prob crappy non synthetic oil and no rejetting
> > >
> > > Ok i am getting really pi$$ed off now.. When i first
> > start
> > > up my scooter it will start puffing out a lot of blue
> > smoke
> > > when I take off but when I start going it makes a
> > hesitating
> > > type of sound like its shifting but its not cause it
> > doesnt
> > > shift and then it will ride fast after about 10
> seconds
> > it
> > > will bog way down like its goign to shut off so I have
> > to
> > > floor it and gradually it will pick up speed but will
> > still
> > > bog down a little and at random moments. When I take
> off
> > > again it will go high rpm but not go anywhere fast and
> > then
> > > bog down and then pick up again. Ive already taken it
> to
> > a
> > > malaguti shop and got it worked on for $800 and it
> rides
> > > the same!! they put new roller weights,brakes,spark
> > plug,
> > > cleaned air filter, and just recently I put a new
> > battery
> > > in it and it rides the same. So please someone help
> me
> > > with this problem. Do I need to get another spark plug
> > or
> > > is there like an electronic control box that is prob.
> > > messed up because my speedometer I think is messed up
> > too
> > > because it will say I can go to 42 mph top speed
> before
> > rpm
> > > is reached to max and a motorcycle drive beside it
> says
> > > 47mph and when I first got this moped it would easily
> go
> > > 55mph so if anybody could help it would be very
> > > appreciated.. thank you
> >
> > Oh yeah and I have also tried using different (better
> oil)
> > and nothing happened. I really want to be riding again
> so
> > please help!!!
> >
> I have the exact same problem. I've brought it into a
> motorcycle dealer and they couldn't find the problem.
> After talking with a more knowlegable scooter mechanic he
> suggested it may be a stuck ring on the piston causing a
> losss in compression. I thought it was a fuel filter
> problem or carb jet problem but both of these have been
> cleaned or changed. Now I'm just going to get a 70cc mod
> kit as long as I have to pull it apart.
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