Ideal for the enthusiast who wants to give a little punch to his engine av7 in all discretion. Here is the cylinder of AIRSAL large diameter Ø47mm (75cc kit) for engine motobecane av7 square. This kit is improved in relation to the origin, the light of amission has been enlarged, the diagrams are revised on the rise.

The shape of the transfers is improved as well, the price is really low for this model. This cylinder has a bi-segment piston, it is delivered complete however, there is no exhaust gasket or gasket. This kit will offer a small gain of high speed and a couple breathtaking at all for a really ridiculous price.

The quality is however present, the cylinder is aluminum, treated with a good nikasil, the finish is not bad, it will be able to make many km without any problems. We still recommend a 17.5mm carburetor see 19mm (21mm if the engine is very equipped and why not prepared), a candle cold enough (B9) and a very unbridled escapement to get the calories out of this small thermal group, LEOVINCE SPEED exhausts work very hard on this cylinder stock, if the engine is more equipped we will recommend the NINJA WARM UP muffler, and if you edit the diagrams, really prepare the engine for it offers power, the NINJA G2 REPLICA will be the most appropriate.

The pack contains :

-Piston
-Segments
-Axis
-Piston clips
-Leg seal
-Cylinder
-Pipe fixing studs

In option we propose a preparation stage 1, this preparation is a modification of the exhaust port by increase of the diagrams and improvement of the conduit, this preparation stage1 considerably increases the performances of the cylinder being given that stock the diagram of exhaust is relatively down on this cylinder. Allow a little extra time for this preparation View stage1 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

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.

CDI unit original type for original ignition on MBK 51 / av10 motobecane