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Old 11-14-2012, 04:00 PM   #1
YOUNZ OP
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Important Harley twin cam info

I was over at the J&P Cycles web site, checking on a sprocket and saw an important article regarding the twin cam bikes.
Primarily, about the cam chain tensioners failing way to soon and trashing the engine.
Mostly, not covered under warranty, according to the owners comments!
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Old 11-14-2012, 04:06 PM   #2
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Quote:
Originally Posted by YOUNZ View Post
I was over at the J&P Cycles web site, checking on a sprocket and saw an important article regarding the twin cam bikes.
Primarily, about the cam chain tensioners failing way to soon and trashing the engine.
Mostly, not covered under warranty, according to the owners comments!
You're at least 5 years late on the news bud
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Old 11-14-2012, 04:35 PM   #3
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I don't own a Harley, it was posted on the site today. Apparently it's still a problem, dude.
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Old 11-14-2012, 04:50 PM   #4
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I'm not 100% sure but I think it mainly a problem for Twin-Cam motors prior to 08,
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Old 11-14-2012, 05:06 PM   #5
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THAT IS SO 2006. Late to the party again.
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Old 11-14-2012, 08:30 PM   #6
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Originally Posted by DAKEZ View Post
THAT IS SO 2006. Late to the party again.


When a manufacturer's biggest efforts go into "nostalgia", there's no surprise in that.




What could have been, and never got a fair chance.
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Old 11-14-2012, 08:42 PM   #7
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Originally Posted by Tosh Togo View Post


When a manufacturer's biggest efforts go into "nostalgia", there's no surprise in that.




What could have been, and never got a fair chance.
\

Crying shame that, they coulda sold dozens of those...
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Old 11-14-2012, 08:55 PM   #8
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That does it, I am burning my Harley. I just can't take the shame.
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Old 11-14-2012, 09:59 PM   #9
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I'm just going to ride mine till it blows up, been trying to kill it for the last 62,000 miles.
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Old 11-14-2012, 10:17 PM   #10
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Originally Posted by woodnbow View Post
\

Crying shame that, they coulda sold dozens of those...
QUIT BEING SO NEGATIVE.

I bet they would have been able to sell a hundred.

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Old 11-14-2012, 11:06 PM   #11
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It has been common knowledge that the Twin Cam motors were not reliable since they came out. The cam drive is the main issue, but the "B" version of this engine has another problem, the balancer chains. I'll say it again CHAINS DO NOT BELONG INSIDE ENGINES The gear drive helps a lot, but the engines are so much more complicated than the EVO there are many more things to go wrong. The whine is due to straight cut gears. I have a Chevy S-10 with a 350 small block with a gear driven cam. I had a choice between helical gears (quieter) or straight cut gears (noisy but stronger) I like the noise. Sounds like a blower whine.

Except for the 1981 Sturgis, all stock Harleys have had primary chains. But they seldom fail. And they are easily replaceable. If you see a Harley with a belt driven primary, it is aftermarket.

BTW, what happened to all the EVO Harleys? Back in the early to mid '90s people were waiting a year on them and paying double price. Now I hardly ever see one. I look at every one I see, and sure enough there is that oval air cleaner. Hundreds of thousands of Harleys seem to have virtually disappeared over night. Considering the EVO was made from '83-'99, how could that many have just vanished from the face of the earth?
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Old 11-15-2012, 10:55 AM   #12
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As for the Evo's disappearing: I've often wondered that myself. Prior to 1999, thee were scads of Evo's and within a year or two, they seemed like a rare sight. When the rubber mount Sporties came out, again it seemed liek all the solid mounts disappeared within one season. What happens to these bikes?
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Old 11-15-2012, 01:02 PM   #13
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Right, the chains don't break, the tensioners lose tension and the bike is sold. The other reason bikes are sold are electrical problems and dirty carbs. Older bikes, you know.
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Old 11-14-2012, 05:09 PM   #14
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Quote:
Originally Posted by EricD10563 View Post
I'm not 100% sure but I think it mainly a problem for Twin-Cam motors prior to 08,
I'm sorry to say the cam chain problem has been going on since the early 90's.
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Old 11-14-2012, 05:22 PM   #15
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Originally Posted by mitchxout View Post
I'm sorry to say the cam chain problem has been going on since the early 90's.
They didn't have chains in the early nineties.....'99 was the first year for the modern twin cam.
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