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Author Topic: One More Noise  (Read 149 times)

adi-4004

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One More Noise
« on: August 31, 2014, 09:12:05 PM »
Hey Folks,

For a few rides now I hear a noise which I think is coming from the front of the bike. Based on the noise I think its close to the front wheel.

Anyway it sounds like something rubbing while rotating. It starts when the bike speed exceeds a limit (30 mph to 40 mph) and the road has bumps. The frequency of the noise changes as the speed of bike changes. It stops when the bike slows down to around 30 mph (or sometimes when it hits a bump!). When the road is smooth there is no noise even at 50 mph. I hear it along with the wind inside my full face helmet at 40 mph. There are no other obvious issues. But I don't find the noise a big concern (yet). I could be wrong.

Any help highly appreciated!
New York Metropolitan Area

2014 C5 Military Green

gremlin

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Re: One More Noise
« Reply #1 on: August 31, 2014, 09:16:35 PM »
I'd recommend clean and adjust your chain.
next, I'd look at the tank mounts to be sure it is secure.
might also be the heatshield on the stock torpedo exhaust.
1996 Trophy 1200
2011 RE B5
1979 XS11 w/vetter terraplane
1981 XS11 streetfighter
1983 Venture Royale
1982 CB750K
1971 Triumph Trident
1969 CB450
1966 Sears (puch) 250


pmanaz1973

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Re: One More Noise
« Reply #2 on: September 01, 2014, 03:50:17 AM »
I had a weird noise that sounded like it was coming from my fender/wheel area - kind of like a rubbing rattling noise.

Turns out when I had the headlight off, I left the two little orphan connectors (for a parking lamp in a sealed unit??) outside of the rubber cups they all sit in.  Noise almost cured.  I would also check to make sure your fender is centered.  Mine got tweaked (somehow) and wasn't, sure enough it was rubbing on the fork tube covers. 

The combination of the two gave me a rattling and rubbing noise.

1991 XR250L (traded for)
1976 Harley XLH 1000 (blew up)
1993 CBR 600 (sold for)
1976 Norton Commando 850 (traded for)
1972 BMW R75/5 (sold)
2014 Royal Enfield C5

mattsz

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Re: One More Noise
« Reply #3 on: September 01, 2014, 08:49:08 AM »
I had a weird noise that sounded like it was coming from my fender/wheel area - kind of like a rubbing rattling noise.

Turns out when I had the headlight off, I left the two little orphan connectors (for a parking lamp in a sealed unit??) outside of the rubber cups they all sit in.  Noise almost cured.  I would also check to make sure your fender is centered.  Mine got tweaked (somehow) and wasn't, sure enough it was rubbing on the fork tube covers. 

The combination of the two gave me a rattling and rubbing noise.

rubber cups the wires sit in?  You must have a newer bike.  ;)

The fork tubes / fender is a good idea to check.  Mine came from the dealer misaligned; the paint got ruined by about 30 miles.  I never felt or heard the rubbing, but worth a look...

pmanaz1973

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Re: One More Noise
« Reply #4 on: September 01, 2014, 05:15:56 PM »
2014 C5 - Nice and tidy headlight bucket with two rubber "cups".  Kind of hard to explain, but the bulk of the connectors sit in them and keep them from rubbing and vibrating.  In general, the wiring tidiness is up to par.  The only weird thing about the wiring is at the end of each connector they wrapped it with electrical tape and left a tag end that leaves a bit to be desired.
1991 XR250L (traded for)
1976 Harley XLH 1000 (blew up)
1993 CBR 600 (sold for)
1976 Norton Commando 850 (traded for)
1972 BMW R75/5 (sold)
2014 Royal Enfield C5