How to remove seized oil filter housing

arancia said:
Seized? Which motor?
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I'm guessing it's his 1200 triple. So it would be part #3 below. It's not an easy thing to grab hold of, but it should just fall off when the nuts are removed. If it's stuck, it might be that some previous owner has used some kind of bomb-proof gasket cement on it. Could also be that the O-ring has perished and adhered to the case. Try a bit of gentle heat and tap around the edges with a soft hammer to break the grip of any sealant.
 

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Dellortoman said:
I'm guessing it's his 1200 triple. So it would be part #3 below. It's not an easy thing to grab hold of, but it should just fall off when the nuts are removed. If it's stuck, it might be that some previous owner has used some kind of bomb-proof gasket cement on it. Could also be that the O-ring has perished and adhered to the case. Try a bit of gentle heat and tap around the edges with a soft hammer to break the grip of any sealant.
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Thanks have tried tapping and heat but it’s corroded onto the 3 studs will try removing studs with the old double nut technique
 
townsend846 said:
Thanks have tried tapping and heat but it’s corroded onto the 3 studs will try removing studs with the old double nut technique
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Can I suggest not removing the studs they may snap if they are corroded then you have another issue.
Tip the bike over on its side, I assume the oil is out and the headers are off soak where the studs penetrate the housing base, we have a great penetrant here is Aus called yield, then tap away with heat and it will separate. Just be gentle and calm.
 
mauricejota7604 said:
Can I suggest not removing the studs they may snap if they are corroded then you have another issue.
Tip the bike over on its side, I assume the oil is out and the headers are off soak where the studs penetrate the housing base, we have a great penetrant here is Aus called yield, then tap away with heat and it will separate. Just be gentle and calm.
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Thanks Maurice I’ll give it a try
 
here in UK you would more easily find Laco Rustbuster, it is VERY good when items are seized by galvanic action, which may be the case here with the mixed metals of the studs and the alloy, when you get it off, "clear" the stud holes by pushing a 6.5mm hss drill through each hole, obviously fit a new O ring but also a dab of copper slip on the studs will work wonders, there should be a plain washer, a spring washer and a nut on each stud.

If it is really still not budging, consider a method that destroys the filter plate rather than the crankcases, (drill tap slide hammer etc) you will find another filter plate without too much trouble, I doubt it will come to this.
CLEM
 
CLEMTOG said:
here in UK you would more easily find Laco Rustbuster, it is VERY good when items are seized by galvanic action, which may be the case here with the mixed metals of the studs and the alloy, when you get it off, "clear" the stud holes by pushing a 6.5mm hss drill through each hole, obviously fit a new O ring but also a dab of copper slip on the studs will work wonders, there should be a plain washer, a spring washer and a nut on each stud.

If it is really still not budging, consider a method that destroys the filter plate rather than the crankcases, (drill tap slide hammer etc) you will find another filter plate without too much trouble, I doubt it will come to this.
CLEM
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Thanks, got it to move and off with oxyacetylene and small toffee hammer and rust off penetrant and prybar, new oring and lashings of copper slip , thanks everyone for great advice
 
AndyW said:
After all that effort and several inches of Forum space, you could have left it alone for another 20 years or so <rolls eyes>...
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Had to have a look in there after 20 years andy as a family of mice could have moved in ,was relieved when it was spotlessly clean but peeved at the amount of time to remove it
 
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