Husqvarna SMR 630 (2012-) vs Kawasaki Z 300 (2019-) vs Yamaha SR 125 (1982-86)
Comparison technical specifications
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| Make: | Husqvarna | Kawasaki | Yamaha |
| Model: | SMR 630 | Z 300 | SR 125 |
| Years: | 2012- | 2019- | 1982-86 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valves | Four stroke . parallel twin, DOHC, 4 valves per cylinder. | Four stroke, single cylinder. OHV, 2 valve |
| Capacity: | 600 cc / 36.6 cu-in | 296 cc / 18.0 cu-in | 125 cc / 7.6 cu-in |
| Bore x Stroke: | 100 x 76.4 mm | 62 x 49 mm | 57 X 48.8 mm |
| Cooling System: | Liquid cooled | Liquid cooled, | Air cooled |
| Compression Ratio: | 12.4:1 | 10.6:1 | 10.0:1 |
| Induction: | Electronic injection feed | Fuel injection: ø32 mm x 2 (Keihin), with dual throttle valves | TEIKEI Y24P/1 carburetor |
| Ignition: | Electronic, inductive discharge, w/digital control | TCBI with Digital Advance | CDI |
| Starting: | Electric | Electric | Electric |
| Max Power: | 38 hp / 28.3 kW @ 11,000rpm | 12 hp / 8.8 kW @ 8500 rpm | |
| Max Torque: | 19.9 lb-ft / 26.9 Nm @ 10,000rpm | 9.8 Nm @ 8000 rpm | |
| Transmission: | 6 Speed | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain |
| Front Suspension: | 45mm Marzocchi Upside-Down" fork with advanced axle; rebound stroke adjustment | 37mm hydraulic telescopic fork | Telescopic forks |
| Rear Suspension: | Progressive "Soft Damp" type with single SACHS shock absorber; spring preload adjust, compression and rebound adjustment (compression stroke: double adjustment | Bottom-Link Uni-Trak with gas-charged shock and 5-way adjustable preload | Dual shocks |
| Front Brakes: | Single 300mm disc | Single 290 mm petal disc 2 piston caliper | Single 237mm disc |
| Rear Brakes: | Single 220mm disc | Single 220 mm petal disc 2 piston caliper | 130mm drum |
| Front Tyre: | 120/70 -17 | 110/70-17 | 3.00-17 |
| Rear Tyre: | 150/60-17 | 130/70-17 | 3.00-16 |
| Seat Height: | 910mm / 35.8 in | 780 mm / 30.5 in | 745 mm / 29.3 in |
| Fuel Capacity: | 12 Litres / 3.1 US gal | 17 Litres / 4.5 US gal | 10 Litres / 2.6 US gal |