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Below is a quote from a response to similar question from yesterday:
"Easiest thing to check is trash in the main jet. if it idles fine, then the idle circuit and low speed jet is clear. if it bogs off idle that's when it's transitioning to the main jet."
I will go ahead and open up the carb and check the main jet, but please respond to this post as if the main jet is squeaky clean.
Below is my post:
Only starts and runs on Full chock.
Does not matter what position I have my "mixture" screw. Tried it at zero, 1 turn, 2 turn, up to five turns. Spent a few hours confirming that the position of the mixture screw does not resolve issue.
Runs great at idle and if I slowly engage throttle, it will rev up as expected. But, quick rev up or when I am trying to drive it, it spits and sputters and looses power.
I also use a propane bottle and did not find any obvious leaks, and the vacuum port is hooked to fuel peacock and I also made sure to simply block the port with my finger to see if that would resolve the issue.
New Carb (after market), New Coil, Fresh Gas. No leaks at manifold boot, hot battery. Good gas flow. Runs too good to be a valve issue, or cylinder, great compression.
I can move the choke out a tiny bit, and it will still run, but will still bog down when I try to power it up.
I also have a 250 trail boss Polaris that I require to run at full choke, but it has power at all throttle potions.
I suspect it is running rich as the choke is on, but will not run with it off.
Any details would be appreciated.
I just bought these in the fall as a pair and of course they were running awesome with no problems at that time.
One of them now will only start with starting fluid. It runs great once it's started, but absolutely refuses to start without a squirt of the good stuff. The other one starts just fine, but dies after it gets warm. The only way to keep it running is to keep the throttle up. It won't run at an idle, and keeping it running has the throttle too high to shift. Any ideas or suggestions are very much appreciated!!!
John from Shelley, Idaho
I have a 2001 suzuki quadmaster 500 4x4 that has a rev limiter when it is in any gear other than neutral, i have already fixed a bunch of stuff on it and would love to just bypass it if anyone knows how. Thanks for any help.
By Mike Johnson
Hello again guys ,. I have a Quadmaster that has a very bad lean to my passenger side wheel. I replaced the a arm bushings with no change in the lean, I see no bent parts and no adjustments available. It's always been there since I got it but became really noticeable when I put the lift kit on it. I'm going to add a picture of the problem if allowed.
OK, sooo I finally did the old skid plate and screen removal to clean out my oil sump during an oil change... This bike only has a couple thousand miles on it. Runs like a top still... Very few issues over the years after buying it used.
But boy I wasn't expecting to see this! Piece of a circlip, stuck up in the screen, and a another shard of metal and maybe a piece of gasket material. Nothing in the oil but that... Pristine otherwise, and still runs like a top. Always has.
Soooo, is it a wrist pin clip? That's the only thing I can think of like this that could end up in there. But definitely wanted to throw it out to guys that have seen the innerds of these more than I have.
The valves on this thing are still within the factory spec even. Been a really good lil workhorse...
Any other ideas?
By ronald webb
So where to start my son's LT80 stop running a couple months ago. Naturally I assumed I had a carburetor issues or the peacock valve. After replacing those two items and ensuring I had a spark I started doing my homework thus finding this page. After all the post I have read the next natural thing would be compression I did a compression test today and it was only 60 after spraying WD-40 in it so off comes the cylinder head and The Jug to my surprise the cylinder walls and all the gaskets are pristine so I am totally stumped no idea why I would not have compression when everything looks brand new even the Rings look great any help would be appreciated thanks in advance
I have a 99 250 Quadrunner. Currently has no spark. It would run for 5 minutes, then shut off. After it cooled down about 20-30 minutes, it would start again. I ordered a new stator and found the old one was damaged (copper windings broken) I installed the new stator, filled with oil and now it has no spark. Any assistance would be helpful
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