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Scooters - 125 to 300 => People GT 300i => Topic started by: Vietkieutie on August 05, 2018, 08:18:49 PM

Title: Hearing a sound
Post by: Vietkieutie on August 05, 2018, 08:18:49 PM

It sounds like it’s linked to my revving, as I rev up, the whirring gets louder, as I ease off, it ceases. How do I check what the source of this is, so I can stop it?


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Title: Re: Hearing a sound
Post by: CROSSBOLT on August 05, 2018, 11:46:43 PM

Post a recording so we can listen.

Title: Re: Hearing a sound
Post by: EvilTessmacher on August 06, 2018, 02:19:57 AM

Say, Karl... That brings up a really good question.

How would one go about making a recording of a specific sound? What setup should one use?

I know that's two questions, but....

Seriously, I'd really like to know how one would go about even attempting to make a recording.

Title: Re: Hearing a sound
Post by: CROSSBOLT on August 06, 2018, 10:48:28 AM

Most guys just stick their phone near the works. Seems to work pretty well. We have figured out valve noise, locked starter clutches and stuff that way.

Title: Re: Hearing a sound
Post by: EvilTessmacher on August 07, 2018, 12:46:41 AM

Oh...
I was thinking some elaborate microphone/recorder setup.

Title: Re: Hearing a sound
Post by: Vietkieutie on August 07, 2018, 12:48:25 AM

Hey everyone, so the sound went away after a 10 minute ride, which leads me to believe it was a street rock. But this is sound input to diagnose any future sounds that may occur.


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Title: Re: Hearing a sound
Post by: CROSSBOLT on August 07, 2018, 02:39:28 AM

Road speed related, engine speed related, wheel speed, etc. Have to separate them carefully to get at the cause. Your case was to change surface conditions and the sound changed or went away. All part of the wacky world of troubleshooting!