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Message: <blockquote data-quote="Paul" data-source="post: 2529255" data-attributes="member: 210568">Hello, I have a old 1972 Sno Jet 440 SST snowmobile. It has a 433 Yamaha in it. I am gonna take it into my small engines class tomorrow. It seems to get gas to it, but there is no spark. I am thinking that it is the points or coils or both. It is very dirty on the outside and sort of clean on the inside (since the last time that it ran was in 1984). I have not looked at the points yet because I only tore it apart to the cylinders. The coils were rusted pretty badly.So does anyone know what I should do? Can I just clean the points, or do i need to replace them?  I know that it needs new gaskets and seals in it and maybe a few new bolts. Is there a way to clean the coils?Also, how much do you think that it will cost all together? Any tips? thanks</blockquote>