KTM 250 EXC-F (2013) vs Suzuki GN 400E (1978-79) vs Husqvarna SM 510R (2007-08)
Comparison technical specifications
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| Make: | KTM | Suzuki | Husqvarna |
| Model: | 250 EXC-F | GN 400E | SM 510R |
| Years: | 2013 | 1978-79 | 2007-08 |
| Engine: | Four stroke, single cylinder, DOHC with finger followers, 4 valves | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity: | 248.6 cc / 15.2 cu-in | 396 cc / 24.2 cu in | 501 cc / 30.5 cu-in |
| Bore x Stroke: | 76 x 54.80 mm | 88 х 65.2 mm | 97 x 67.8 mm |
| Compression Ratio: | 13.2:1 | 9.3:1 | 12.5;1 |
| Cooling System: | Liquid cooled | Air cooled | Liquid cooled |
| Induction: | Keihin EFI, flow restrictor, 42 mm | 36mm Mikuni | 41mm Keihin MX carburetor |
| Starting: | Kick and electric | Kick | Electric |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain, 5/8 x 1/4 in | Chain | Chain |
| Front Suspension: | WP Suspension Up Side Down 4860 MXMA PA | Telescopic fork | 50 mm Marzocchi Upside-Down telescopic hydraulic fork with advanced axle; compression and rebound stroke adjustment |
| Rear Suspension: | WP-PDS 5018 DCC shock absorber | Dual shocks | Progressive 'Soft Damp' type with single hydraulic shock absorber; spring preload adjustment, compression and rebound adjustment (compression stroke: double adjustment) preload adjustment, compression and rebound adjustment (compression stroke: double adjustment) |
| Front Brakes: | Single 260 mm disc, 2 piston caliper | Single disc | Single 320mm disc |
| Rear Brakes: | Single 220 mm disc, 1 piston caliper | Drum | Single 220mm disc |
| Front Tyre: | 90/90 - 21 M/C 54M M+S TT | 3.60-18 | 120/70 -17 |
| Rear Tyre: | 120/80 - 18 M/C 65M M+S TT | 4.60-16 | 150/60 -17 |
| Dry Weight: | 107.5 kg / 237 lbs | 140 kg / 309 lbs | 109.3 kg / 241.0 lbs |
| Fuel Capacity: | 9.5 Litres / 2.5 US gal | 11.5 Litres / 3.0 US gal / 2.5 Imp gal | 9.2 Litres / 2.4 US GAL |