MS461 failure analysis help

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If my coil is toast I’ll just put an unlimited coil on it but all the unlimited 460 coils I see are two prong while mine is three prong. Could I put a two-prong coil on my saw or do I need a three pronged coil?
 
My 461 died the same way, main bearing failure. I ran it at half throttle too much (bad habit, user error, mia culpa) and slipped the clutch, causing the clutch and crankshaft to heat up. The PTO side bearing has a nylon cage, and this melted or at least deformed enough to cause the bearing to fail.
 
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