Vespa PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50 (1982-93) vs KTM RC 125 (2014-15)
Comparison technical specifications
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| Make: | Vespa | KTM |
| Model: | PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50 | RC 125 |
| Years: | 1982-93 | 2014-15 |
| Engine: | Two stroke, single cylinder | Four stroke, single cylinder. DOHC with finger followers, 4 Valve |
| Capacity: | 49.8 cc / 3.0 cub in | 124.7 cc / 7.6 cu-in |
| Bore x Stroke: | 38.4 x 43 mm | 58 x 47.2 mm |
| Compression Ratio: | 9.1:1 | 14.5:1 |
| Induction: | Rotary valve | Bosch Injection |
| Ignition: | Flywheel magneto | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting: | Kick start | Electric |
| Clutch: | Oil bath, multi plate | Wet multi-disc clutch / mechanically operated |
| Max Power: | 2.7 kW / 3.7 Hp @ 7000 rpm | 15.hp / 10.9 kW @ 9500 rpm |
| Transmission: | 4 Speed, grip shift | 6 Speed |
| Final Drive: | Direct drive | Chain 5/8 x 1/4” X‑Ring |
| Frame: | Pressed sheet steel with streamlined monocoque structure | Tubular space frame made from steel, powder-coated |
| Front Suspension: | Trailing arm, coil spring, damper | WP Suspension Up Side Down |
| Rear Suspension: | Coil spring, damper | WP Monoshock |
| Front Brakes: | 150 mm drum | Single 300mm disc |
| Rear Brakes: | 150 mm drum | Single 230mm disc |
| Front Tyre: | 3 x 10" | 110/70 -17 |
| Rear Tyre: | 3 x 10" | 150/60 –17 |
| Wheelbase: | 1175 mm / 46.5 in | 1210 mm / 47.6 in |
| Ground clearance: | 252 mm / 9.9 in | 179 mm / 7.0 in |
| Dry Weight: | 77 kg / 169.7 lbs | 135 kg / 297.6 lbs |
| Fuel Capacity: | 6.2 L / 1.6 US gal | 10 Liters / 2.6 US gal |