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Author Topic: Is this swingarm too rusty to be saved?  (Read 2494 times)

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Offline Juan1

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Is this swingarm too rusty to be saved?
« on: July 28, 2013, 10:54:35 PM »
My swingarm looks pretty rusty, though there is still paint on it.  Every time I scratch the black paint it reveals rust underneath.  Should I purchase a new swingarm, or cam the miracle of sandblasting and powdercoating salvage this guy?
« Last Edit: July 28, 2013, 10:58:17 PM by Juan1 »
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Offline RAFster122s

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Re: Is this swingarm too rusty to be saved?
« Reply #1 on: July 28, 2013, 10:58:49 PM »
Sandblasting and paint or powdercoat can save it. It is a K swingarm from a 750 or 550?
I have an 550F swingarm for sale that has been powdercoated and new needlebearings installed.
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Offline Juan1

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Re: Is this swingarm too rusty to be saved?
« Reply #2 on: July 29, 2013, 01:31:01 AM »
CB750 k8.  Thanks for the response.
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Offline MoMo

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Re: Is this swingarm too rusty to be saved?
« Reply #3 on: July 29, 2013, 03:14:25 AM »
Normal wear, as long as you can tap the area with a ballpeen hammer and get a solid ring you are good to go...Larry
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Offline kghost

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Re: Is this swingarm too rusty to be saved?
« Reply #4 on: July 29, 2013, 04:22:11 AM »
That's what usually happens.

Seems Honda loved paint but not a sealer primer.

So they often rust under the paint.

Almost always surface rust. Inspect it after sand blasting. If it looks good use it.
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Offline Xnavylfr

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Re: Is this swingarm too rusty to be saved?
« Reply #5 on: July 29, 2013, 07:50:25 AM »
The biggest problem with swingarm rust was the BATTERY!! For some dumb reason  they built these bikes with the battery vent/overflow tube so they drip right on the swingarm.
If you don't take care of the cause (BATTERY LEAK) you'll still have the same effect. A rusty swingarm eventually.

Get a AGM battery, no ACID to leak.

Xnavylfr(CHUCK)
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Offline kghost

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Re: Is this swingarm too rusty to be saved?
« Reply #6 on: July 29, 2013, 03:24:25 PM »
Quote from: Xnavylfr on July 29, 2013, 07:50:25 AM
The biggest problem with swingarm rust was the BATTERY!! For some dumb reason  they built these bikes with the battery vent/overflow tube so they drip right on the swingarm.
If you don't take care of the cause (BATTERY LEAK) you'll still have the same effect. A rusty swingarm eventually.

Get a AGM battery, no ACID to leak.

Xnavylfr(CHUCK)


Lol chuck. Very true....unless you have a long tube. Then it just rusts the centre stand
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Offline Powderman

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Re: Is this swingarm too rusty to be saved?
« Reply #7 on: July 29, 2013, 03:31:28 PM »
You'll be surprised if you have it professionally blasted it will be afresh virgin metal arm and you won't believe how nasty it was before. Then just have it powder coated. Battery acid won't effect it like paint.
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