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John Deere 285 won't start.

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Barry K. Monnet

02-27-2000 13:01:59




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I have a John Deere 285 with a 20 horse liquid cooled Kawasaki engine. Last summer it seemed to not have the power it used to have and was very hard to start. Now it won't start at all. Last ran at Thanksgiving. When cranking it does backfire lightly in the carb. Put in new plugs, checked fuel filter (it is getting fuel) any ideas?




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john brig

02-07-2004 12:05:45




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
I have a 285 that's 10 years old. Sounds like it could be one of the ignition coils. I have replaced lots of them over the years, they seem to be of poor quality but very expensive.



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Ted

11-25-2000 15:28:58




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
All so check the fly key.
Ted



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Ted

11-25-2000 15:10:52




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
Pull valve covers off both sides,spin eng over and watch valves move. If they do not move,you may have have the pop rivets stripped that holds the plastic cam gear to the cam shaft.
This happened on mine, I pulled the engine and cam gear and replaced the pop rivets with # 10 machine screws and J B weld.
Worked like a charm!
Ted



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Beitz

02-28-2000 17:46:40




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
It sound like a burnt intake valve...or sticking



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Matt

02-28-2000 15:16:56




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
Another suggestion would be to check your choke. By the sounds of your problem with backfiring that is usually a sign of a rich fuel mixture. Your choke adjusment may have moved and is constantly open. This would allow the mower to start but would reduce the power to nothing.



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Brad

02-27-2000 21:10:06




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
Sounds as if the engine is trying to run on one cylinder,just the right one most of the time when this happens.When the engine is at ambeit(sp)tempt.check the val adjustment,they should be set at .008 both int and exh.This engine had problems with the val's sticking and pushrods falling out of place.
Also check the air filter,use a flashlight,light should be round in the element,if all you see is line's change the filter.
Good luck!

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Stephen Beaver

02-27-2000 13:35:21




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 Re: John Deere 285 won't start. in reply to Barry K. Monnett, 02-27-2000 13:01:59  
Does it have points? I have a mini-bike and once it would not start, just backfire every-once-in-a-while and spit a blue flame up the carb.. The bolt for the arm for the points was loose. Otherwise, it is probably somthing in the ignition. I don't hardly know anything about any engines except for Briggs and Tecumseh. But I would doubt that it would be anything in the block itself, (since it did not stop running all at once). I may be wrong, though. I'm only 13! If it is new (or near new) it is probably not wear in the cylinder, (unless you have let it run low on oil). Also check if the flywheel is on right, (this affects the timing, and in turn the ignition). Hope you get it running. I have got lots of work to do to my Gilson before I get back to mowing.

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