Cylinder Kit AC 70cc 10mm Cast Iron Motoforce Racing Minarelli Vertical (Bws'R, Booster, Zuma)

Motoforce Racing offers its 70cc Cast Iron cylinder kit for vertical Minarelli scooter engines such as MBK Booster / Yamaha Bws,r.

The Motoforce Racing 70cc cast iron cylinder kit for Vertical AC engines is an excellent solution to increase your scooter's performance while maintaining optimal reliability.

Designed for road and sport use, this kit offers a significant power gain at an excellent price/performance ratio.

Performance Gains:

• Increased engine torque
• Better acceleration
• Improved top speed
• Superior long-term reliability

Technical Specifications:

• Brand: Motoforce Racing
• Type: Cylinder Kit
• Displacement: 70cc
• Material: Cast Iron
• Cooling: Air (AC)
• Axle: 10mm
• Engine: Vertical 2T
• Included in the kit:
  • Cast iron cylinder
  • Piston
  • Piston rings
  • Piston pin
  • Circlips
  • Gaskets

Advice:

To fully exploit this 70cc kit, it is recommended to install:

• 17.5mm carburetor or larger (21mm PHBG recommended)
• Sport variator (Malossi Multivar / Polini Hi-Speed)
• Performance exhaust like the Stage6 Pro Replica exhaust or Yasuni R

Proper break-in is essential to ensure the cylinder's longevity.

Common terms:
70cc cylinder kit, big bore kit, scooter 70cc.