If you feel the need to improve the sluggish nature of your 3 Valve LEM motor then thisPolini 171cc performance cylinder kit provides a step in the right direction. The added capacity that this cylinder possesses enables more power and torque to be produced – Hills and gradients, especially when two-up, no longer represent torture and humiliation. Polini also include their high-tech Engine Control Unit (ECU) fuel-injection control module with this kit to ensure an optimal supply of fuel.
kit includes: Aluminium cylinder including a hard-chromed bore, increased capacity, 11.2:1 compression ratio, 58.6mm stroke, die-cast piston including two chromed piston rings, suitable for fuel injected motors, includes adjustable fuel-injection control module.