Neway valve seat cutter bushing - 6mm stem
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Used to make a spacer to fit Neway small engine valve cutting tool shaft using original 6mm valve stem.
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- Printables
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- Tools
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- GNU General Public License v3.0
Working on an old ATV that needed a valve seat regrinding, I purchased a vintage Neway 102W small engine valve seat cutter tool. All of the valve guide pilots were either too small or too large for the 6mm valve stem, so I made a spacer/bushing to fit very snuggly over the original valve stem, which would then serve as the correct sized pilot for the cutter tool. A 15/64" drill bit is also within a thousandth or two of 6mm.
This was made specifically for a Yamaha Raptor 660, so if you're doing a valve job on one, this is the correct sized spacer. If you need the spacer to be elongated, do not change the x or y axis size. Depending on the precision of your printer, you may need to change the x-y dimensions slightly. Good news is this takes less than 5 minutes to print and uses very little filament if you need to fiddle with the final size.