Cylinder Kit WM Sport 70cc – Minarelli Horizontal

Description

High-quality WM Sport 70cc cylinder kit is designed for liquid-cooled (LC) Yamaha and Aprilia scooters. It is a classic cast iron sport cylinder, making it an excellent choice for everyday use and a reliable performance upgrade over the original cylinder.

With its simple sport design, it delivers approximately 6–8 HP and can be used with the original crankshaft, provided it is in good technical condition. For the best results, a sport crankshaft is recommended, but replacing the original crankshaft is not mandatory. The cylinder kit offers an excellent balance of price, quality, and performance.

Technical specifications

• Manufacturer: WM
• Type: Sport cylinder kit
• Displacement: 70 cc
• Piston diameter: 47 mm
• Piston pin: 10 mm
• Cylinder material: cast iron
• Cooling: liquid-cooled (LC)
• Power: approximately 6–8 HP

Fits

• Yamaha LC 50
• Aprilia LC 50
• Other models with a Minarelli Horizontal LC engine and a 10 mm piston pin

Advantages

• Approximately 6–8 HP of power
• Can be used with the original crankshaft
• A sport crankshaft is recommended but not required
• Excellent price-to-quality ratio
• Suitable for everyday use