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New Piston, or just rings?

  • Thread starter Thread starter lhanscom
  • Start date Start date
L

lhanscom

Guest
Ok, first off, this has nothing to do with my bike. I'm refreshing my 3 wheelers top end, a 84 Honda 200x for any who care.

So on to the question: When can you do just rings on the existing piston, and hone the cylenders to break the glaze, and if I can do just rings, do I have to get oversized ones to match the worn cyl?. When do you need to bore the cyl and get an oversized piston? Am I better off just going with the new piston to save work down the road? One thing I checked is the out-of-round for the cyl, it's perfect down to .001.

Thanks!
 
If it shows minimual wear Just put standard rings You would only use oversized if you rebored the cylinder
 
SqDancerLynn1 said:
If it shows minimual wear Just put standard rings You would only use oversized if you rebored the cylinder
Click to expand...

I haven't gotten my bearings yet, what's 'minimal'? Do you tell by the piston to cylender clearance, or is it something else I should be looking at? The piston I have looks fine, no holes, scratches etc.

Thanks for your help.
 
.003-.005" piston to cylinder wall clearance is nice, if you don't have a ridge at the top of the cylinder wall, you should be OK to just crossshatch and re-assemble
 
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