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A picture of what is wrong.

  • Thread starter Thread starter KRISTI'SGS550
  • Start date Start date
K

KRISTI'SGS550

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I have one of these on my CB650 that seems to be stuck. If you don't know what it is, it is an oil filter bolt. This bolt holds the cover over the filter and the filter in place. I cannot get it out and I need the wise advice of the GS Resources.

What I have tried: I tried cutting a grove in the bolt so I could stick a huge flathead screw driver in it. I thought using vise grips and a huge flat head screw driver I could get some umph on the bolt and "break" it loose. Well I broke the huge screw driver, good thing it was a Craftsman.

I tapped the sucker with a ballping hammer for about an hour, no budgey.

I used my nifty Impact Driver, that hasn't failed me yet, it failed.

The reason I can't put a socket on the head is because the PO before me or the PO before him stripped the crap out of it. The head is so bad it is almost rounded.

I was thinking I would top off the oil, since it is a little low, and running the engine for a few minutes, making the engine a little warm. I think I can turn it easier with a warm engine. What do you think? Any other ideas on turning this stupid bolt. I was also thinking a big bolt extractor, since I am going to replace the bolt anyways, but I am not sure if that will work.

What should I do guys and gals?

Cory
 
Put in clean oil, put it all back together, put it on Craigslist.
It's a Honda anyway.
 
Good point, buy a nice GS, get it running, and then put the Honda on craigslist.
 
yeah, my next bike will be another GS, but it will probably be a newer 500. Until then, because I am poor, I need some good tricks to get my bolt out, so I can replace it and the oil filter.

Cory
 
I was actually wondering about that. I need to find someone with a spare afternoon to come weld a handle onto it. I was hoping there was some more things I could try before going that far.

Cory
 
I can get vice grips on it, but they slip off. Is there anything I can put in the head to prevent the vise grips from slipping off? Someone at the motorcycleforum.com suggested I use my dremmel and grind the bolt back to shape so a socket will once again fit. I still think I will need to warm the engine to loosen the bolt. I don't think the bolt is coming out cold.

Cory
 
I've found that using one large pair of vice grips parallel to the bolt and gripping the bolt and a second smaller set of vice grips attached perpendicular to the the bigger grips and a hammer work well.
 
That would work great, but I don't think I have enough bolt to put two pairs of vise grips on it. I have about half an inch. That is what you mean correct? Or is one pair of vise grips gripping onto the other? I think we might be on to something. What do you do with the hammer?
 
salty_monk,
thanks for the link I will look into purchasing a set of these. I am curious to the, "will ship in 30 or more days", they must be out. I will search around for another dealer.

Also I have used penetrating oil, but due to the bolt being parallel to the ground and the threads being so far down the bolt I don't think anything is making it to them. Plus there is a ring at the top of the bolt that prevents water and debris from entering the hole, so it also is preventing the oil from flowing as well.

Thank you for the great ideas.

Cory
 
I found the Irwin bolt grip 5 pcs set locally for $20. I think I might have to go get it tomorrow and try it out. It still would be a good idea to run the engine first, right? Or do you think these would work with a cold engine?

Cory
 
Do you have space to be able to file two flat sides on the bolt head so you can get a standard open end wrench on it?

Earl
 
Good luck with this one. I had a CB650 for 10 years and had almost constant trouble with this particular bolt. Assuming the filter housing is still in place, I can't see that penetrating oil can help you -- can't get to the threads, right? I do suspect that warming it up is a good idea.

Naturally, since this is a bugger, if you can obtain a professional tool for extraction, you'll have more success. However, if your looking to try some different things first, think about this:

File two flat sides on the bolt (directly opposite of each other!). Find a box end wrench that fits what's left of the bolt head. Apply torque!

It's not foolproof and you have to be patient (do a good job filing nice flat surfaces...this is where I usually get lazy and screw up the whole job). Another problem could be that given it's really stuck, the resulting "head" may not provide enough surface to get sufficient torque.

However, I think this might be easier and more effective than "re-heading" with a dremel.
 
Are your vise grips top quality? I had a similar problem and my "great neck" brand vise grips couldn't swing it. I had to get a nice pair of napa lifetime to get it off.

You can get a cheap set of bolt extractors at harbor freight, if you want to chance that level of quality.

Like previously mentioned, you can try filing. Might as well, because the bolt extractor is going to total that bolt.
 
i've had good luck with rounded bolt heads by tapping on the next lower size socket/box end ( 6 point only! ) and going from there. if you can get another bolt, the other thing you could try if nothing else works is getting a die grinder and cutting the head off the bolt so you can remove the cover, then getting the rest of the bolt removed with so much more to grab on to. buddy of mine had a 78 cb750k.. similar problem. thats what we ended up doing.
 
Wow, you guys are great. I have a lot of great ideas to try today. I hope one of these will work! They all seem to make sense and it sounds like everyone has experience to back the ideas up with. I will try all I can and report back.

Cory
 
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