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No problem swapping out the countershaft sprocket.
No problem hacksawing the old, worn chain.
Pulled the wheel and went after the wheel sprocket. First, on the floor with a ratchet. Nope. Then reassembled the bike and just turned over the engine in first. Still in gear, had my grandson stand on the pedal. Nope. Disassembled the wheel again, clamped the old sprocket in an antique iron vice on a solid table. Impact socket and breaker bar, about 300 pounds/foot (400+n/m). Nope.
Broke out the torch, applied heat, melted the plastic in the nuts. Nope.
Half inch hand impact and 2.5 pound,(1.2kg) sledge hammer. 3 or 4 smart whacks on each nut and they came off easily with a ratchet.
6-point holes for bolt heads are now 12-point holes. I have plenty of Permatex Red for reassembly, Having to purchase another sprocket mount and hardware before the new sprocket wears out due to sloppy initial assembly pisses me off.
Never got around to changing the tire. Too hot, too pissed. Seems like every project I start on this bike is cursed.
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