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350 twin (new)

CB350 - removing rotor
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Tom Jupille

Joined:
2009-07-28 08:10:06

Posts: 5

Posted:Tuesday 28 July, 2009 8:17 AM

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Subject: CB350 - removing rotor

I'm fixing up a '73 CB350. The starter clutch has failed (among other issues!). The problem is that I can't get the rotor bolt loose. I've hammered on it with a cordless impact wrench to no avail. So (naive questions):

1. It is left = loosen, correct?
2. Is there any trick to getting that bolt off?
3. Will I damage anything if I get out "King Kong" (450 ft-lbs air impact wrench)?

Thanks in advance!

-- Tom Jupille
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Brent Dugan

Joined:
2009-07-10 03:17:31

Posts: 4

Posted:Tuesday 28 July, 2009 2:30 PM

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Subject: Re: CB350 - removing rotor

Maybe someone in the past used high strength 'Loctite' on the bolt. If so apply heat to the bolt to soften the loctite and try the impact again. Yes, it removes counter-clockwise. I hope this helps.
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Tom Jupille

Joined:
2009-07-29 21:34:30

Posts: 2

Posted:Wednesday 29 July, 2009 9:39 PM

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Subject: Re: CB350 - removing rotor

Thanks, Brent.

My only concern about applying a lot of heat (as in "propane torch") is the risk of demagnetizing the rotor. Am I being paranoid? emoticon

-- Tom Jupille
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Tom Jupille

Joined:
2009-07-28 08:10:06

Posts: 5

Posted:Thursday 30 July, 2009 8:54 PM

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Subject: Re: CB350 - removing rotor

Update: it came off. The trick was wedging the rotor in place with a brass drift wedged against the exhaust. The nut loosened nicely with a breaker bar.

The earlier problem was that the rotor drivetrain didn't have enough inertia to make the impact wrench effective.

-- tom
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Broeslie

Joined:
2004-09-29 11:51:16

Posts: 281

Posted:Tuesday 04 August, 2009 4:20 PM

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Subject: Re: CB350 - removing rotor

Hi Tom,

Good to hear that you finally got it detached.
Thanks for sharing too!

I Get From Zero To horny In Just 2.56 Beers
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