If anyone is interested- Kid's driving the Franken-buggie and NOT using the clutch to down shift slung the chain so hard it punched a hole in the block of the YFM 350. Thank god it was at the top of the sprocket area about the size of a dime. I don't have any argon right now so I went to Harbor Freight and bought some of there low heat aluminum rods and plugged the hole with my Mapps gas torch. I works as advertised, I tested it prior to the repair on 2 small pieces of sheet aluminum and I couldn't beat it apart. Hopefully I'll get to try out the repair Sunday as we have rain tomorrow.
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