TOP PERFORMANCES finally released its MAXIKIT 86cc for the DERBI EURO 3 engine!
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This version has a specially balanced crankshaft for the DERBI GPR / APRILIA RS DERBI / RS4 engine so the engines with balancer.
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The pack offers maximum torque and power, while remaining super robust.

Cast iron kit 5 transfers, oval large exhaust, head stud in two parts for good cooling.

Piston reinforced mono-segment, crankshaft full masses stroke 44mm specifically balanced for the piston ...

A very good pack to accompany a carburation in minimum 24mm, a racing exhaust, sport valves, a reinforced clutch ...
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A variable advance ignition is a plut but not mandatory. Comes with extended studs, crankshaft bearings and spy joints.
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Optionally we offer a stage 1 preparation, this preparation is a modification of the channels and exhaust light by increasing the diagrams and improving the pipe, it increases the performance of the cylinder. An improvement of the piston and skirt stocking is also included in this modification. Allow a little extra time for this preparation!