John Deere LT160 wont start

[kevinjgray88]

I sprayed some fluid into the carb and still nothing new. I am thinking its something stupid simple like popped fuse or anything like that.
when this problem first came up I went to start it and the flywheel would make about one turn and stop dead like it hit a wall. then you could spin the flywheel backwards then start it and same thing.
So I tore it down to the flywheel and it just freed itself some how and did not do it anymore but still just cranks with no start

 

[SeniorCitizen]

All along I've been wondering what caused the key to shear. Most often a sheared key is caused by an abrupt engine stop where the flywheel inertia overcomes the forces of the two tapers the shaft and flywheel are assembled with.

QUOTE: when this problem first came up I went to start it and the flywheel would make about one turn and stop dead like it hit a wall. then you could spin the flywheel backwards then start it and same thing.
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This is going to be difficult to diagnose over the internet so if what I said in an earlier post doesn't work it will have to be shopped. I'm sorry I can't be of more help.

"If after setting valve lash the compression still won't blow your finger from the spark plug hole it is time for a trip to a reputable small engine shop".

 

[jmurray01]

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AW Heck, I forgot about that compression test so I guess It's like killing 3 birds with one stone.:laughing:

A valve could be stuck open or if its a overhead valve engine it could be a pushrod problem.

Christ, how big is this stone!? :laughing:

 

[SeniorCitizen]

Christ, how big is this stone!? :laughing:

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Oh it gets bigger. Nearly the size of a meteor since at the same time we are also testing the ignition switch, solenoid, safety switches related to cranking and maybe the head lamps. I don't think it covers the tire pressure:laughing: Let me know if I omitted anything.:biggrin::biggrin::biggrin:

 

[jmurray01]

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Oh it gets bigger. Nearly the size of a meteor since at the same time we are also testing the ignition switch, solenoid, safety switches related to cranking and maybe the head lamps. I don't think it covers the tire pressure:laughing: Let me know if I omitted anything.:biggrin::biggrin::biggrin:

It also tested the gauges, warning lights, battery, and the ability of the owner to turn the key! :laughing: So, it killed 11 birds with one big, big stone!

 

[DMC]

It sounds like your piston push rod has broken and that's why you have no compression and all the other symptoms. May be repairable but probably not.