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Similar Forum Topics
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By heath
i just bought a yamaha moto 4, i have sprayed 'start ya barstard' into the carb and on the spark plug and it doesnt even fire! although when i have the spark plug on the outside of the motor it shows spark, the engine also leaks oil from the starter,
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By Brian Emerson
Hi Guys, this Quadmaster has an extremely loud bang after turning key off (from idle), scares the stock, dog and missus, any ideas on what to check.
Thanks and regards,
Brian
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By Params_sweden
Hi!
I got my KLF300 running again with your help a couple of months ago, at that time it was the ignition coil that had failed. It has been in use since then without issues until two weeks ago.
When the new issue showed I was going at about 10km/h and it suddenly slowed to a halt. I started it again after that with choke and I drove it 400 meters and parked. Next time it was really hard to start, and since it was low on gas I thought that was the problem. It didn't get any better with a full tank, so I assumed it was the cold weather, and adjusted the pilot slightly.
After that it I actually got it started again with full choke and some slight gas, I drove about 300 meters and then it slowed down to a halt again. After that, it hasn't started again.
The compression is 165psi. The spark has good intensity, the ATV has functioned before with the same spark "intensity"/light. I *assume* that it has gas as well, there is definitely gas on the spark plug when I remove it
I have checked the carburetor slightly, the float works, diaphragm looks ok, but I haven't disassembled it to really look for dust and such in all the small places.
My theory right now is that it might've been some dust in the gas tank that went into the system, it's just a theory
I'm thankful for all the help and pointers I can get, don't hesitate
/ Pär, Sweden
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By JoeB
Hello, Trying to see if anyone on here has been into these trails yet this year. I havn't been in in almost 10 years and am not sure of the conditions. Last time I was in was over 10 years ago and I went in on a 2wd quad, someone thought the mudholes had gotten far to large for that now. We have winches and recover gear and 2 of 5 quads have 4WD. I also cant recaul if the road into the trail head is high grade or not, was hoping to use our class c motrhome as a tow rig, but if its not graveled its not worth getting it stuck if it rains.
Thanks
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By unirambler
My son and I were "gifted" a KQ300 that doesn't run. I am beginning to try to figure out what is happening - and what is missing/disconnected. I connected a battery and found that it does have spark. I was able to get it to fire briefly when I sprayed some carb cleaner in to the carb. So, I am assuming that it is just a fuel issue. I'll begin by checking the stopcock and fuel pump and then take the carb off and clean it.
However, I am finding other things that are missing and not sure if they might affect this. I tried to test the voltage regulator/rectifier only to find there isn't one. I know there are a bunch of hoses disconnected and possibly some missing. Also, the air box was removed and all parts of the air filter are missing. The throttle cable is disconnected but I did get the cover that needed to be removed to disconnect it. Do you all see anything else that looks like it is missing from the pictures below?
Is there anything else I should test for it not firing? Thanks for any help. This is my first quad so I am learning as I go.
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