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

Ideal to start from scratch while preserving strength and slightly improving the performance of the machine. Here is the small kit 50cc diameter 39mm AIRSAL square engine motobécane av7 (not round).



This kit is like the origin however a cleaner and neat finish of its 2 side, its normal exhaust and its single rear admission! It has a piston model standard two-segment also good quality, delivered with its clips, segment and axis. We regret the absence of muffler gasket or 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 aluminum, treated a good nikasil with a correct finish. It will be able without problem to make many kilometers. It is intended for decompression cylinder head. Clearly a high engine kit that will allow you to circulate in compliance with quality / price!



The pack contains:

Piston

segments

Axis

Piston clips

Cylinder

Pipe fixing studs

Attention this kit contains no seal, you will find here!



Optionally, we offer a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the pipe, it increases the performances of the cylinder A modification on the piston has also been made to lighten it and improve friction making the engine more nervous, more responsive ... View of the preparation:

Square shape like the origins of the following mopeds:
Mobylette Motobecane / Motoconfort / MBK AV89 / AU89 / 89
Mobylette Motobecane / Motoconfort AV92 / AU92 / 92N
Mobylette Motobécane / Motoconfort SP93 (Special 93) / SP93D / SP93DL
Motobecane / Motoconfort SP94 TT (Special 94TT) / SP94TTé
Mobylette Motobécane / Motoconfort AV98 Summit
Motobecane / Motoconfort SP98 (Special 98)
Original Motobecane / Motoconfort reference: 18970

Square shape like the origins of the following mopeds :
Mobylette Motobecane / Motoconfort / MBK AV89 / AU89 / 89
Mobylette Motobecane / Motoconfort AV92 / AU92 / 92N
Mobylette Motobécane / Motoconfort SP93 (Special 93) / SP93D / SP93DL
Motobecane / Motoconfort SP94 TT (Special 94TT) / SP94TTé
Mobylette Motobécane / Motoconfort AV98 Summit
Motobecane / Motoconfort SP98 (Special 98)
Original Motobecane / Motoconfort reference: 18970

Also fits on all AV7 engines, therefore the following mopeds :
Mobylette Motobecane / Motoconfort Series 40 / 40T / 40S / 40L / N40S / N40 / 40TS / 40TL / N40TS / N40TL / 40VS / 40VL / H40S / H40L / H40TS / H40TL / H40VS / H40VL / H40TLC / H40VLC
Mobylette Motobecane / Motoconfort AV41 / AU41
Mobylette Motobecane / Motoconfort AV42 / AU42
Mobylette Motobecane / Motoconfort AV43 / AU43
Mobylette Motobecane / Motoconfort AV44 / AU44
Mobylette Motobecane / Motoconfort AV46 / AU 46
Mobylette Motobecane / Motoconfort AV48 / AU48
Mobylette Motobecane / Motoconfort AV49 / AU 49
Mobylette Motobecane / Motoconfort Series 50 / 50S / 50VS / 50L / 50VL / G50S / G50LC / G50VS / G50VLC / H50S / H50LC / H50VS / H50VLC
Mobylette Motobecane / Motoconfort AV56 / AU56
Mobylette Motobécane / Motoconfort AV59 / AU59
Mobylette Motobecane / Motoconfort AV65 / AU65
Mobylette Motobecane / Motoconfort AV68 / AU68
Mobylette Motobecane / Motoconfort AV76 / AU76
Mobylette Motobecane / Motoconfort AV78 / AU78
Mobylette Motobecane / Motoconfort AV79 / AU79
Mobylette Motobecane / Motoconfort AV85 / AU85
Mobylette Motobecane / Motoconfort AV87 / AU87
Mobylette Motobecane / Motoconfort AV88 / AU88
Mobylette Motobecane / Motoconfort AV89 / AU89
Motobecane / Motoconfort Mobylette MobyX X7
Mobylette Motobécane / Motoconfort SPR (Road Special)
Mobylette Motobécane / Motoconfort SP50 (Special 50)

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