Kit 50cc Ø39mm P2R original type aluminum air for MBK 88, AV44 ... / av7 motobecane (rounded)

Here is the P2R kit for MBK 88, Av7. It is a high aluminum engine with a 2mm thick two-segment piston. It is a real 50 kit, it will offer you a very good performance gain in view of the piston wedge angle, and the mounted diagrams reviewed and corrected.



It has 2 transfers well worked with a good finish! The diagrams are identical to the origin, so it will not offer you more performance than your original cylinder but will guarantee excellent reliability. The aluminum is of excellent quality and the fins are thinner which will guarantee you better cooling.



It is equipped with 2 segments with a thickness of 2mm to have a prolonged life. In summary, it is a very good replacement kit with good finishes which will not make you gain in performance but which will also be the original cylinder of your machine. Delivered as presented with piston, piston pin, G clips, provide the seals for perfect reassembly without leaks.

You will find by clicking here, the spare gaskets for this kit.



This kit contains:

-Cylinder original type Ø39mm
-Piston bi-segments Ø39mm
-2 segments 2mm thick
-Piston axis Ø13 X 30mm

As an option we offer you a stage 1 preparation, this preparation is a modification of the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!

Mounts on all AV7 engines, therefore the following mopeds :

Moped Motobécane / Motoconfort series 40 / 40T / 40S / 40L / N40S / N40 / 40TS / 40TL / N40TS / N40TL / 40VS / 40VL / H40S / H40L / H40TS / H40TL / H40VS / H40VL / H40TLC / H40VLC
Moped Motobécane / Motoconfort AV41 / AU41
Moped Moto-bike / Motoconfort AV42 / AU42
Moped Motobécane / Motoconfort AV43 / AU43
Moped Motobécane / Motoconfort AV44 / AU44
Moped Motobécane / Motoconfort AV46 / AU 46
Moped Motobécane / Motoconfort AV48 / AU48
Moped Motobécane / Motoconfort AV49 / AU 49
Moped Motobécane / Motoconfort series 50 / 50S / 50VS / 50L / 50VL / G50S / G50LC / G50VS / G50VLC / H50S / H50LC / H50VS / H50VLC
Moped Motobécane / Motoconfort AV56 / AU56
Moped Motobécane / Motoconfort AV59 / AU59
Moped Motobécane / Motoconfort AV65 / AU65
Moped Motobécane / Motoconfort AV68 / AU68
Moped Motobécane / Motoconfort AV76 / AU76
Moped Motobécane / Motoconfort AV78 / AU78
Moped Motobécane / Motoconfort AV79 / AU79
Moped Motobécane / Motoconfort AV85 / AU85
Moped Motobécane / Motoconfort AV87 / AU87
Moped Motobécane / Motoconfort AV88 / AU88
Moped Motobécane / Motoconfort AV89 / AU89
Moped Motobécane / Motoconfort MobyX X7
Moped Motobécane / Motoconfort SPR (Special Road)
Moped Motobécane / Motoconfort SP50 (Special 50)

It is also compatible on AV3x and AU3x with AV7 engine. On these models, a difference is obviously visible.

Motobécane original references: 19478/23461/23460