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post #1 of 15 Old 07-13-2014, 5:33 AM Thread Starter
 
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Seized bolts

Hey all!

I've just changed the chain and sprockets on my 97 fireblade, and the job went fairly smoothly. It seems that riding though the Swedish winter has had some adverse affects, however.

Unfortunately my right side chain adjuster bolt has seized. The head was already partly rounded off before I put a socket on it, and I managed to round it completely off I covered the rear brake and drenched the adjuster assembly in spray lube, but the **bleep** just won't budge and i can't get much grip on it now.

I'm having the same problem with the rear brake caliper pad pin plug. The sucker does not want to come off.

I thought about going to the motorcycle junkyard and asking if they could help, but I figured I'd ask here first. Any ideas?


Pictures: Seized bolts - Imgur
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post #2 of 15 Old 07-13-2014, 6:04 AM
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Re: Seized bolts

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Originally Posted by opisth View Post
Hey all!

I've just changed the chain and sprockets on my 97 fireblade, and the job went fairly smoothly. It seems that riding though the Swedish winter has had some adverse affects, however.

Unfortunately my right side chain adjuster bolt has seized. The head was already partly rounded off before I put a socket on it, and I managed to round it completely off I covered the rear brake and drenched the adjuster assembly in spray lube, but the **bleep** just won't budge and i can't get much grip on it now.

I'm having the same problem with the rear brake caliper pad pin plug. The sucker does not want to come off.

I thought about going to the motorcycle junkyard and asking if they could help, but I figured I'd ask here first. Any ideas?


Pictures: Seized bolts - Imgur
I can't see spray lube helping, you need a penetrating oil like WD40.
And maybe try heating the aluminium around the bolts to break the grip.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #3 of 15 Old 07-13-2014, 7:29 AM Thread Starter
 
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Re: Seized bolts

Ah good idea with heating it up. I've got a heat gun for heat-shrink tubing that should work for that!
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post #4 of 15 Old 07-13-2014, 11:56 AM
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Re: Seized bolts

I'm not sure he meant a heat gun, usually a handheld propane torch of some kind? Obviously depending how much heat your gun puts out. Just be a careful if you end up using a torch. It will melt rubber, etc. For the brake pad pin cap, you might have to drill out the center (carefully so as not to drill into the socket portion of the pad pin itself) and use an extractor.

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post #5 of 15 Old 07-13-2014, 11:59 AM
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Re: Seized bolts

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I'm not sure he meant a heat gun, usually a handheld propane torch of some kind? Obviously depending how much heat your gun puts out. Just be a careful if you end up using a torch. It will melt rubber, etc. For the brake pad pin cap, you might have to drill out the center (carefully so as not to drill into the socket portion of the pad pin itself) and use an extractor.
Heat gun is usually sufficient, that's all I use to remove and install crank bearings in dirt bike engines.

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post #6 of 15 Old 07-13-2014, 12:14 PM
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Re: Seized bolts

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Heat gun is usually sufficient, that's all I use to remove and install crank bearings in dirt bike engines.
Ahhhh, very well then. Figures, every time I've had something seized up an acetylene torch would never be enough heat. Just bad luck I guess.

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post #7 of 15 Old 07-13-2014, 12:56 PM
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Re: Seized bolts

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Ahhhh, very well then. Figures, every time I've had something seized up an acetylene torch would never be enough heat. Just bad luck I guess.

Yeah, I wouldn't recommend pointing an acetylene torch at aluminium :-)
The temperature rises too fast with a torch, at 499C it'll look just like it did at room temperature...at 500C it suddenly becomes a shiny puddle :-)

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post #8 of 15 Old 07-13-2014, 1:43 PM Thread Starter
 
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Re: Seized bolts

It's pouring rain today, but I'll pop down tomorrow and give it a shot. I'll let you know how it goes.

Thanks!
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post #9 of 15 Old 07-14-2014, 7:18 PM
 
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Re: Seized bolts

Give it a couple of good raps with a hammer that may help break any corrosion. Don't beat it to death though!
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post #10 of 15 Old 07-14-2014, 9:24 PM
 
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Re: Seized bolts

i assume you already rubbed it gently and spoke sweet nothings to it before you tried to get it loose?....
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post #11 of 15 Old 07-14-2014, 9:28 PM
 
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Re: Seized bolts

A) PB Penetrating fluid. Also sometimes called peanut butter. give it at least 15 - 20 minutes to soak. An hour is better.

B) Heat gun, mine adjust al the way up to 800F degrees, that's HOT!

C) put a punch on the bolt head, and give it a wrap with a hammer. That'll help break it loose.

D) Vise grips for the rounded bolt head.

E) Patience.

F) Optional - beer.

Good Luck
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post #12 of 15 Old 07-15-2014, 3:36 AM Thread Starter
 
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Re: Seized bolts

I spent an hour trying to wrestle them loose, to no avail. I don't have an impact screwdriver, so it was an uphill battle. I have admitted defeat and am going to go to motorcycle scrapyard today :*(


But thanks to everyone for your advice!

Last edited by opisth; 07-15-2014 at 3:43 AM.
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post #13 of 15 Old 07-15-2014, 3:53 AM
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Re: Seized bolts

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Originally Posted by opisth View Post
I spent an hour trying to wrestle them loose, to no avail. I don't have an impact screwdriver, so it was an uphill battle. I have admitted defeat and am going to go to motorcycle scrapyard today :*(


But thanks to everyone for your advice!


I would think removing them would still be easier, quicker and cheaper than replacing the swingarm and caliper.
Usually the retaining pin under the plug will be fine, so drilling the plug out should be all that's required to fix the caliper.
The chain adjuster you can file two flats on it and try unscrewing it that way, also applying heat. Or weld a bar to the end of the bolt.
Or drill the bolt out completely.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #14 of 15 Old 07-15-2014, 3:59 AM Thread Starter
 
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Re: Seized bolts

Ah yeah, I guess I was unclear about it. I was going to the scrapheap because they probably have more tools to get the bolts loose since they disassemble old bikes all day long. When I moved to Sweden, I had to leave all my tools behind and have only the most basic ones left. My thought was that they would have an extractor for the plug, and whatever tools necessary to break the chain adjuster loose.
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post #15 of 15 Old 07-15-2014, 4:06 AM
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Re: Seized bolts

Yeah, that sounds a little less drastic. lol Hope they can help you out.

My 99 900RR Track Build Link:Track Build 900RRX

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