Kawasaki Engine Bogs/Dies Under Load Diagnosis & Repair John Deere LX277 Tractor With FH500V Engine

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We diagnose and repair a no spark issue on this John Deere LX277 riding mower. It was brought in and customer notated it bogged down when in high grass and didn't seem to have full power.
Low power from your engine is a common issue of a bad coil whether caused by vermin or a short! We replace the ignition coil and wiring to get the customer back running
Ignition coil part number is 21171-7034 which can be bought at amzn.to/3t6Fi9o
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#johndeere #kawasaki #smallenginerepair #individualizedrepair #smallbusiness #diymaintenance
About Us:
My name is Martin. I have been repairing tools and small engines for almost 20 years. We operate a small engine repair shop in Illinois. We service / repair Briggs & Stratton, Kohler, Kawasaki, John Deere, Cub Cadet, Toro Tecumseh, Loncin, Honda, Craftsman, Husqvarna, MTD, Troy Bilt, Simplicity, John Deere, Exmark, LCT, Generac and many more brands. We work on riding mowers, walk behind mowers, snow blowers, zero turns, generators, pressure washers and much more. We normally repair about 3,000 pieces of equipment every year and look at many more that are beyond an affordable repair. Hopefully our videos will save you some money and give you the information you need to work on your own equipment or figure out the issue at hand.
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Please be careful when repairing any piece of equipment and follow all possible safety measures. This video is for entertainment purposes only.

[@ababababeebababa]

great video and clear explanations ... I was convinced this was my problem but it turned out to be a bad fuel pump and carb.

[@IndRepair]

I appreciate that! Glad you got it fixed up!

[@philliphall5198]

Thank You’ll for information and video The more you watch the more you learn, just do it and learn the most

[@IndRepair]

Thanks for watching! Not much else worth doing other than learning something new!

[@manyfeather2knives423]

I started to leave the hood open when stored in the barn. That really seems to help. Not exactly sure why but worked for me

[@IndRepair]

Not sure why it would help but if it works ot works! Thanks for watching!

[@jeffreysenior]

My problem was the clip on the coil was real loose. Tighten it up. Problem solved running on both cylinders.

[@IndRepair]

Great job! Thanks for watching!

[@user-cz3cr9wi4y]

Hi I’m experiencing the same problem. It was only firing on one cylinder. I changed the 2 coils but not the “wire”. I did the test again and both cylinders are firing. But still a loss of power when in high rpm. Help please.

[@IndRepair]

Does it smooth out if you give it a little choke?

[@user-cz3cr9wi4y]

I will try that, will a bad wire that connect to the coils with clips cause issues? Because I didn’t change that. I didn’t see any signs of damage. But I’m going to try giving it a little choke and let you know. Thank you for the response🙏

[@user-cz3cr9wi4y]

I also changed the carb and plugs. I forgot to tell you it’s a Wright Stander kawasaki fh430v

[@IndRepair]

Did choke smooth it out?

[@user-cz3cr9wi4y]

Hey ,no it didn’t do anygood. I had put a new 10mm that holds down one of the coils. The bolt seems a little shorter than the original 10mm bolt but it’s tightened down securely to the head. Will a shorter 10mm bolt on the coil cause a problem?

[@markgerdes3402]

great video. im working on a fh430 that showed the same problem initially . runs very rich under load and loses power. runs perfect at idle. both cylinders fire. carb has no vent like the 500. only adjustment is idle air/fuel on top. makes no difference how its adjusted. ive changed the coils, plugs, wires. no difference. cleaned carb, ran the valves. machine has 60hrs on the clock. no one can seem to fix it. what say you? thanks

[@IndRepair]

Does it make popping noises or just overall low power? Deck isnt locked up somewhere? Sounds like fuel/air mixture issue or bad fuel? Could be a blown head gasket but normally don't see with that low of hours on this engine

[@markgerdes3402]

@@IndRepair machine is a walk behind gravely, about 2004 model. seems to do better when cold. about an hour in starts to loose more power and more unburned fuel. seems like carb problem but float is working. back at idle, cleans up and smells normal at exhaust. almost seems like the main jet is to big? or not enough air? have not tried another carb yet. everybody says bad coils but i swapped them. rest of the machine is original. nobody has messed with it. thanks. mark

[@IndRepair]

@@markgerdes3402 I would lean towards a carburetor issue with the hours on the unit. Intake gaskets that were removed should be replaced when you have it off to make sure you don't have an air leak also.

[@IndRepair]

I would also say that on a similar intake I have seen the plastic mold have a leak that would get worse once hot

[@philliphall5198]

Aluminum manifold will explan hot and let more air thru

[@cysherlock6457]

Have a ride mower with kawasaki 15 hp motor. Runs rich new plugs didn't help new caraburator didn't help. don't what to do next Ran good for 19 years

[@IndRepair]

I would check compression first the work through the fuel system to the ignition but normally a carburetor issue with something like this. The oil doesn't smell like fuel by chance?

[@A-mechanics-review-4U]

cam lobe sheared off of one i was working on, just intake lobe on 1 side, lady said she over filled with oil and ran it any way. 5 ac. lot overgrown 2 tanks of gas(both sides of toro zero) rotate by hand with valve covers off and make sure all 4 valves move after 2 turns

[@IndRepair]

Nic3

[@davegallipeau2689]

Do you have the information on the wiring harness? Part number?

[@IndRepair]

The wiring harness for the LX277 is AM131690