Having a Blast Using our TP Tools Skat Cat 40 Blast Cabinet

Reader Contribution by Richard Backus
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Before and after: The Laverda SF2 fork yokes were pretty rough, but after media blasting they’re ready for fresh paint. Photos by Richard Backus.

We’ve wanted a good media blast cabinet for, oh, like forever, so actually having one makes us almost giggle every time we find an excuse to put it to work. We picked up our TP Tools Skat Cat 40 blast cabinet about a year ago, and since then it’s become a central piece of equipment in the Motorcycle Classics garage, an alchemist’s dream that lets you magically turn lead into gold by transforming time-worn parts into like new forms, ready for refinishing. Just recently, we blasted our way through a trio of steering bits; two motorcycle related and one bicycle.

First up was the upper fork yoke on my daughter’s 1980 Moto Guzzi V50. The original plan was to replace the Guzzi’s pitted fork tubes and leaking fork seals. The upper yoke had to come off to pull the tubes, and it seemed pointless to put it back on with its scruffy and worn black paint. Guzzi seems to have gone back and forth on yoke finish at the time, sometimes painting them black and others leaving them in a natural aluminum finish. On the V50, the bottom yoke was a natural aluminum finish and the top was black, so I opted to take the top yoke back to a natural finish.

Previously, I would have used a chemical stripper to remove the original paint. That works OK, but it’s slow and tedious compared to having a blast cabinet, and there’s a fair bit of clean up and final prep to get to a finished result. Using the TP Tools blast cabinet, it took maybe five minutes tops to completely strip the yoke. Once stripped, I worked it over with a buffing wheel, starting with Brown Tripoli compound before moving to White Rouge. That took longer than stripping the yoke, and maybe even a little longer than had I opted to repaint it, but the result is a clean, natural aluminum finish, and it looks excellent back on the bike.

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