AMT 626 quits when hot and will not restart: John Deere Gator  -- Utility ATV Discussion Forum and Review AMT 626 quits when hot and will not restart: John Deere Gator -- Utility ATV Discussion Forum

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 03-30-2010, 22:21 Post: 169646
bluebm3w



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 AMT 626 quits when hot and will not restart

Hi all,

I have an AMT 626 with the Kawisaki FE290D engine. Recently while running at idle and full speed it dies and will not start back until cool. I have already replaced the coil and plug and have cleaned the carb. I was wondering if the ignition module that sits on top of the engine case could case this problem?

Thanks






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 03-31-2010, 06:11 Post: 169648
gatoraider



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 AMT 626 quits when hot and will not restart

Yes it could and that's where I would go next.






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 03-31-2010, 10:42 Post: 169659
bluebm3w



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 AMT 626 quits when hot and will not restart

Gatoraider thanks for the quick reply. One thing to note, when my AMT died I took the ignition module loose and pulled it out and away from the engine case to see if it would start, no go. Then I noticed it was self grounding, so I held it to the engine case and it fired up. This led me to think it was a bad ground, so I made a new ground wire and led it from the ignition module to the primary ground on the engine case from the battery. It started up nicely then. But, I was out in the yard yesterday and it was at idle and it died and would not start back, so I guess the ground didn' really help. Also, the insulator on the bottom of the ignition module looks great, and I also fashioned a 1/16" thick piece of rubber to put between the insulator and the module to help block out the heat. I guess the module could not be completely bad yet but on its way out. What do you think?






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 03-31-2010, 18:42 Post: 169663
gatoraider



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 AMT 626 quits when hot and will not restart

I think a new module will fix it. It's the stator, the module, or the coil. Stator is very unlikely. My experience is when coils go,that's it. So Iam thinking module. I've replaced a few, definately more than coils.






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 03-31-2010, 20:10 Post: 169665
bluebm3w



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 AMT 626 quits when hot and will not restart

Thanks gatoraider. Yea I already put in a new coil, so I guess I will try the ignition module. Hopefully that will fix it. Would a bad module cause my AMT to run ruff at part throttle? When I depress the throttle a little when in gear and the motor is under load it seems to sputter, but when it gets up in the rpm's it smooths out. Does the module control the timing and fuel? It has been sputtering and back-firing for about 5 seconds after I turn it off.






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 04-01-2010, 06:24 Post: 169668
gatoraider



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 AMT 626 quits when hot and will not restart

I think you put a new module in it and see what you have. Module has nothing to do with fuel, but can cause other problems. Sounds like you could have ignition and/or carb problems too.






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 04-01-2010, 10:10 Post: 169670
bluebm3w



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 AMT 626 quits when hot and will not restart

Ok thanks. I am going to pick up my new module this morning. I will let you know the outcome. Thanks for all your help.






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 04-01-2010, 21:30 Post: 169674
bluebm3w



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 AMT 626 quits when hot and will not restart

Well the ignition module did the trick, runs like new!! Gatoraider, do you know anything about adjusting the brakes on this model? They have relatively new pads, but it is a little difficult to stop. Although, my hydraulic lift reservoir was leaking on the right caliper so I got that fixed and I am going to spray it down with some brake cleaner. That may make a difference. IF you do know any adjustment techniques I would appreciate your input. Thanks.






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 04-04-2010, 07:25 Post: 169712
gatoraider



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 AMT 626 quits when hot and will not restart

Lost your last reply in the shuffle. There are thumb screws or adjusting wheels, whatever you call them, along with an equalizer down on the brake pedal. Pretty much self explainatory, you want the equalizer to be at a right angle to the cables when you apply the brakes. If you run out of adjustment, you can loosen everything there and go back to the calipers and tighten the hex screw on the side behind the movable pad until the pads almost touch, then go back up front and finish. The pads and disc have to be clean and dry. Hydraulic oil is not good.






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 04-04-2010, 12:50 Post: 169730
bluebm3w



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 AMT 626 quits when hot and will not restart

Ok, so I may have to take the plastic cover/gaurd off of the pedal assembly to be able to adjust the equalizer and thumb screws. Also, my hydraulic reservoir was ok, the bolt at the bottom kept coming loose and letting fluid slosh out from around the main upper o-ring. Put a little aluminum thread lock on it and no more leaking. I am assuming the fluid was causing the bolt to loose its grip. I will give the brake adjustment a try, I may have more questions. Again, thanks for all your help.






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