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 Another Idler Gear Boss Breakage
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Joined: Sep 2007
Posts: 198 Likes: 1
Adjunct
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OP
Adjunct
Joined: Sep 2007
Posts: 198 Likes: 1 |
Hi All, another owner on the other forum has suffered an idler gear boss breakage on his Bonnie. The Safe Start is cheap insurance against this occurring on your own air cooled Triumph twin. Don't be caught out by the only weak spot on the 2001-2016 twin engines. 
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Re: Another Idler Gear Boss Breakage
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Joined: Sep 2015
Posts: 797 Likes: 17
3/4 Throttle
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3/4 Throttle
Joined: Sep 2015
Posts: 797 Likes: 17 |
Easy mod other than cleaning off the old gasket.
Just do it.
Road Rash Heals. Freckles Grow Back. Ride
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Re: Another Idler Gear Boss Breakage
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Joined: Mar 2007
Posts: 373
Adjunct
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Adjunct
Joined: Mar 2007
Posts: 373 |
I read where his breakage occurred on an early twin. But I thought Triumph addressed this issue back in 2005 or 2006?
'06 America, Raask foot controls, the bike use to be Graphite and Silver, now its Red and Black.
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Re: Another Idler Gear Boss Breakage
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Joined: Feb 2007
Posts: 23,194 Likes: 56
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,194 Likes: 56 |
Quote:
I read where his breakage occurred on an early twin. But I thought Triumph addressed this issue back in 2005 or 2006?
That is true, I don't remember exactly what year they fixed it anymore, also do not give the bike throttle to start. My 04 never kicks back, it's tuned properly and I do not give it any throttle when starting.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Another Idler Gear Boss Breakage
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Joined: Sep 2007
Posts: 198 Likes: 1
Adjunct
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OP
Adjunct
Joined: Sep 2007
Posts: 198 Likes: 1 |
Quote:
I read where his breakage occurred on an early twin. But I thought Triumph addressed this issue back in 2005 or 2006?
Triumph did try to address the issue by adding thin buttresses either side of the idler gear boss, but this wasn't very successful, as later year bikes with the buttresses still suffer boss breakage.
I believe if Triumph had made the boss with thicker walls and thicker buttresses, the problem would have been cured, but they didn't!
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Re: Another Idler Gear Boss Breakage
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Joined: Dec 2006
Posts: 7,028 Likes: 8
New Tires
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New Tires
Joined: Dec 2006
Posts: 7,028 Likes: 8 |
Mike
It seems like ages since we've heard from you, unless I missed it. Hope all is well.
Every normal man must be tempted, at times, to spit on his hands, hoist the black flag, and begin slitting throats.
H. L. Mencken
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Re: Another Idler Gear Boss Breakage
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Joined: Sep 2007
Posts: 198 Likes: 1
Adjunct
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OP
Adjunct
Joined: Sep 2007
Posts: 198 Likes: 1 |
All is well, thanks Mac, I hope it is for you too.
I'm real busy these days and don't get time to frequent the forums as much as I used to.
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