Knock Knock, really? - Yamaha Forum : Your Yamaha Motor Products Community & Resource
One Liners Stratoliner, Roadliner, Raider, etc.

 
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post #1 of 5 (permalink) Old 07-24-2008, 12:32 PM Thread Starter
 
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Knock Knock, really?

I bought a 2006 Stratoliner, the bike is awesome, however, I have a single knock sound coming from the front cylinder area, had it in the shop 2 times and was told that the sound was normal or the tech could not hear it. I think it is really loud especially around 2600 rpm's around 65 MPH or faster, also hear it while shifting through the gears when it passes 1500 rpm's and again at 2500 rpm's. The last time I took it in, Yamaha said that they had a couple of bikes reported with a stuck valve. So the Dealer was given permission to trouble shoot that on warranty time. Still they do not claim anything wrong, Valves are not out of adjustment. I am wondering if anyone else has the same noise/knock sounds?

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post #2 of 5 (permalink) Old 07-24-2008, 01:02 PM
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I've owned four brand new sportbikes that were v-twin's and they all made a noise that sounded like a knock or a klank noise unlike anything any of my Inline fours. I am not saying your noise is normal because I have not heard it.
I have driven dozens of yamaha stars and virago's and after a while you become so used to it you are oblivious to the noise. I can say only that all twins in my opinion make more or different noise than inline fours.
If it bothers you take it to a different yamaha dealer and explain the situation to the tech. if he comes back with the same story that it is an inherent noise to the yamaha twin or if he feels it is a problem you will at least know if your noise is unique or nature of the beast.
if it is diagnosed by the other tech as normal engine noise and if this still bothers you ask for a free year extended warranty from yamaha (or purchase one if you bought the bike used) for peace of mind and hopefully it will let you enjoy your ride.
welcome to the forum

David

Last edited by macattack; 07-24-2008 at 01:21 PM.
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post #3 of 5 (permalink) Old 07-24-2008, 01:56 PM
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Welcome to the site, maybe get a second opinion from another dealer?
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post #4 of 5 (permalink) Old 08-16-2010, 08:49 PM
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i have the 2006 roadliner so we have the same 113 cubes and from what i understand from the tecs it is the sound of the exhast in the pipes that your hearing. mine dose the same thing at the same rpms and if you turn your head the knock is sinced with your sound out of the pipes. you hear your pipes when your moving slower and when you get up to speed you hear it more from the heads.. my fix is im going to cobra longshots. this will drowned out the motor sounds and will sound BADASS all in one.
if you find there is a real problem let us all know.
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post #5 of 5 (permalink) Old 04-16-2012, 10:37 PM
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Get more ideas anywhere.. maybe there is something you like...

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