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Thread: No Spark on '98 Honda Foreman 450

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    Default No Spark on '98 Honda Foreman 450

    I have a '98 Honda Foreman 450 that is very ragged out. It was used on a crawfish farm and has about 14k miles on it.

    My daughter used it a couple months back and I am pretty sure she put it under water. It has not run since then. Now, it has no spark. I have looked in some of the Honda forums, and they have all kinds of things that could be wrong.

    Any ideas where I should start looking for the problem? This is probably not enough info, but it's a start.
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    Default Re: No Spark on '98 Honda Foreman 450

    Why do you think it went swimming?

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    Default Re: No Spark on '98 Honda Foreman 450

    Checked for spark at wire, right? Not through plug.

    Fuses.

    This is electric start? So it couldn't be the switch, right?

    Trying to think of cheapest, easiest to access items.

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    Default Re: No Spark on '98 Honda Foreman 450

    new spark plug, the kill switch on the handlebar is working. Fuses are all good.

    If I know how to use a volt meter, I could test the coil, and the ignition control module, and the rectifier.
    To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.
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    Default Re: No Spark on '98 Honda Foreman 450

    Well complete,

    The only way you will find the problem is learn how to use a multimeter, Then test each component per Honda's service manual for proper specs.

    You have a pulse module next to the flywheel, A ignition control module and the coil. The rectifier has nothing to do with the ignition system, It's the voltage regulator for the charging system.

    The pulse module is in the $35 range while the control module is $105 and the coil is $62....

    http://www.worldofpowersports.com/cg...p/oeparts.html

    If this machine went under water the first place I'd go is the flywheel (pulse module), If you remove the recoil cover you will likely have water pour out and find a rusted up stator/pulse module.

    BTW, You most likely won't find test specs on the control module. You test the pulse module and coil to find if the control module is bad or good by process of elimination.....
    Last edited by Wrench Spinner; 09-01-2010 at 07:12 PM.
    No equipment list, Just my Toy Truck......


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    Default Re: No Spark on '98 Honda Foreman 450

    Thanks Rob, your advise does help. It gives me a starting point.

    And, I know, I need to figure out how to use the multi meter. I have one, just don't know how to use it.

    By the way, I ended up buying a used Polaris 500. It is an '07 model and had 103 miles when I bought it. This rig was better than show room condition.
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    Default Re: No Spark on '98 Honda Foreman 450

    I got my hands on a shop manual for the bike. It tells me that I need a 'peak voltage adapter' attached to the multimeter in order to test the coil and the pulse generator.

    Do you know if there is a way around this 'peak voltage adapter' (honda part no. 07HGJ-0020100)?

    It also says to test the coil, and pulse generator first. If those two are good, then I should change the 'ignition control module' or ICM.
    To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.
    George Santayana

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    Complete Lawn Care

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    Default Re: No Spark on '98 Honda Foreman 450

    Quote Originally Posted by completelawncare View Post
    I have a '98 Honda Foreman 450 that is very ragged out. It was used on a crawfish farm and has about 14k miles on it.

    .

    Ahh, you 'mericans, yez are so funny, you use K the SI symbol for 1000 (part of the Metric system) ,

    and then you bang the word mile ( mile=the distance an Ancient Greek being chased by a lion could run in four minutes) after it, that's a crack up in anyones book,


    Get the cover off it as Rob suggests and you may see the fault, if things look OK and dry in there then its time to grab the multi meter and start measuring coils just checking for continuity would be advisable at this stage.

    Some pics would be good about now!

    Hot day here and my shiny dome is starting to burn, has anyone seen me 'at?
    Last edited by BORN TO MOW; 09-02-2010 at 02:04 AM.
    There is no such thing as a Gay baby, if there were, I'm sure there'd be a screening test for it by now, to allow for an early termination [/SIZE]

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    Default Re: No Spark on '98 Honda Foreman 450

    Born To Mow- I would think something like this would be nice:
    Attached Images Attached Images  

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    Default Re: No Spark on '98 Honda Foreman 450

    If only I could find where I left my Armadillo

    He is one spooky dood, reminds me a bit of the mythbusters dood.

    Speaking of which, my wife and my 8 yo daughter swear they saw the tall mythbuster about 4weeks ago in a Coffs Harbour shopping centre, they said people were staring at him, does anyone know if he was over this way?
    There is no such thing as a Gay baby, if there were, I'm sure there'd be a screening test for it by now, to allow for an early termination [/SIZE]

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    Default Re: No Spark on '98 Honda Foreman 450

    Quote Originally Posted by completelawncare View Post
    Do you know if there is a way around this 'peak voltage adapter' (honda part no. 07HGJ-0020100)?

    I'm not really sure on this one, I only work on Polaris but we have ANOTHER smart azz tech that works on the Honda's/Kawi's/Yamadog's etc.... I'll ask him about it tomorrow but I don't know of him having any fancy PVA for testing.



    BTM..... If I didn't know any better, I'd swear that's one of our resident site owners chrome dome in your avatar !
    No equipment list, Just my Toy Truck......


    The primary function of an Engineer is to make it difficult for the Fabricator and impossible for the Mechanic.


    "Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!

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    Default Re: No Spark on '98 Honda Foreman 450

    thanks Rob.... I really appreciate that...
    To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.
    George Santayana

    http://www.completelawn.biz/

    Never pass up a chance to learn something
    Complete Lawn Care

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    Default Re: No Spark on '98 Honda Foreman 450

    No problem complete,

    The peak voltage test would be something done in a warranty type situation, Honda wants all specs on faulty parts. In your case performing the ohms resistance test per the manual on the pulse module, coil and plug wire boot will show you if any are faulty.
    No equipment list, Just my Toy Truck......


    The primary function of an Engineer is to make it difficult for the Fabricator and impossible for the Mechanic.


    "Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!

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