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March 18th, 2009, 04:19 PM
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#1 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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Another question for the gearheads.
So, it doesn't matter what rev I get up to....
No matter what we do to the bike, we get engine 'babble' between 3-2 RPMs. Is it supposed to sound this way? Or is there something wrong with the front end? 2007 Kawasaki Ninja 250r - Near 5K miles. |
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March 18th, 2009, 04:32 PM
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#2 |
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Join Date: Nov 2008 Posts: Too much.
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babble?
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March 18th, 2009, 04:34 PM
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#3 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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Yeah, kinda like a small rattle in the front end. A valve noise.
It only happens between 3k and 2k RPMS, no where else. |
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March 18th, 2009, 05:17 PM
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#4 |
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Join Date: Nov 2008 Posts: Too much.
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does it make the noise with the bike stationary and in neutral, too?
if so, isolate where exactly the noise is coming from and a better description of the noise. I vid would help lots. 
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March 18th, 2009, 05:20 PM
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#5 | |
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Live Life
Name: Don
Location: Lincoln, NE
Join Date: Nov 2008 Motorcycle(s): 2009 Green SE Ninja 250 Posts: A lot.
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Quote:
__________________________________________________
- ATGATT - Scorpion EX700 Hi-Vis Helmet, First Gear MeshTek 3.0 Jacket, TourMaster Transition 2 Jacket and Flex Pants, Sidi Doha boots |
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March 18th, 2009, 05:21 PM
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#6 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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Can't differentiate from one side of the engine or the other.
Happens while in neut or gear. I believe the proper term is 'Valve Lash' |
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March 18th, 2009, 05:22 PM
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#7 |
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Join Date: Nov 2008 Posts: Too much.
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when is the last time the valves were adjusted?
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March 18th, 2009, 05:25 PM
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#8 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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Don't know if they ever where. Original owner never mentioned it being done.
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March 18th, 2009, 06:06 PM
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#9 |
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Join Date: Nov 2008 Posts: Too much.
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well, with no records of when it was done last, assume it was never done. The first should have been at 500 miles for the pregens and every 6k, so you're due.
http://faq.ninja250.org/wiki/How_do_..._the_valves%3F |
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March 19th, 2009, 10:03 PM
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#10 |
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ninjette.org member
Name: Jon
Location: Long Island, NY
Join Date: Mar 2009 Motorcycle(s): 2007 EX250 Posts: 91
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This might sound crazy, but I actually thought I had a similar problem and I found out that it was just my keys rattling. After I took my house keys off my bike key there was no more rattle. Hope its that easy for you.
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March 20th, 2009, 09:11 AM
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#11 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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Ah, if only the world were so perfect.
But alas, I don'y have any other keys on it. |
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March 24th, 2009, 12:45 AM
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#12 |
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ninjette.org member
Name: Frank
Location: Pasadena
Join Date: Mar 2009 Motorcycle(s): 87 Ninja 250, 90 Ninja ZX750R, GPZ 900r, 02 Moto Guzzi LeMans, 95 Triumph Speed Triple Posts: 121
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Check your clutch lever and see if it is snug in the housing, if not it will rattle as the engine rev higher and you think something broke. I put some electric tape and the noise goes away.
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March 24th, 2009, 11:24 AM
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#13 |
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Join Date: Nov 2008 Posts: Too much.
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Cory,
make a vid and capture the sound so we can hear it.... might help to find the problem. |
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March 24th, 2009, 01:11 PM
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#14 |
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ninjette.org member
Name: Cory
Location: Austin Tx
Join Date: Mar 2009 Motorcycle(s): 2009 ZX-6R Monster Edition Posts: 41
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It's in the shop getting it's maintenance done at the moment.
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March 24th, 2009, 01:28 PM
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#15 |
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Join Date: Nov 2008 Posts: Too much.
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cool.. will be interested to hear what they find as the source of your noise.
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