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Doesn't really have anything to do with time or $$. Has more to do with I have no experience with small engines and didn't think... "hmmm.... those wear marks on the journal are probably bad news." I'm doing this to learn so I will probably replace the crankshaft in the winter... Once I get it...

Bummer. I strongly suspect that noise I'm hearing is rod knock. It would make sense since the original repair was due to low oil. I suspect the crankshaft is worn so there is a small amount of play. It runs and it cuts... but how much life does it have? Not sure. Quite a learning...

Here's the update: 1. Question about what piston rings to use if you had a NEW piston on an engine with an OLD engine code. The answer is, the piston rings have BEFORE and AFTER codes. These codes refer to the engine code... but if you got the NEW piston you want the NEW piston rings...

All good advice. Thanks everyone. At this point it would have been cheaper for me to buy a new lawnmower... but then I would miss all this fun :) After completely eliminating all other possibilities: 1. The carb has been replaced... as well as the gas line and the fuel pump. I suspect...

Yes I did. I guess my question is... if the torque isn't right... an the gaskets are new... what else could be the issue? Warped head? Should I do a leak down test?

Yeah. White smoke out the oil tube. Does that mean I just didn't torque the head gasket enough when I fixed my connecting rod? I have a bad feeling when I put the rings on the new cylinder I lined the gaps up instead of stagger them. I'm really hoping that's not the issue. Having to bust...

I think I figured out the root cause of my original problem. Over time the gas line gets "fatigued" where it takes a right angle turn/bend near the battery on these mowers (L118). This causes it to collapse like a wet straw at times and not start. I was getting around this by blowing into the...

Hello. I'm new to the small engine repair scene. I have a John Deere L118, B&S Intek V Twin 407777-0131-E1. I just finished replacing a broken connecting rod and damaged piston. The engine has about 280 hours on it. I suspect the damage was from a mouse house on the cylinder head fins...