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About LinkBacksGot a question for motor builders or someone in the know. I have a noise that is rpm sensitive, starts just above idle and speeds up with rpm. It is not the valves just checked them and adjusted them to within tolerances. Replaced the cct also. Could it be cam chain, rod bearings or crank bearing? Can anyone point me in the right direction? Thanks Brad
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motor noise
This is a discussion about motor noise within the Tuning Performance section, where you will Engine mods-Tuning talk for all Sport Bikes Every little bit helps!; Got a question for motor builders or someone in the know. I have a noise that is rpm sensitive, starts just above idle and speeds up with rpm. It is not the valves just checked
- 07-24-2010, 06:29 PM #1Moving up the Ladder
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motor noise
wide-open throttle 'til you see god then hit the brakes!!
'98 ZX9R (998, Hays convertable, Team Masher Racing, Vortex Racing, Klotz Lubricants, APE)
'99 Ducati 996 Biposta
'04 Yamaha Warrior
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- 08-01-2010, 09:45 PM #2Moving up the Ladder
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Re: motor noise
funny, not one person.
wide-open throttle 'til you see god then hit the brakes!!
'98 ZX9R (998, Hays convertable, Team Masher Racing, Vortex Racing, Klotz Lubricants, APE)
'99 Ducati 996 Biposta
'04 Yamaha Warrior
- 08-01-2010, 09:50 PM #3Senior Member
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Re: motor noise
If its a gsxr 1000 its in the rod bearings.
Originally Posted by johnnyracer 
2010 CRAZY 8 CHAMPION.........
2008 BUSA Its slow but it does what it needs to. (8:88)
- 08-01-2010, 10:25 PM #4Moving up the Ladder
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Re: motor noise
Exhaust leak maybe!
- 08-02-2010, 01:55 AM #5Almost A Senior Member
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Re: motor noise
drain the oil and drop the oil pan.
2006 GSX-R 1000
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- 08-02-2010, 11:23 AM #6Moving up the Ladder
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Re: motor noise
Its a Ducati right? Don't they all sound like sh*t? I heard a brand new 1098s and it's valvetrain was so noisy that I thought it was coming apart.
- 08-03-2010, 07:41 PM #7Moving up the Ladder
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Re: motor noise
Sorry no its not a Ducati!! It is a zx9 should have said that earlier. Thanks for the concern and the Duc tho.
Not an exhaust leak, going into the bottom this weekend and check it out.wide-open throttle 'til you see god then hit the brakes!!
'98 ZX9R (998, Hays convertable, Team Masher Racing, Vortex Racing, Klotz Lubricants, APE)
'99 Ducati 996 Biposta
'04 Yamaha Warrior
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