906 airfilter box - crankcase ventilation membrane

Frank.61 · **Posted:** Wed Oct 03, 2018 4:25 pm

Gentlemen, question: I want to use a 906 airfilter box on my Paso 750.
So far so good, but .... the 750 airfilter box has a membrane for the crankcase ventilation and the airfilter box of the 906 which I have doesn't.
Can someone tell me where the crankcase ventilation of the 906 is?
I suppose I need a kind of valve/membrane, so how should I solve this?

Frank

paso750 · **Posted:** Wed Oct 03, 2018 5:38 pm

Frank, you're getting lazy :lol:

Look at the 906 parts catalogue TAV.32.
https://www.stein-dinse.biz/eliste/elis ... 815g&lg=de
The 906 has a valve before the oil catch container (#20). On the engine the Pasos only have a hose adapter.
The 907IE, the Supersports, Monsters, 851, 888, 916, ST etc have a higher engine breather/hose adapter instead. There's a membrane inside.

Frank.61 · **Posted:** Thu Oct 04, 2018 8:04 am

Hi Gerhard,

I did look at the Stein Dinse 906 parts list but wasn't sure it was with a membrane inside.
Also since the 906 airfilter box has 2 small holes next to the intake, which I couldn't imagine whatfor, assumed some prevision for a membrane. :wacko:

So if I understood well I could buy one of those fancy aluminium ones you see on ebay (CNC, etc.) and it would fit on my 750 engine?! :thumbup:

Any idea if the outside diameter, where the hose fits, is similar to the 750 version (meaning: the hose fits breather tank aswell as the mentioned later adapters)?
Someone who has mounted one of those? :?:

I find the 906 airfilter box a little beter, build quality wise, so if I find a 906 airfilter box hose adapter I prefer to use the 906 version instead of the 750 one.

By the way: thanks for the picture Gerhard! :thumbup:

paso750 · **Posted:** Thu Oct 04, 2018 11:22 am

paso750 · **Posted:** Thu Oct 04, 2018 11:33 am

Frank.61 · **Posted:** Fri Oct 12, 2018 10:05 am

Hi,

Got another air filter box from Rudy since I was looking for the hose nipple that I was missing.
To my surprise this 906? air filter box has a membrane in it .... didn't see that on the 906 parts list. :shock:

And although provided with the same part number it is actually a little different to the other 906 air filter box.
There is and old sticker with italian on it so I assume it's been used in Europe, but again I didn't know it existed.

Frank

paso750 · **Posted:** Fri Oct 12, 2018 5:10 pm

What Rudy sent you is the airbox of a 750 Sport which indeed has the same part number as the one of the 906 but is and looks a bit different.

Frank.61 · **Posted:** Fri Oct 12, 2018 6:14 pm

Ok, thx.

paso750 · **Posted:** Fri Oct 12, 2018 9:49 pm

906 airfilter box - crankcase ventilation membrane

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