Removing damaged strainer bolt.

emseedee

Member
I’ve been doing an oil change (For the first time since I got it) on my 2013 C650GT and I’ve hit a bit of a snag: the head of the strainer bolt is quite badly smeared, to the point where I cant get it out with a 17mm socket. I managed to drain most of the oil via the filter and main drain plug (it took about 2.6 litres to refill, so only 0.5 litre left in), so I’m happy to ride the bike until I can get a new bolt and work out how to remove the old one.

Has this happened to anyone else, and how would you recommend removing the damaged bolt?

Thanks

Mike
 

justscootin

Member
Wow what a coincidence i have not been on this forum in quite some time.
I have a 2013 and have been doing oil changes (about 8 times now) since the beginning and never have a problem.

Then I have a friend that had the same as what happened to you (He came crying to me) so I got him to order a new one and then I drilled a quarter inch hole just till the tip went through (you will see oil) in the old one and the used an extractor to take it out. Took 2 minutes my friend was extremly happy

Check your oil level again with the dipstick you may have to much in there and can blow the head gasket. If needed remove some oil with a large syringe or siphon

Good luck
 
Last edited:

emseedee

Member
You were right about the oil level - I had to remove some with a syringe. I'll buy a new drain plug and then try your method of removing the plug the next time I do an oil change.

Thanks for your help
 

bioscan57

New member
I’ve been doing an oil change (For the first time since I got it) on my 2013 C650GT and I’ve hit a bit of a snag: the head of the strainer bolt is quite badly smeared, to the point where I cant get it out with a 17mm socket. I managed to drain most of the oil via the filter and main drain plug (it took about 2.6 litres to refill, so only 0.5 litre left in), so I’m happy to ride the bike until I can get a new bolt and work out how to remove the old one.

Has this happened to anyone else, and how would you recommend removing the damaged bolt?

Thanks

Mike
 

Ceesie76

Active member
Several methods available. Heating up the surrounding metal should help. I would take hefty visegrips to it and see if that moves it. There are special bolt extractors available that grip the head tighter as you turn counter clockwise. And you can weld metal to the head that you can then use to undo it.
I guess quite important not to overtighten this bolt.
 

emseedee

Member
Several methods available. Heating up the surrounding metal should help. I would take hefty visegrips to it and see if that moves it. There are special bolt extractors available that grip the head tighter as you turn counter clockwise. And you can weld metal to the head that you can then use to undo it.
I guess quite important not to overtighten this bolt.
From what I recall, the hex part of the plug head is very short, and then there’s a flanged collar that bears against the engine casing. I’ve tried the big vice grips, but there’s not really enough metal to grab hold of, and I don’t think my welding skills are up to the job of attaching something to the plug without overheating the alloy of the engine.

At the moment, I think I’m going to try cutting a notch into the edge of the head with a dremel, and then try unscrewing it by using a drift. If that fails, I’m not sure what happens next, but I’ll think of something.
 

Ceesie76

Active member
You can also do what justscootin described in the second post in this thread. But the drift method should also work, I believe.
 
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