High pitch whirling sound - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 43 (permalink) Old 05-30-2013, 09:07 PM Thread Starter
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High pitch whirling sound

Ok, i went for a ride last night, and started to hear some high pitched sounds. Needless to say i was [email protected] I was like "aw man" and thinking that it may have been the stator. I just got the bike Wednesday. I take it for a ride today (this time without earbuds in my ears) to try and diagnose, and notice that it is only happening when i roll on the throttle. so i was a little relieved but unsure. I called up the dealer where i got the bike from, and they agreed to fix the issue so that was a little bit of a load off my back. I then go back to the bike to inspect because i remember someone saying something about the tic marks on the frame and something to the effect that if the pulleys aren't aligned correctly and/ or the belt is too tight then you will hear a high pitch whirly sound. Bingo! the side and right side are not on the same tic mark, so i believe that i can safely deduce that the pulleys are not aligned correctly. i hope that i am explaining myself sufficiently, i don't remember te exact details and names of things

2006 - Honda Shadow spirit 750 - 3/2013 - 5/2013
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post #2 of 43 (permalink) Old 05-30-2013, 09:33 PM
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That could be it, or it could be 1 of the 10,000 noises the 900's make. I swear I hear new noises on a daily basis on my 900. It never hurts to check things but don't be all that surprised if you don't find any problems.

I thought my old sportster was noisy, the 900 puts it to shame.
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post #3 of 43 (permalink) Old 05-30-2013, 09:39 PM
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Do a charging system voltage check "just to be sure".
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post #4 of 43 (permalink) Old 05-30-2013, 09:46 PM
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From my recent experience, sounds like you're spot on. Mine started making a clunking noise last week. After describing it on this forum, the guys nailed it...front pulley warped or out of alignment. Plus it was starting to chew up my belt. I decided to replace the belt and pulley, $608 for parts alone. The guy who checked it out said when the Kawasaki dealer who installed my Scootworks pulley tightened the belt, he made it way to tight. The mechanic said that contributed to my problem. That was 15000 miles ago. When the mechanic loosened the belt a little, the clunking went away, but for the first time I'm hearing thar whirling noise. Embarrassing!
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post #5 of 43 (permalink) Old 05-30-2013, 10:14 PM Thread Starter
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@sfair
I do not have the necessary equipment. I will consult with the dealership and have them test that as well.

@zig
I hope that is all they find, either way thet should fix. While I don't have a warranty, the place I purchased from has a good reputation and they claim to stand behind their products and the reason why i purchased from the dealership.

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post #6 of 43 (permalink) Old 05-30-2013, 10:35 PM
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Quote:
Originally Posted by JayDLaw View Post
@sfair
I do not have the necessary equipment. I will consult with the dealership and have them test that as well.

@zig
I hope that is all they find, either way thet should fix. While I don't have a warranty, the place I purchased from has a good reputation and they claim to stand behind their products and the reason why i purchased from the dealership.

Jay,

While a nice meter is nice, a basic, cheap-o, $10 meter from the clearance bin at the Hardware store is sufficient for a basic charging system check. The most basic test is just to determine if the voltage to the battery when running at speed is within range. Any meter capable of metering 12 volts can do that. If it's not within spec then you can tell your dealer, specifically, to investigate the charging system. If that's not an option, ask them to do a charging system check just to be safe. These 900's have finicky charging systems.

Sfair is the expert on meters and electrical, I am not. However, when my stator failed I borrowed my father in laws $550 Fluke meter. Which of course has hundreds of features I'll never use (It'll even read temperatures!). Just for grins I checked my battery voltage with it against a cheap radio-shack meter I had in the laundry room. Both were within a couple tenths of a volt of each other. Does that mean he wasted money on a Fluke? No, of course not. But, it tells me that a cheap meter is probably sufficient to test the output voltage of the charging system.

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

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post #7 of 43 (permalink) Old 05-30-2013, 10:52 PM Thread Starter
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Thanks for clearing that up. when i check the prices of meters i seen them for like $300+. I need make a few stops anyway. the hardware store will be one.

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post #8 of 43 (permalink) Old 05-30-2013, 11:08 PM
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Originally Posted by JayDLaw View Post
@Romas5.8
Thanks for clearing that up. when i check the prices of meters i seen them for like $300+. I need make a few stops anyway. the hardware store will be one.
The most basic test would be to rev the bike to about 3000 RPM's, and put your meter on the battery. It should not exceed 15v and it should not dip below 13(?) (someone with more knowledge can clarify) volts. Either way, take a reading of the charging system and post it in this thread and Sfair or someone else with knowledge of these systems can tell you if it's good, or if they think you should do additional tests.

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

Romans 5:8 (NIV)

2014 Kawasaki Vulcan 1700 Vaquero ABS SE
iPod Connector Kit, Kuryakyn Highway Pegs, Mustang Touring Seat, Marvella's Hitch, Kuryakyn Trailer Wiring Kit, Haul-Master Tag-a-Long Cargo Trailer

2011 Honda Shadow Aero 750 (Wife's)

Memphis shades quick-release windshield, OEM Solo Seat, Mustang Fender Bib, Chrome Solo Luggage Rack

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post #9 of 43 (permalink) Old 05-31-2013, 07:30 AM
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And so it begins....lol.
Jay, the 9 is a big, noisy, ticking, whirling, whining, popping bike. I swear it has more sounds than a locomotive. Coming from a Honda, your gonna be surprised. Relax though, it has "character"....and it ALWAYS starts.

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post #10 of 43 (permalink) Old 05-31-2013, 07:44 AM
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You don't need a fancy one for basic stuff on your bike or car. This is what I have I paid around 10 bucks for it. Nothing fancy but it works for what I use it for.

http://www.walmart.com/ip/Innova-330...meter/14644665


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