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

Ideal for starting over from scratch while preserving solidity and slightly improving the performance of the machine. Here is the small 50cc kit in diameter 39mm AIRSAL rounded for motobécane av7 engine (square pitch).



This kit is like the origin however a cleaner and neat finish of its 2 side panels, its normal exhaust and its single rear admission! It has a standard bi-segment model piston, also of good quality, delivered with its clips, segment and axle. We regret the absence of muffler gasket or base gasket.



This kit will offer a small performance gain compared to the original for a really low price! We repeat the quality is present, the cylinder is in aluminum, treated with a good nikasil with a correct finish. He can easily do many kilometers. It is designed for cylinder head with decompressor. Clearly a high engine kit that will allow you to circulate in full compliance combining quality / price!



The pack contains:

Piston

Segments

Axis

Piston clips

Cylinder

Pipe fixing studs

Attention this kit does not contain any seal, you will find some here!

As an option, we offer you a stage 1 preparation, this preparation is a modification of the exhaust port by increasing the diagram and improving the duct, as well as a modification of the piston which consists in shortening the skirts for better scanning, this preparation Stage 1 greatly increases the cylinder performance views stage1 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