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Discussion Starter #1
I believe I have the majority of this sled. I need a complete motor and clutch set up. anyone know what came in these sleds? It was made by Polaris.
 

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Sears made three Sportster models in 72. There was a 244, a 335 and a 450W. The 244 had a Polaris EC25P engine, the 335 came with a Polaris EC34P engine and the 450W came with a Polaris EC40P. You're correct about the sleds being made by Polaris. I think they were either Mustang or Charger sleds with the Sears name on them so parts should be fairly easy to find parts.
 

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Discussion Starter #3
would I be able tell what motor came in this originally by looking at the data plate? Also how hard would it be to mod the engine to something like a fugi 488 fan cooled ?
 
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