1974 Yamaha DT 125 vs 2017 KTM 150 XC-W
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Year | 1973-74 | - |
| Colours | - | Orange/white/black |
| Make Model | Yamaha DT 125 | - |
| Dimensions |
| Ground Clearance (mm) | - | 370 mm |
| Ground Clearance (in.) | - | 14.6 inches |
| Seat Height | - | 960 mm / 37.8 in. |
| Wheelbase | - | 1,471 mm / 57.9 in. |
| Weights & Capacities |
| Dry Weight | - | 91.5 kg / 201.7 lbs |
| Fuel Capacity | 9.5 Litres / 2.5 US gal | 9.50 litres / 2.51 gallons |
| Wet Weight | 125 kg / 275.5 lbs | - |
| Performance |
| Max Power | 12.9 kW / 17.3 hp @ 7000 rpm | - |
| Max Torque | 1.4 kgf-m / 10 lb-ft @ 7000 rpm | - |
| Engine |
| Engine Type | - | Single cylinder, two-stroke |
| Displacement (ci) | - | 8.78 cubic inches |
| Displacement (cc) | - | 143.90 cc |
| Bore x Stroke (mm) | - | 58.0 x 54.5 mm |
| Bore x Stroke (in,) | - | 2.3 x 2.1 inches |
| Displacement | 123 cc / 7.5 cu-in | - |
| Engine Detail | Two stroke, single cylinder | Reed intake. |
| Fuel System | - | Carburettor |
| Bore x Stroke | 56 х 50 mm | - |
| Compression Ratio | 6.9:1 | - |
| Cooling System | Air cooled | - |
| Fuel Induction | Mikuni TS28SS Carburettor | - |
| Ignition | Magneto | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan |
| Starter | kick | Kick |
| Drivetrain |
| Clutch | - | Multi-plate clutch, Brembo hydraulics |
| Final Drive | Chain | Chain |
| Gearbox | - | 6-speed |
| Primary Drive | - | 14:50. Primary drive: 23:73. |
| Transmission / Drive | 5 Speed | - |
| Chassis |
| Frame Type | - | 25CrMo4 steel central-tube frame |
| Suspension - Front | Telescopic forks | WP XPlor 48 upside-down fork |
| Suspension - Rear | Dual shocks | WP Xplor PDS shock absorber |
| Rake | - | 26.5° |
| Wheel Travel - Front | - | 300 mm / 11.8 in. |
| Wheel Travel - Rear | - | 310 mm / 12.2 in. |
| Wheels & Brakes |
| Brakes - Front Diameter (in.) | - | 10.2 inches |
| Brakes - Front Diameter (mm) | - | 260 mm |
| Brakes - Rear Diameter (in.) | - | 8.7 inches |
| Brakes - Rear Diameter (mm) | - | 220 mm |
| Brakes - Front | Drum | Single disc. Four-piston calipers. |
| Brakes - Rear | Drum | Single disc. Two-piston calipers. |
| Tyres - Front | 2.75-21 | - |
| Tyres - Rear | 3.50-18 | - |
Verdict
⚖️
Too close to call
The 1974 Yamaha DT 125 and the 2017 KTM 150 XC-W are evenly matched across the key measurable criteria. Your decision comes down to personal preference, riding style, and which brand's dealer network best suits your location.
Key Differences
1974 Yamaha DT 125 - Advantages
- ✓Competitive all-round: The 1974 Yamaha DT 125 matches or exceeds its rival across all measured criteria.
2017 KTM 150 XC-W - Advantages
- ✓Competitive all-round: The 2017 KTM 150 XC-W matches or exceeds its rival across all measured criteria.
1974 Yamaha DT 125 vs 2017 KTM 150 XC-W - FAQs
What are the engine differences between the 1974 Yamaha DT 125 and 2017 KTM 150 XC-W?
The 1974 Yamaha DT 125 uses Two stroke, single cylinder, while the 2017 KTM 150 XC-W is powered by Single cylinder, two-stroke. This is a fundamental difference - the 1974 Yamaha DT 125 is a four-stroke engine while the 2017 KTM 150 XC-W runs a two-stroke, resulting in very different power delivery, maintenance requirements, and riding character.
Which should I buy, the 1974 Yamaha DT 125 or the 2017 KTM 150 XC-W?
Both are strong choices. The 1974 Yamaha DT 125 has its own strengths, while the 2017 KTM 150 XC-W offers a compelling alternative. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.