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I tried the recommendation to use an external 12v source for the Pto. Mower runs the deck fine. Appears to be a safety switch. So one by one I’m bypassing each switch. - shorted reverse switch. Side effect is the relay buzzing. - bypass the seat switch by sliding a piece of plastic...

Going to try the other suggestion to feed a separate 12v to the pto from an external battery. Btw, regarding model info: This is a Scott’s 2048. Original motor threw a rod. I have a 22hp out of an LA145 in it.

Thx for the suggestion. To eliminate a switch issue and the pto itself, I pulled the deck belt off the pto, ran the mower, engaged the pto, and it ran fine. Specifically when the deck belt is on the pto it dies when the pto is engaged. Hand checked the deck and pulled it with a hand drill...

I put a v-belt pulley on a drill motor and ran the deck. The small cordless drill was running the deck, albeit at relatively low rpm’s. The deck doesn’t ‘seem’ to be binding. Is there any correlation between stator output and reduced engine power? I have a new battery on the mower. Just...

This is a Scotts by John Deere. Things done and checked: 1. PTO: pulled pto off my other mower and switched out. Same behavior using known working pto at full throttle. 2. Compression check: one cylinder at 138 lbs and the other at 130lbs. 3. Spark: Pulled each spark plug wire while...