Breathing, twin

Ib-Denmark · Post by **Ib-Denmark** » Thu Apr 07, 2011 8:13 am

Hello
I have belt drive in my G12 1965 and therefore I need to find alternative breathing. "Peace of cake" I said to myself. I drilled a hole where the dynamo usually is situated in a CSR, fitted a 3/8 hose and a breathing filter under the petrol tank, no nonreturn valve. (This works wery fine in my G80), but now I have oil all over the bike. Please help me. I have not fitted nonreturn valve because I hope the oil then would find its way back as in the G80. If I fit one what will I then do with the oil? I know it has been discussed before but I really need help to go on from here!!

GSAX1 · Post by **GSAX1** » Thu Apr 07, 2011 11:11 am

Read this: http://www.bunn.co.nz/more.html

Ib-Denmark · Post by **Ib-Denmark** » Thu Apr 07, 2011 12:33 pm

Looks very interesting!
Do you have any experience with it?
If you have, where have you connected it?
Ib

ajscomboman · Post by **ajscomboman** » Thu Apr 07, 2011 12:52 pm

Non return valves are available from thinkautomotive. I've recently puchased one. Drilled the crankcases and plan to fit the breather into the back of the oiltank.

wilko · Post by **wilko** » Fri Apr 08, 2011 12:36 am

You will have to make up a shroud on the inside to deflect the oil being flung around the outlet.

rex.webb · Post by **rex.webb** » Fri Apr 08, 2011 10:19 am

All seems "VERRY COMPLICATED" ??
Shrouds ETC .
How is it in Years past no Breather has been added ?
Is it this "ETHERNOL" BUG again getting into the Engine,s ??
Ride with Care and Live Long

GSAX1 · Post by **GSAX1** » Fri Apr 08, 2011 5:30 pm

IB-Denmark: I have installed only the small "Bunn breather", with success.

These breathers are much better than ordinary PCV's for cars. Read the very useful info on his website: http://bunnbreather.bigblog.com.au/index.do

Merlin · Post by **Merlin** » Fri Apr 08, 2011 6:54 pm

Shrouds
I would think this word should be banned from our club.

Ib-Denmark · Post by **Ib-Denmark** » Sat Apr 09, 2011 4:00 pm

Almost perfect!
Wilko, Inspired from your idea of shrouds I extended the suction pipe 4-5cm into the timing side case to get free from the oil splash coming from the outlet cam shaft gear wheel. It minimized the oil mist a lot, but as I still have no nonreturn valve installed I am continuing my contact to the company recommended from GSAX1
Regards
Ib

wilko · Post by **wilko** » Sun Apr 10, 2011 6:24 am

You're welcome.