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Honda 4-wheeler

danielgage
my son has a 2003 Honda Rincon 4-wheeler

it started missing or cutting out when in gear moving but it starts and idles just fine

we have changed spark plug and put some sea-foam in the gas tank

which has not helped

any ideas before I have to take it to the Honda shop [?]
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Comments

25 comments

Date Votes
  • asphalt cowboy
    While sea-foam in the gas works frequently, it's not a cure all.
    Tear down the carbs and clean the jets. Most likely the pilot jet is crudded up.
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  • 4440rk
    Not sure about a Honda but would replace fuel filter before going to the work of tearing down the carbs.
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  • jimdeere
    I have a 99 Forman doing the same thing. I have disassembled the carburetor 3 time and it?s still gagged up.
    It will start fine but when I try to pull out, it coughs, backfires, and dies.
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  • shilowar
    If you're running ethanol gas that's no bueno for carbs. Had a quad carbed CBR1000 that had to have the carbs rebuilt because of the varnish in ehtanol gas. After that all I ran was PURE gas.
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  • danielgage
    running non-ethanol gas
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  • savage170
    Check for vacuum leaks and there was some Hondas about that time frame that the camshafts wore out prematurely
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  • SCOUT5
    Like Savage said check for vacuum leaks. If the air lead into the carb is a rubber hose I have seen those split between the air filter and carb.
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  • danielgage
    thanks everyone
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  • Okie743
    You can get a 2nd opinion at this link.

    https://www.hondaatvforums.net/

    Most of them ATV carbs have a drain screw or plug in the bowl. Loosen the screw while the engine is cold and let the bowl drain.

    I have to do this to my Honda and Yamaha ever once in awhile when they get PMS. (and use non-ethanol gas or you are asking for trouble)[;)]
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  • wiplash
    Check your parking brake safety switch on the left handlebar. They designed them to do just that if it was on. Sometimes they need to be adjusted or even disconnected to fix the problem.
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  • danielgage
    quote:Originally posted by wiplash
    Check your parking brake safety switch on the left handlebar. They designed them to do just that if it was on. Sometimes they need to be adjusted or even disconnected to fix the problem.


    I think you maybe right THANKS

    can I tighten it up or do I need to get a new one[?]
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  • danielgage
    quote:Originally posted by danielgage
    quote:Originally posted by wiplash
    Check your parking brake safety switch on the left handlebar. They designed them to do just that if it was on. Sometimes they need to be adjusted or even disconnected to fix the problem.


    I think you maybe right THANKS

    can I tighten it up or do I need to get a new one[?]


    I think I will try to tighten the brake lever up by adjusting the wing nut at the rear brake drum
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  • danielgage
    that did not fix it
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  • remingtonoaks
    Have you checked the timing?
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  • danielgage
    no sir

    I reckon I will take it to the Honda shop

    thanks everyone
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  • wiplash
    quote:Originally posted by danielgage
    no sir

    I reckon I will take it to the Honda shop

    thanks everyone


    Before you do, try wiggling wires. Spark Plug, Coil, connections ect. Mine does the same thing sometimes so I stop, shut it down and mess with the wires and it fires right back up and runs great again!

    I'll be damned if I can find the one giving me the problem though!
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  • asphalt cowboy
    quote:Originally posted by wiplash
    quote:Originally posted by danielgage
    no sir

    I reckon I will take it to the Honda shop

    thanks everyone


    Before you do, try wiggling wires. Spark Plug, Coil, connections ect. Mine does the same thing sometimes so I stop, shut it down and mess with the wires and it fires right back up and runs great again!

    I'll be damned if I can find the one giving me the problem though!


    Disconnect all one by one and treat them to dielectric grease. It will improve electrical contact and go a long ways to weather/water proofing them.
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  • hillbille
    second the fuel filter, had a kawasaki that did the same thing, put inline filter on it, whenever it started to act up, just changed filter..... only few dollars, cheaper than shop.......
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  • SCOUT5
    quote:Originally posted by danielgage
    no sir

    I reckon I will take it to the Honda shop

    thanks everyone


    WAIT, Wait!

    Just keep doing what we tell you. Then when you take it to the shop there will be enough wrong with it to justify the cost.
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  • danielgage
    quote:Originally posted by SCOUT5
    quote:Originally posted by danielgage
    no sir

    I reckon I will take it to the Honda shop

    thanks everyone


    WAIT, Wait!

    Just keep doing what we tell you. Then when you take it to the shop there will be enough wrong with it to justify the cost.


    [:D]
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  • tomh.
    Does it miss when you rev it in neutral? Or just when it's in gear and moving?
    If this miss is all the time, most likely, there's something in the main jet.
    I think you can remove the black panel on the side, loosen the carb clamps and turn the carb enough to twist the carb. There's a plug on the bottom of the carb. Remove that and the main jet is under that. Main jet is a slotted screw type. Remove it, blow it out.
    I could be wrong. [:I] I used to do this for a living, but it's been a while.
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  • danielgage
    quote:Originally posted by tomh.
    Does it miss when you rev it in neutral? Or just when it's in gear and moving?
    If this miss is all the time, most likely, there's something in the main jet.
    I think you can remove the black panel on the side, loosen the carb clamps and turn the carb enough to twist the carb. There's a plug on the bottom of the carb. Remove that and the main jet is under that. Main jet is a slotted screw type. Remove it, blow it out.
    I could be wrong. [:I] I used to do this for a living, but it's been a while.


    seems to rev up fine in neutral

    misses when in gear moving
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  • tomh.
    I'm still thinking carburetor.
    I don't think there are any safety switches on a Rincon that would cause this issue. That would have to be something that would retard the ignition, and I don't remember anything like that. Not that you couldn't have some electrical issue causing it. And not that my memory is what it should be! But I'd start with the carb.
    I looked online at some photos and the Rincon doesn't have a plug like I thought. But the carb should come out easily. Loosen the clamps and pull it out of the manifold & airbox boot. I think you should be able to get it out & flip it over without loosening the cables, etc.
    Just flip it over so it's upside down. The only thing loose in the bowl is a plastic baffle over the main jet.
    Since you're there, take out each jet and spray some carb cleaner & compressed air through it. And also the long tube with the hex that the main jet screws into.
    This is really a pretty simple operation and probably worth a shot if you're feeling mechanical.
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  • danielgage
    OK thanks
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  • mjrfd99
    Our problem was a bad ground. Loose battery connection.
    In these days of computers - the computer wants the correct voltage/milliamps whatever or they don't work right.
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