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Author: Subject:  Oil leak, found source, need help (please)
MemberHendrikO
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posted on January 19th, 2015 at 08:17 PM
Oil leak, found source, need help (please)


Hey, I noticed an oil leak a few weeks ago but only recently was able to take a good gander at it. Its coming from where the bottom part of the black cylinder (right of the picture) meets the top part via clips. There was no o-ring and the pipe connected to the top on the left of the image is cracked slightly - could these cause it?

Any help is super greatly appreciated :) ( keep in mind I'm a layman so don't get too technical with me)

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posted on January 20th, 2015 at 05:51 AM



It is your air filter / oil breather set up

I am guessing it is an oil bath type and should have an oil ring.

May take time finding.

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posted on January 20th, 2015 at 09:02 AM



I think you're right with the 'oil bath setup'. I took off the bottom part and there was a fair amount of oil in there... Like a bath.
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posted on January 20th, 2015 at 07:42 PM



Quote:
Originally posted by HendrikO
I think you're right with the 'oil bath setup'. I took off the bottom part and there was a fair amount of oil in there... Like a bath.

There is also an oil level line inside it is red and on the outside it is stamped into the housing with an arrow pointing to the level. The "O' ring seal could be cracked/missing or the unit overfilled,It is important that the tube to the carburettor is not cracked/split as it lets dust into the engine.
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posted on January 22nd, 2015 at 08:27 PM



Thanks for that, I'm having trouble finding an o ring suitable for the oil bath though? Can't seem to find it online. Is there a link you could perhaps send me for the o ring? Seems to be invisible to my google searches.

Thanks for the response/s so far!
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posted on January 24th, 2015 at 04:47 PM



There is no rubber "O ring" between the bottom and top of the oil bath air cleaner, just metal formed to a O shape on the top piece, that mates with the bottom canister.
This metal to metal seal must be in good condition - check for dints or the edges folded in.

As previously stated, only fill to red line inside canister




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posted on February 5th, 2015 at 10:22 AM



Hey, thanks for the advicr, everything you're saying looks to be true, it fits well enough so I'm just gonna fill it up and see how it goes, maybe I just went over a speed bump a little fast and spilled some oil that way.

One final question, which oil should I use to fill it up? Just the recommended motor oil (SAE30)? or is there a particular oil?

Thanks
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posted on February 5th, 2015 at 02:00 PM



Any (clean) oil can be used. Can use left-overs etc. Some of the engine oils are very thick, so we changed to using left-over ATF instead, which are quite thin (roughly like 5W-20 or 10W-30) and maybe allows easier engine breathing... Also can tell it apart from engine oil if it seeps out...!
Drain and wipe out the lower part of the bath first. The top part containing metal gauze can be soaked in kero if it is dirty (NB. Keeping It Upright!); then allow that to drain off completely before re-assembling (can leave on rags or paper to dry out).




ACE 30 & ACE 40 oil: specially formulated for your Air Cooled Engine...
Delivery free Outer Eastern Melb. & Dandenong Ranges.
from$19 for 2.5L (spot-on for 1 fill, re-use bottle to measure), or $29 for 5L (2 fills)
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posted on February 5th, 2015 at 02:11 PM



Thanks a lot! Appreciate all the help with this, sorry if it seems trivial but it looks to be pretty hard to find info about it else where. :)


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