Sound problems with my '93 Yamaha Jog cy50e

Can anyone help me figure this out: One day, my scooter is running as good as new. I go over a huge bump, and the next thing I notice, It starts to sound higher pitched. It stays like this for a while.

Then, just yesterday, I go to the pool. When I leave and drive my ped home, it sounds like shit. When I accelerate, a loud low pitched noise replaces the normal noise. Could this be from sitting in the 100+ degree sun?

I am getting kind of freaked out right now, because I just got a checkup. Maybe the mechanics screwed something up. I don't know.

Anyway, I would greatly appreciate any help that anyone can give me.

Thanks,

Narianau

Re: Sound problems with my '93 Yamaha Jog cy50e

Can someone please help me?

Thanks,

Narayana

Re: Sound problems with my '93 Yamaha Jog cy50e

Can someone please help me?

Thanks,

Narayana

Re: Sound problems with my '93 Yamaha Jog cy50e

Can someone please help me?

Thanks,

Narayana

Re: Sound problems with my '93 Yamaha Jog cy50e

yes the 100 + degrres heat can affect the proformance. you sould spray the engine down with cool water before you leve any where if you can. it is overheating and ruining the engine.

Re: Sound problems with my '93 Yamaha Jog cy50e

So, leaving it in the sun is not a very good idea?

Thanks,

Narianu

Re: Sound problems with my '93 Yamaha Jog cy50e

david f martin /

Narayana, take the side covers off. With the bike running, run your hand over the exhaust and look for leaks (cracked or loose?). Don't grab it, it will be hot. You can grab your carb and see if it wiggles around and changes the pitch of the engine. Sounds like something is loose, to me. If you find it, either take it back to your mechanic or tighten it up yourself - just don't overdo it.

david

different noises

narianu.... You don't describe a problem... just different noises.

if the bike is running the same as before... then there is nothing really 'wrong' with it.

The muffler might be cracked or loose... making the different noise... get down there and look close at it.. lay the bike over and look.

... and pay no attention to anybody who says to.. 'spray your motor down with water' to cool it... don't do that.

.. also pay no attention when he says.. 'its destroying itself'

.. if you are really worried... take it back to the mechanic who just worked on it.. maybe he forgot to tighten something ?

Re: different noises

Thanks Everyone for your input. I took a closer look at the air filter and found the problem. Since it was not quite connected to the carburetor, a little, or should I say a lot, of noise was escaping. I can't figure out how to reconnect the air filter, so I'll just bring my ped to the mechanic again, and have him put it on.

Thanks again for all the help!

Narianu

Re: different noises

Thanks Everyone for your input. I took a closer look at the air filter and found the problem. Since it was not quite connected to the carburetor, a little, or should I say a lot, of noise was escaping. I can't figure out how to reconnect the air filter, so I'll just bring my ped to the mechanic again, and have him put it on.

Thanks again for all the help!

Narianu

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