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J_A_M
 Post subject: Engine breathers - WTF??
PostPosted: Mon Sep 05, 2005 10:17 pm 
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1360cc
1360cc

Joined: Tue Mar 16, 2004 11:32 am
Posts: 9068
I took my side plates off my motor tonight. One has a breather in it. I tipped it sideways and a whole lot of water or very thin oil ran out.

WTF??

Is this normal? How exactly does it work? It just looks like an empty cylinder ... :?
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CPOCSM
 Post subject:
PostPosted: Mon Sep 05, 2005 10:21 pm 
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Joined: Fri Aug 13, 2004 3:45 am
Posts: 2360
Location: SE QLD
It should have a lump of steel wool like a steelo pad secured by a wire Y-piece. If not clean it out and buy one of those coarse pot scourers(the woven steel ones), stuff it up the larger hole and bend a bit of 10 guage wire into a vee - there is no easy way to explain what size - trial and error.

It is supposed to stop the contents of yuour sump vomiting all over that new rad cowl...lol

Hooroo

Rob Forsyth
Miniot!!

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J_A_M
 Post subject:
PostPosted: Mon Sep 05, 2005 10:30 pm 
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1360cc
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now that I didn't know!!! :shock:

Nuttin inside this one!
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drmini in aust
 Post subject:
PostPosted: Mon Sep 05, 2005 10:32 pm 
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Use a S/S scouring pad... pot scrubber. :wink:
Really it's not a proper oil separator, you need a centrifuge for that- the mesh is a flame trap.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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gafmo
 Post subject:
PostPosted: Mon Sep 05, 2005 10:37 pm 
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Location: Baulkham Hills
Mate how thin was the oil...or as you said water...maybe it just moister rising...I'd don't i'd be to worried...degrees it and out the a bling it and put a put one of those realy course scorers dowqn it with a stick..just dont use steal wool as it will find its way down to the bottom and that wont be good for the dyno Day :wink:

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Gilly
 Post subject:
PostPosted: Sat Nov 26, 2005 9:05 pm 
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Joined: Tue Jun 07, 2005 9:34 pm
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Location: In Your Roof
Question are these side plate breathers fitted standard on a Mark 1 1275 S block?
If so would the plates and breather from the 998 motor be advisable to use on the S block?
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J_A_M
 Post subject:
PostPosted: Sat Nov 26, 2005 9:23 pm 
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Cooper S ones are the same as late 998 (76 onwards). They use a thicker rubber seal than the thinner cork gaskets. They have a deeper groove that the seal sits in.

I know this because I fitted thin cork ones in JAM (late 998 block) and it leaked big time. Karcraft sold me the Cooper S ones and now not a drop :D
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Gilly
 Post subject:
PostPosted: Sun Nov 27, 2005 12:18 pm 
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so the 998 breather is all ok to use with 1275 Cooper block.
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gafmo
 Post subject:
PostPosted: Sun Nov 27, 2005 2:24 pm 
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Location: Baulkham Hills
Yes but get the Rubber Gaskets 8)

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J_A_M
 Post subject:
PostPosted: Sun Nov 27, 2005 7:21 pm 
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Yes Gill....any will fit, but get gaskets to suit the one you use.
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