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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.
So when im ridding in high gear randomly sometimes it will go into a persay limp mode and only allows a max of 30kmph and it sounds like a rev limiter, what would cause this and how to eliminate this all togeter as in the new ones with the over ride switch. its the sound that it does in low range or reverse. i want this gone period when i get stuck in mud i cann spin tires fast enough. and while im in high gear i dont want this happening. if you need more details the easier way of getting a hold of me rather then the forum is my email [email protected] i dont have time to check back here oftern but i get my emails right away.. thanks guys
Hi all, new member here.
Picked up a really cheap non-runner last night from a neighbor. He had gotten it from someone else who had rebuilt it a few years ago and it has decorated his garage since.
It is an early-90's (1992 or 93?) Suzuki LT250, but the weird part is the engine is a neon green color. I am now wondering if someone swapped the original motor out of this quad. Does anyone have experience with these that could give me a pointer as to what this could have come out of? I have heard that some Arctic Cat models had the same Suzuki motor - could that be where this came from? It is a 2WD, and has the typical chain drive/RWD system with both front and rear (rear drum) brakes. Very little rust and mostly complete, for the price I paid it isn't bad, but I am not sure how to pinpoint the engine type, and I would like to have that figured out.
Just want to make sure what I am dealing with before ordering parts. I will need a carburetor by the looks of things, and air/oil/fuel filters, plugs, etc.
Thanks in advance for any help, appreciate your experience with these quads.
Anyone know where to locate these, or generics? The generics I seem to find have the mount on the wrong side versus the hose outlet. PITA!
Also, is the rear master cylinder rebuild kit any good?
Figured I ought to post a little introduction for me and my newly acquired quad. I just recently picked up a 1985 Suzuki lt250ef in pretty rough shape but a good price. Need typical things like tires, tune up, and a couple other things. Came to this forum looking for a service manual and maybe so parts. I'm looking for mostly the rear brake light assembly being as someone apparently decided to remove it at some point and bypassed the wiring. Also any pointers to typical good practices on these would be nice but I like to think I am fairly mechanically inclined. Any help is appreciated, thanks!
I have a gentleman that asked me to service his bayou for him. I have always wondered what oil should be used in atv engines? Pros? Cons? What weight should be used in what type of weather? Is there one kind that I could bulk buy and safely used in any quad I worked on or owned? What about performance? Engine Life? This has always been a 🤔🤔🤔 area for me with quads as far as why you would use one type of oil over another....
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