, single cylinder, DOHC, 4 valve | Four stoke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, shaft and bevel gear driven, 2 valves per cylinder |
| Capacity: | 249 cc / 15.2 cu in | 765 cc / 46.6 cu-in | 398 cc / 24.3 cu-in | 599.4 cc / 36.6 cu in | 248.6 cc / 15.2 cu in |
| Bore x Stroke: | 73. x 59.6 mm | 78 x 53.4 mm | 90 x 62.6 mm. | 67 x 42.5 mm | 74 x 57.8 mm |
| Compression Ratio: | 10.4:1 | 12.65:1 | 11.3:1 | 12.5:1 | 8.5:1 |
| Cooling System: | Air/oil cooled | Liquid-cooled | Liquid cooled | Liquid cooled | Air cooled |
| Induction: | Mikuni TM28SS carburetor or 32 mm carburetor in Calafornia | Multipoint sequential electronic fuel injection with SAI. Electronic throttle control | Mikuni BSR36 CV carburetor | Fuel injection, 38 mm throttle bodies | Dell'Orto SS1 29A carburetor |
| Starting: | Electric / Kick | Electric | Electric | Electric | Kick |
| Ignition: | Digital CDI | Digital - inductive type | Digital CDI | Electronic | Battery and coil |
| Transmission: | 6 Speed, constant mesh | 6 Speed, close ratio | 5 Speed | 6 Speed | 4 Speed |
| Final Drive: | Chain | O ring chain | Chain, #520 | Chain | Chain |
| Front Suspension: | 43 mm Showa telescopic, oil-damped, 12-way adjustable compression and 17-way rebound damping | Showa 41 mm upside down separate function big piston forks (SF-BPF). Adjustable compression damping, rebound damping and preload. | Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload | 43 mm Telescopic forks fully adjustable spring preload | Hydraulic telescopic fork |
| Rear Suspension: | Link-type, gas/oil-damped, fully-adjustable compression/rebound damping and preload, Showa | Showa piggyback reservoir monoshock. Adjustable spring preload (lock-rings), compression damping and rebound damping. | Link-type, fully adjustable spring preload, 26-way compression damping | Mono shock, link-type, coil spring, oil-damped, spring preload 7-way adjustable, rebound damping force fully adjustable | Swingarm, dual shocks |
| Front Brakes: | Single disc, 250 mm | 2 x 310 mm floating discs, Brembo M4.32 4-piston radial monobloc callipers | Single 310 mm floating disc, 2 piston caliper | 2 x 320mm Discs, 4 piston caliper | Drum |
| Rear Brakes: | Single disc, 220 mm | Single 220 mm fixed disc, Brembo single piston sliding calliper | Single 240mm disc, 1 piston caliper | Single 240mm disc, 1 piston caliper | Drum |
| Front Tyre: | 80/100-21 | 120/70 ZR17 Pirelli Diablo Rosso Corsa | 120/70-17 | 120/70ZR-17 | 2.50 -19 |
| Rear Tyre: | 100/100-18 | 180/55 ZR17 Pirelli Diablo Rosso Corsa | 140/70-17 | 180/55ZR-17 | 2.75 -19 |