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Posted by motoboi on October 12, 2007, 11:20 am
> motoboi wrote:
> > Hey guys i posted a add over the summer about the honda cl350 jetting
> > issue.
> > thanks to some of your guys input it is running great. Now i have a
> > Yamaha xt500
> > i picked up this summer for 50 bucks , what a steal right it was a
> > little bit
> > better than a basket case . The biggest issue was that it was missing
> > a SWING
> > ARM. Any way i took the motor down becuase?the top end?was slightly
> > frozen .?I
> > purchase a used cylinder from ebay and i got a used piston with rings
> > from a
> > buddy of mine who had a Yamaha sr500 and had the pison as a spare .?I
> > put the
> > thing back together and started it and it started blowing white smoke
> > immidiately. That was about a week ago and it is smoking a little less
> > if not
> > the same, it smokes just like a two stroke if not more. i asked my
> > buddy what
> > was the status on the motor that the piston came out of and he said it
> > ran
> > perfect so i am looking for any advice on what the problem?might be?
> > and how i
> > would go about fixing it. any input is welcome.? THANX.
>
> You bought a used cylinder from one bike and a used piston and rings
> from another and assembled them- that is your problem. Did you re-use
> the gaskets, too?
> Take either of the two cylinders you have to a motorcycle shop and
> tell the hopefully competent person there that you want the cylinder
> fixed right- either hone for new rings if the cylinder is reasonably
> within spec or bore to oversize if needed. A job worth doing is worth
> doing right.
Hey, Irondog before you bash me any more let me explain, the cylinder
i bought from ebay was already honed, the only thing that i neglected
to do that was stupid on my part was to check the ring end gap and to
check bore to see if it was oversize. Knowing that the bore was
already honed , chances are that the cylinder was oversized and then
honed or the seller i bought the cylinder from was considerate and
honed the cylinder before he sent it to me.
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