Odd noise at precisely 3500 revs

[JLW]

Thanks- it’s going in for the 600 mile service on Monday so hopefully they’ll locate the cause and fix it

[JLW]

My 600 mile service became due whilst I was on holiday, after a 350 ride to where I was staying on vacation. On route to the Kawasaki dealer I noticed that the odd noise that had been bugging me was now absent. The long ride must have sorted out whatever was causing it!

(Although knowing my luck it will return as soon as I get back home )

[Prof J]

My 600 mile service became due whilst I was on holiday, after a 350 ride to where I was staying on vacation. On route to the Kawasaki dealer I noticed that the odd noise that had been bugging me was now absent. The long ride must have sorted out whatever was causing it!

(Although knowing my luck it will return as soon as I get back home )

I think your holiday some how helped to sort it out!

[JLW]

Grrrrrr - it came back. Going in for diagnostics in a week or so.

[Prof J]

Grrrrrr - it came back. Going in for diagnostics in a week or so.

If you put your bike on the center stand, and throttle it to 3500K RPM, will it show it's self?

If so, maybe pick up an engine sound stethoscope, and have a friend hold the RPM, while your 'listen' around your bike. Engine sound stethoscopes can be pretty cheap, and work very well.

[danham]

Grrrrrr - it came back. Going in for diagnostics in a week or so.

If you put your bike on the center stand, and throttle it to 3500K RPM, will it show it's self?

If so, maybe pick up an engine sound stethoscope, and have a friend hold the RPM, while your 'listen' around your bike. Engine sound stethoscopes can be pretty cheap, and work very well.

Good advice. A "poor man's" stethoscope can be improvised using a screwdriver with a long shaft. Put the blade where you would put the stethoscope tip and put the handle against the bone just forward of your ear opening.

-dan

[JustinP]

Grrrrrr - it came back. Going in for diagnostics in a week or so.

If you put your bike on the center stand, and throttle it to 3500K RPM, will it show it's self?

If so, maybe pick up an engine sound stethoscope, and have a friend hold the RPM, while your 'listen' around your bike. Engine sound stethoscopes can be pretty cheap, and work very well.

Good advice. A "poor man's" stethoscope can be improvised using a screwdriver with a long shaft. Put the blade where you would put the stethoscope tip and put the handle against the bone just forward of your ear opening.

-dan

Harbor freight has one for 4 bucks.

[JLW]

The noise was a screw on my sat nav bracket that finger tightens into the sat nav to secure it. When unscrewed it is suspended by a spring. It seems 3500 revs was the resonant frequency. Explains why the sound seemed to be coming from my helmet - it was only inches away from the sat nav bracket. It also explains why the noise went away when I rode the bike on vacation- it was screwed into the sat nav then. Happy now

[PhukDD]

Lol ...glad you figured it out

[Prof J]

Another mystery bites the dust. Congrats.