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When i start the mower and try and stary mowing it cuts out

This is most likely a safety switch issue. Usually the seat safety switch will cause this problem. The mower dies because it thinks nobody is sitting in the seat, and shuts off for safety reasons. I have read this mower also has issues with the rollover safety switch (shuts off mower if it thinks it has rolled over). Check out this forum for more information: http://www.lawnsite.com/threads/toro-saf

When I put the mower in gear it shut off

What can cause a mower to shut off when you put it in gear it is a carsman mower

I had the same issue. I could not find an answer online, and even chatting with Husqvarna tech support was no help, so hopefully this will help someone else. When sitting on the seat with both levers fully out to the park position, my mower engine would start and the blade would engage when pulling the blade engage switch like normal. I believe that if you are not sitting on the seat, the mower will not engage. So if you are sitting on the seat and the engine is running, and activate the mower blades and they come on, your seat switch is good. On mine, when I moved the levers from park to neutral, the engine would shut off, just like the key switch was turned off. What I found is that I had a sticking park lever switch. If both lever switches are working properly, moving either lever switch from park to neutral individually will kill the engine. If you move both levers at the same time, then engine will keep running. One of my switches was stuck, so it always thought that one side was in park. When I moved both levers, it thought I only moved one lever and shut off the engine. If you can move the lever on one side from park to neutral and the engine stays running, that is your sticking switch because it is still being made as if it were still in park.