After teasing us in the last weeks, LRP has finally revealed the “Spec 4.1 edition” engine, successor to the popular ZR.32X Spec 4. The German designers have implemented all customer wishes and worldwide experience from the predecessor to make the engine even better.
A new piston and conrod design offers increased power, higher mid range torque and improved lubrication. The ZR.32x Spec 4.1 Edition monunts a 3 needle carburettor is fully adjustable and comes with 9mm, 8.5mm and 7.5mm aluminium venturi inserts.
Source: LRP