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Old 04-01-2009, 09:06 AM
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Default Honda BF 225 Oil drain bolt?

The oil drain bolt on my Honda BF 225 is stuck. I have not yet rounded the bolt head but
a few more trys and I might be there. I don't know if the dealer who last year
changed my oil overtorqued the bolt but it will not move. I have already ordered a new
drain bolt and when I get back in town on Friday I'll give it another try. Any suggestions?
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Old 04-01-2009, 09:43 AM
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I'm dealing with the exact same thing on my 2008 Suzuki's....I assume you have the means to turn the screw driver with enough force (i.e. large mechanics screw driver with a wrench to turn it) but the head is popping out. I had a piece of the bolt head snap off and break the skin on my face. Anyway the consensus I have found is to use an impact driver. I will not have the chance to test this until next week but hopefully that will do the trick!
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Old 04-01-2009, 09:54 AM
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The Honda's drain bolt is a hex head 12mm.
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Old 04-01-2009, 10:45 AM
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Suzuki oil change is a large allen head hex. Matt is thinking of the lower unit drain.

DC, have you tried some penetrating oil or good old wd-40 on the bolt? Spray it down a few times, wait a day, do it again, etc. Eventually it should work its way in. Might also try adding some heat/cold to it to help let the spray work its way into the threads.
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Old 04-01-2009, 11:05 AM
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Also if you aren't using one already, I would suggest using a 6 point socket as it will fit the bolt head a lot more closely and so is much harder to strip.

Ken
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Old 04-01-2009, 11:06 AM
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I sprayed some WD-40 before I took it back to the storage lot yesterday.
I ordered a new oil drain bolt and it will be here Friday and I'll give it
another try then. I didn't think of adding heat. I'll hit it with some Liquid
Wrench also a couple wacks and see what happens.
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Old 04-01-2009, 11:08 AM
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I only used a 6 point 12mm. No luck.
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Old 04-01-2009, 11:14 AM
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The impact drivers that you hit with a hammer work vey well on both Phillips and slotted head screws because the impact is transferred directly to the head of the bolt and the shock will compress the gasket enough to let it come loose. But once you put a socket on there, the game changes, becasuse when you hit the impact driver, the force is applied to the housing rather than the bolt. I've had good luck by filling the socket with hex nuts so there is just enough depth left to get as good grip on the bolt, but the force is transferred to the bolt head.
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Old 04-01-2009, 11:25 AM
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Quote:
Originally Posted by kerno View Post
The impact drivers that you hit with a hammer work vey well on both Phillips and slotted head screws because the impact is transferred directly to the head of the bolt and the shock will compress the gasket enough to let it come loose. But once you put a socket on there, the game changes, becasuse when you hit the impact driver, the force is applied to the housing rather than the bolt. I've had good luck by filling the socket with hex nuts so there is just enough depth left to get as good grip on the bolt, but the force is transferred to the bolt head.

I will echo the impact driver as well. The other thing you can do is to drill out the center of the bolt and use a screw remover.

NEVER PUT HEAT ON YOUR LOWER UNIT> NEVER Fast way to make your seals leak.
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Old 04-01-2009, 12:00 PM
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Why not take it back to the dealer and ask hurcules to loosen it for you since he tighten it soo much.

The drain bolt for the honda has a flage on it so the impact driver will connect deliver hits to the bolt itself. if it rounds off, you can try a bolt extractor, they grip pretty well especially with an impact tool. when you get it off make sure you replace the washer, if its even there
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Old 04-01-2009, 12:53 PM
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How about something like this? These are made specifically to grip bolt heads that are rounded over.

http://www.sears.com/shc/s/p_10153_1...+Taps+%26+Dies

Ken
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