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18th June 2012
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Senior Chief Harley Engineer
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Join Date: Dec 2011
Location: under a roof
Posts: 1,060 Sportster/Buell Model: xlh 1000 Sportster/Buell Year: 1977 Sportster/Buell Model #2: XLCH 1000 Sportster/Buell Year #2: 1979 Other Motorcycle Model: XLCH Other Motorcycle Year: 1969
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just chased down a rattle on my bike today, one of the front motormounts on the frame was loose, the tube spacer was ratteling.
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18th June 2012
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Master Bike Builder
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Join Date: Apr 2012
Location: Mojave Desert
Posts: 2,047 Sportster/Buell Model: 1200S Sportster/Buell Year: 2002 Sportster/Buell Model #2: XLH883 Sportster/Buell Year #2: 2003 Other Motorcycle Model: Triumph Bonneville Other Motorcycle Year: 2012
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Quote:
Originally Posted by randy3934
just chased down a rattle on my bike today, one of the front motormounts on the frame was loose, the tube spacer was ratteling.
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Good points from you and 2007low. Even a new bike needs a thorough going over to check for loose fasteners. However, I thinking lugging it is an issue, regardless of any resulting rattles.
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18th June 2012
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Senior Chief Know It All 2nd Class
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Join Date: Oct 2007
Location: Southwestern Minnesota
Posts: 1,451 Sportster/Buell Model: XL1200 Low/TTS/Gronked Sportster/Buell Year: 2007 Sportster/Buell Model #2: XLCH1000 Sportster/Buell Year #2: 1975
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[QUOTE=sportsterdoc;4014564]Good points from you and 2007low. Even a new bike needs a thorough going over to check for loose fasteners. However, I thinking lugging it is an issue, regardless of any resulting rattles.[/QUOTE]
Yeah that definitely helps amplify em doesn't it?
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U.S.A.F. Veteran
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18th June 2012
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Master Bike Builder
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Join Date: Apr 2012
Location: Mojave Desert
Posts: 2,047 Sportster/Buell Model: 1200S Sportster/Buell Year: 2002 Sportster/Buell Model #2: XLH883 Sportster/Buell Year #2: 2003 Other Motorcycle Model: Triumph Bonneville Other Motorcycle Year: 2012
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[quote=2007Low;4014572]
Quote:
Originally Posted by sportsterdoc
Good points from you and 2007low. Even a new bike needs a thorough going over to check for loose fasteners. However, I thinking lugging it is an issue, regardless of any resulting rattles.[/QUOTE]
Yeah that definitely helps amplify em doesn't it?
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Yep
438th Air Police Squadron, McGuire AFB, 66-67
636th Security Police Squadron, Clark AB, 67-68
405th Fighter Wing, Clark AB, Danang AB, Udorn RTAFB, 68-69
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18th June 2012
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 24,000 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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It took me half a riding season to track down a top end noise from the rear cylinder. I'll make the story short. It was the snap-button for the visor of my helmet.
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18th June 2012
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Greasemonkey
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Join Date: Jul 2010
Posts: 145 Sportster/Buell Model: XLX Sportster/Buell Year: 1985
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agree on the lugging, find the sweet spot in the rpms and try to stay in that range, not too much, not too little, except for when ya need that boost... Being new you may have to get a feel for what an ironhead is supposed to do. Get away from traffic if ya have to and ride it hard to see where it goes... I been havin a good time with my rebuilt 85, nice sweet spot but has a little ways to go yet...
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18th June 2012
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Senior Chief Harley Engineer
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Join Date: Dec 2011
Location: under a roof
Posts: 1,060 Sportster/Buell Model: xlh 1000 Sportster/Buell Year: 1977 Sportster/Buell Model #2: XLCH 1000 Sportster/Buell Year #2: 1979 Other Motorcycle Model: XLCH Other Motorcycle Year: 1969
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Hahahahaha, I think I know where your noisemaker is, same one I had, grab your front caliper and shake it, sound familiar?, if that's it I've got a cure for ya, Hopper has one for it too.
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18th June 2012
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 24,000 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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OP has a 1974. It is the 1978-83 dual front calipers that have the rattle.
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18th June 2012
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Greasemonkey
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Join Date: Jun 2011
Posts: 121 Sportster/Buell Model: XLH Sportster/Buell Year: 1975
Reputation: 144
 
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My 75 pie style caliper rattles, it's not just the duel disk!!
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18th June 2012
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Rider Of The Iron Steed
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Join Date: Dec 2003
Location: London, ON Canada
Posts: 24,000 Sportster/Buell Model: XLH Sportster/Buell Year: 1978
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For rattling front calipers on 78-83 you need to replace the bushings in the forks, the ones the mounting bolts go thru. Possibly same for other models?
Not a hard job - tap out the old, tap in the new. Be careful to not mushroom the end as you tap it in.
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