Pug 103, 70 polini, 4 petal high pitch "whist

Until it gets warm, my new set up idles, then makes this high pitch whistle when a little bit of gas is given and at low rpm.

about 6 minutes later though it stops

Re: Pug 103, 70 polini, 4 petal high pitch "w

bearing noise?

Re: Pug 103, 70 polini, 4 petal high pitch "w

totally not, it sounds like a flute. a high pitched phiwp cheep

Re: Pug 103, 70 polini, 4 petal high pitch "w

squirrel?

-naz

Re: Pug 103, 70 polini, 4 petal high pitch "w

reed valve harmonic flutter song?

Re: Pug 103, 70 polini, 4 petal high pitch "w

seems somehow reedy.

also my squirrel makes more of a moaning sound.

Re: Pug 103, 70 polini, 4 petal high pitch "w

Yeah, I was gonna say check your reeds.

Re: Pug 103, 70 polini, 4 petal high pitch "w

John Joedicke /

leak

Re: Pug 103, 70 polini, 4 petal high pitch "w

what would i be checking for? if they are intact how will i notice something is off?

Re: Pug 103, 70 polini, 4 petal high pitch "w

crack? weird wear? tiny orchestra?

Re: Pug 103, 70 polini, 4 petal high pitch "w

i'll record it if it does it this afternoon.

Re: Pug 103, 70 polini, 4 petal high pitch "w

Mine does this, too.

Until Warm. I checked over and over for leaks. My motor's nice'n tight. I believe it's just some reed noise.

Re: Pug 103, 70 polini, 4 petal high pitch "w

Mine sounds like a rocketship

Re: Pug 103, 70 polini, 4 petal high pitch "w

Make sure allen isn't standing behind you with a whistle when you start your bike. but yeah totally a reed thing check for air leeks. My old euro 70 kit used to do the same thing.

Re: Pug 103, 70 polini, 4 petal high pitch "w

how about metal expansion, have you taken that into consideration?

Re: Pug 103, 70 polini, 4 petal high pitch "w

it sounds like birds chirping every so often

« Go to Topics — end of thread

Want to post in this forum? We'd love to have you join the discussion, but first:

Login or Create Account