Quote:
Originally Posted by Jromaine87
Wow, this helped me a lot, it was a single bearing. Cylinder 6, and from what I am told now the rod is bent as well, so we’re looking into a hydro lock issue. It was a brand new carb. No water in the oil.
Thanks A lot
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Once again, some pics would be very helpful. I didn't mention in first post about looking for discoloration in the rod big end, crankshaft and other parts. Black/blue coloration indicates excessive heat from possible lubrication failure prior to failure. Little heat transfer would indicate a pure mechanical failure, for example, loose rod bolt, bolt failure, metal failure, pure hydraulic lock. (very unlikely but possible if it was coolant). Virtually impossible to hydraulic lock a single cylinder with a carburetor situation in a common single plane manifold. Coolant, however, could do this from a head gasket leak/block/head crack. Look for a single combustion chamber, valves that look different from all the rest. One final time, lots of pics might help us sort this out.