Complete conrod kit for Lambretta J125 Starstream 4 speed models, manufactured by 'Mazzucchelli'.
Crank pin width = 40mm
Stroke = 48mm
Piston (wrist) gudgeon pin size = 16mm
Ideal for your 4-speed (i.e. Lui / Vega / Cometa 75cc + J125 Starstream) engine casing when fitting a CP One35 135cc cylinder kit.