Grizzly 600 has no spark!! - Yamaha ATV Forum
 
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post #1 of 7 Old 03-12-2002, 09:55 AM Thread Starter
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Hello all;
My 2000 Grizzly 600 won’t stay running. The problem appeared while running down a level dirt road at 50 Km/hr and then the ATV just quit running. I coasted to the roadside, stopped and restarted the ATV right away. I then drove another 20 K when it once again quit running while going down a hill, I stopped once again to restart the ATV but she won’t stay running. The engine will start after some effort and then idle for no more than 10 seconds and the moment you touch the throttle it stalls. I got the ATV home and I checked for spark (GOOD SPARK) replaced the spark plug (OLD PLUG GOOD TAN COLOR), check the fuel line, remove the needle and jet checked the float and reassembled. At this time the ATV started right up and idled and rev under throttle for about 5 minutes. I let the ATV idle some more when it just quit, I restarted and it once again idled as normal for about 3 minutes before stalling. I have not been able to restart it since. It almost seems to starve for fuel or could this be an electrical problem? Like I said the ATV runs and idles normally and then just quits like when you use the kill switch. All comments or suggestions would be appreciated.

Thanks, Jeff Sutherland
2000 Yamaha Grizzly 600
2300 Km since new.

Hello all;
Here’s an update on my Grizzly problem. I don’t have spark any more!! I have checked for the ignition pulse at the spark plug coil while cranking the engine and have even held the spark plug in my hand and guess what, no shock. I have verified the connection from the coil (orange wire) to the C.D.I. UNIT ASSY. Does anyone have an electrical schematic that you could e-mail me or know of anyway to test the C.D.I. UNIT? I also checked every connection on the ATV and they all look good, inside and out checked all fuses and reseated them. All comments are welcome.

Thanks, Jeff Sutherland.


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post #2 of 7 Old 03-12-2002, 02:53 PM
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Hmmmmm...well as far as I know, there is no way to check the CDI unit. So the orange wire going to the coil is getting spark? Or no?


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post #3 of 7 Old 03-12-2002, 03:38 PM Thread Starter
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Quote:
On 2002-03-12 13:53, screamin96 wrote:
Hmmmmm...well as far as I know, there is no way to check the CDI unit. So the orange wire going to the coil is getting spark? Or no?
The orange wire from the CDI UNIT to the spark plug coil ohms out perfectly. When I put my 12volt lamp tester on the coil and crank the engine I don't get and voltage going into the coil. Could this also be a STATOR problem??

Thanks for your response, Jeff S.


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post #4 of 7 Old 03-13-2002, 02:40 AM
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Could be the stator. Check the resistance with an ohm meter. But for some reason it sounds like some kind of safety switch somewhere.


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post #5 of 7 Old 12-01-2010, 06:01 AM
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I also have a 600 grizzly and I don't have any spark either I tried the cdi and the stater also a new ignition coil I don't know where all the safetyswitches are does any one know everything that has to be made for this atv to run .
.
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post #6 of 7 Old 12-11-2010, 06:11 PM
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I was running my 450 Kodiak today and it just stopped running. I'm not getting any spark at the spark plug. Does anyone have ideas as to what I should or could do to fix the problem?
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post #7 of 7 Old 12-16-2010, 11:23 PM
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If you had a bad stator and changed it to get spark the first time around, why do you not suspect the replacement stator being faulty?

Did you replace the other ignition components with new or used?
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