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By mike costa
Motor starts right up, but when I open it up past quarter throttle it bogs way down while ridding, the longer it runs the worse it gets. If I just leave it in neutral and give it full throttle it revs up and down.
Bike sat for 3 years,
Installed new plug, cleaned the fuel tank, took it to a shop and had the carburetor gone though.
Picked up from shop, motor bogged down first day and barely got me back to the truck an 1 mph.
Took back to shop after a month I was told it had a bad plug, I told him I just replaced it.
Got quad home and it is doing the same thing!!!!!!!!!
Thanks in advance for your support!
The carburetor has recently been gone through by a shop
It appears that the Service Manual thread at top of forum is dead as all the links no longer work. I'm actually looking for service manual for a 2000 KVF300 Prairie that I just picked up. Does anybody have link to one that they can share, or know where I can find one? Thanks in advance for any help.
By Steve Howard
Ran find shut down the quad next day would start and idle when you try to accelerate it would start popping through the carb got a rebuild kit soaked it in chem clean after break down for 12 hours on slow vibrate reassembled and adjusted per manual still the same thing any help would be really appreciated thanks and happy ridding
Let me start with I have about 30 years of ATC experience, but not much with stuff made after 1988. Some, but I'm mechanically inclined so it's all good. I"m rehabbing a 1997 Bayou 220 to send back into the wild and the mechanicals are now all good, just working on making the electrical system...electric. Right now, I have no power on the white wire as tested directly on the plug at the starter solenoid. I'm assuming that wire is supposed to be hot any time it's attached to a battery? The genius that had it before snipped a couple wires and inserted a fairly heavy push button for electric start bypassing the electrical system. I think i've corrected everything north of the solenoid but the white wire has me stumped. Is my assumption that this should always be hot with a hot battery correct? Does this indicate a broken circuit in the starter solenoid? Relay was also bad and wired incorrectly, but that's resolved and I can make the relay click bypassing the solenoid and connector, directly giving the white wire 12V. Thoughts?
I have a 2003 Kodiak 450 that i purchased a while back with around 300 hours on it. It has never ran right from the beginning. Initially i thought it was just a carburetor issue because it was all clogged up from sitting for months. It has been cleaned, rebuilt, and taken off probably about 10 times troubleshooting this problem. I have quadruple checked everything including float height ect and it is set correctly, the jets are also brand new, needle and seat have been pressure tested as well. So after all of that I am convinced that the carburetor is not the culprit. I have an issue where the idle is very choppy, almost as if it is misfiring with a rich condition on top of that. I can use a brand new plug and run the machine for just a few minutes and it will be a dry and and coated in black carbon build up. The exhaust also has a strong smell at idle. I had trouble restarting it when hot for a while, but i adjusted the valves and it seemed to solve that issue. They were both way out of tolerance (tight). The weird thing is, outside of idle it seems to run pretty well.
So with all that being said I have ruled out the carb/valves/compression and moved on to the ignition and this is where i have a few questions about factory specifications. I guess the main question I have is, how strict are these tolerances? And could them being off by this amount cause the issue I am having? Do all three of these parts really need to be replaced? I would like to know before I spend the money on these new parts, and it not fix my problem. Below I will list what the specs were in the service manual along with the reading i got. This is my first experience testing ignition components. I just found it odd that all 3 are out of spec according to the service manual.
Spark plug cap resistance: 10 kΩ at 20 °C (68 °F)
My Reading: 8.90 kΩ
Primary coil resistance: 0.18 ~ 0.28 Ω at 20 °C (68 °F)
My Reading: Fluctuated between 0.4 - 0.5 Ω
Secondary coil resistance: 6.32 ~ 9.48 kΩ at 20 °C (68 °F)
Reading was within the specified range.
Pickup coil resistance: 459 ~ 561 Ω at 20 °C (68 °F)
Reading was within specified range.
Rotor rotation direction sensing coil resistance: 0.085 ~ 0.105 Ω at 20 °C (68 °F)
My reading was 0.3 Ω
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