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Discussion Starter · #1 ·
My gator will start and idle just fine. When I press the throttle it dies (just like when i press it when the parking brake is engaged). I am starting through relay testing (learned.that my gator doesn't have a fuel shutoff solenoid) and it is tedious. Any troubleshooting advice?
 

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My gator will start and idle just fine. When I press the throttle it dies (just like when i press it when the parking brake is engaged). I am starting through relay testing (learned.that my gator doesn't have a fuel shutoff solenoid) and it is tedious. Any troubleshooting advice?
When the engine dies, are you in gear or neutral when depressing on the accelerator ?
 

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Discussion Starter · #3 ·
My gator will start and idle just fine. When I press the throttle it dies (just like when i press it when the parking brake is engaged). I am starting through relay testing (learned.that my gator doesn't have a fuel shutoff solenoid) and it is tedious. Any troubleshooting advice?
When the engine dies, are you in gear or neutral when depressing on the accelerator ?
Does it in all.transmission positions. All throttle, choke, and transmission linkages and actions work fine. I'm going to check.the.fuel system again and blow out the lines. I just tuned it up two months ago so I'm sure it wont be the issue but I prefer that to electrical troubleshooting!
 

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Have you checked the CVT belt ?
 

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CVT belt?
CVT= Continuously Variable Transmission (clutch belt). If the belt is really bad and frayed its possible it can load the crankshaft in the engine to the point it will not run properly.
The 550 and other Gator models have an inherent issue with the Primary Clutch sticking, belt damage can occur over time with a sticking primary.
Has the Gator ever been hard to shift into and out gear with the engine running or you have broken shift cables or shifter? All signs of a Sticking Primary Clutch.
 

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Discussion Starter · #7 ·
Have you checked the CVT belt ?
CVT= Continuously Variable Transmission (clutch belt). If the belt is really bad and frayed its possible it can load the crankshaft in the engine to the point it will not run properly.
The 550 and other Gator models have an inherent issue with the Primary Clutch sticking, belt damage can occur over time with a sticking primary.
Has the Gator ever been hard to shift into and out gear with the engine running or you have broken shift cables or shifter? All signs of a Sticking Primary Clutch.
The only belt on the gator is the drive belt and it looks good. I reviewed the remove clutch section of my repair.manual and no other belts are mentioned. The drive belt looks pretty good. No issues with shifting and all cables /linkages seem to be functioning. I really appreciate your staying with me. Helps to have someone with which to bounce off ideas.
 

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Yes the drive belt and CVT are the same.
 

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Have you confirmed the Park brake is fully disengaging and Checked both the brake and parking brake switches?
 

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Discussion Starter · #10 ·
Yep and both function properly. I checked the fuel lines and blew some low pressure air through them. Nothing in them.
I took the carburetor off and it was quite gunked up. Cleaned it and it started working. Air, spark, and fuel fix nearly everything. When I tuned it up a few months ago I didn't dig into the carburetor and I guess I should have. Oh well, I learned a ton about the electrical and I'm sure it'll come in handy someday.
Thanks for sticking with
 

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"Cleaned it and it started working."
So, does that mean you fixed the problem?

Have you any signs of a blown head gasket?
 

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When cleaning carb I assume you mean it was disassembled and each passage cleaned and verified to be free flowing.
 

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Discussion Starter · #13 ·
Yes it was pretty gunked up but running strong now. Didn't see any signs of leaking on engine. Problem fixed.
 

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Unplug the o2 sensor if it has one.,and if it runs good, albeit rich, then you need a new o2 sensor. The sensor is located on the manifold under the front seat or further back if you have an S4, just follow the wire up to the plug. JD doesn't call it an 02 sensor, but it's essentially the same thing.
Please help me understand how this is relevant when they state it is running OK in the post prior to yours and it has a carb. Do they use an O2 sensor with carb on this model?Just trying to learn something from your reply. Thanks
 
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