Honda Recon won't stay running - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
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post #1 of 12 (permalink) Old 08-08-2016, 05:18 PM Thread Starter
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Exclamation Honda Recon won't stay running

I have an old 2000 Honda Recon, and it doesn't seem to want to stay running. The engine turns over and will run if I hit the throttle, but eventually it backfires and dies. I cleaned out the gas tank and freed up the petcock, and there is gas flowing. What should I try next?
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post #2 of 12 (permalink) Old 08-08-2016, 08:19 PM
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Will it stay running indefinitely if you keep feathering the throttle but dies if you let off the throttle? I am assuming this is a cold engine condition...Are you using the choke?

Darrell
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post #3 of 12 (permalink) Old 08-08-2016, 08:27 PM
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try a new spark plug?
is air filter clean?
clean the carb>
star there and see what happens
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post #4 of 12 (permalink) Old 08-16-2016, 05:14 PM Thread Starter
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Originally Posted by DT400 View Post
Will it stay running indefinitely if you keep feathering the throttle but dies if you let off the throttle? I am assuming this is a cold engine condition...Are you using the choke?

Darrell
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Originally Posted by mrbb View Post
try a new spark plug?
is air filter clean?
clean the carb>
star there and see what happens
I replaced the spark plug, and the old one was burnt out and black. Once I replaced it, it started easily and ran for a little while but it was blowing a ton of blue smoke out. After riding for a minute to test things, it died. It now takes a long time to start and doesn't idle at all again. The carb has been cleaned and there is gas flowing from what I can see. Any suggestions?
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post #5 of 12 (permalink) Old 08-16-2016, 06:22 PM
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I replaced the spark plug, and the old one was burnt out and black. Once I replaced it, it started easily and ran for a little while but it was blowing a ton of blue smoke out. After riding for a minute to test things, it died. It now takes a long time to start and doesn't idle at all again. The carb has been cleaned and there is gas flowing from what I can see. Any suggestions?
Answer my first questions.
Either running rich and/or weal spark.
Didi it have good power when it was running with the new plug?

Darrell
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post #6 of 12 (permalink) Old 08-16-2016, 06:27 PM
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ok, if its burning oil, lots of smoke, you could have a bad top end, and low compression , which will cause it to NOT idle well
I'd do a compression test here to see where your at
fast easy simple to do! and lets you know for sure where the motor is at on that
as all the fuel, carb adjustments you make will NOT solve low compression!
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post #7 of 12 (permalink) Old 08-16-2016, 06:39 PM
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Originally Posted by connorwerts98 View Post
I replaced the spark plug, and the old one was burnt out and black. Once I replaced it, it started easily and ran for a little while but it was blowing a ton of blue smoke out. After riding for a minute to test things, it died. It now takes a long time to start and doesn't idle at all again. The carb has been cleaned and there is gas flowing from what I can see. Any suggestions?
Answer my first questions

Was the plug fouled wet and oily or dry fluffy black?
It's either running rich/weak spark or something went south in the cylinder.

If the smoke was blue that is oil...rich condition is black/grey

Darrell
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post #8 of 12 (permalink) Old 08-22-2016, 10:21 PM Thread Starter
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Answer my first questions

Was the plug fouled wet and oily or dry fluffy black?
It's either running rich/weak spark or something went south in the cylinder.

If the smoke was blue that is oil...rich condition is black/grey

Darrell
The plug was dry and black. I've been working on doing minor things for the past few days and I still seem to have the same problem as I mentioned in my last post.
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post #9 of 12 (permalink) Old 08-22-2016, 10:41 PM Thread Starter
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Originally Posted by mrbb View Post
ok, if its burning oil, lots of smoke, you could have a bad top end, and low compression , which will cause it to NOT idle well
I'd do a compression test here to see where your at
fast easy simple to do! and lets you know for sure where the motor is at on that
as all the fuel, carb adjustments you make will NOT solve low compression!
It actually did idle well after the new plug was put in, but it died after five minutes and now doesn't idle at all again. I don't own a compression tester, so I'll look into buying one to test the compression soon.
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post #10 of 12 (permalink) Old 08-23-2016, 09:11 AM
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The plug was dry and black. I've been working on doing minor things for the past few days and I still seem to have the same problem as I mentioned in my last post.
Still need to answer the question will it run if you feather the throttle and NOT let it idle?

Dry fluffy black soot is rich.
Do you have a red/orange or a blue/purple spark?
Did you do anything to the carb before the issue arose?
If the spark is OK then it's fuel.
It might be something as simple as the the float/needle being stuck or debris between the needle and seat.
I would go ahead and pull the carb and check those items out.
You might just be able to pull the bowl and then take the float off and clean the needle and seat.

Darrell
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