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matthew smith

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About matthew smith

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  1. i have also taken the valves and springs completly apart and cleaned them the carbon build up was crazy. will be setting the specs once its completely back together
  2. so im replacing the cylinder , piston and rings brand new already have the parts. but that is not skirt slap. it is slapping on the wrist pin sides. which is an unnatural movement for the piston. the skirt side is fine. which is left to right inside the cylinder. so the gauges on the piston are on the same side that the connecting rode has play. i thought the slight movement in the connecting rod was normal. play up and down is not good which it is not doing.
  3. I have a honda recon 250 that i just bought. the compression is around 90 needs to be rebuilt. im getting into rebuilding it took apart the top end no problem except for the cylinder walls. as shown in the pictures. the way the piston sits in the cylinder is if you were sitting on the wheeler the skirt on the piston is left to right. so the wrist pin is front to back. which is where the two marks are in the cylinder. so that means the connecting rod is making the piston slap the cylinder on the wrist pin side which seems like a weird way for the cylinder to be moving. not natural. now the connecting rod has slight play left to right but not up and down. ive talked to a few people they say it might be the roller bearings in the connecting rod where it meets the crankshaft. but the play it has is not that much. im just looking for some more input before i start splitting the case.

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