1990 Suzuki Quadrunner 250 2wd; wrong carb?

[dalea]

Hi All,

I have a 250 quadrunner 2wd and the title says 1990 and the vin number checks out right but I got it used and have had it for several years. I'm having fits with the carburator and have the factory service manual but the carb pictured in the book is different from mine and i can't even find a similar model on ebay or anywhere. I bought a kit for it and the float needle is different and that is the main problem I'm having. I can get it started and idling fine then the next day it won't hardly start. It's about to drive me crazy

[dalea]

With the old needle it pours gas out in the carb and the new float needle won't let gas into the crb as though it's blocking the vacume. Once i get it started it will run fine till i cut it off.

[dalea]

here is a photo of the carb....no number anywhere

[BuckBilly]

All I can remember is that is not a stock carb for that model.

[dalea]

Hi Buckbilly,

Thanks for your reply. What would be involved in changing over to a different carb? What would do about the throttle and choke cable? Would the set up be the same for a different carb?

thanks again

[BuckBilly]

Here is a link to Ronnies mail order. Ronnie's Mail Order for atv parts, atv tires, snowmobile, watercraft and motorcycle featuring an OEM microfiche parts finder. This carb should be a direct bolt on with no mods. Back in the day alot of people switched out the stock carb for a 230 and 250 quadsport carb because it was bigger. Some dealers done this if it was sold with a snow plow to. Check some other parts sites out to, you might find a better deal on one.

[DirtDemon]

Changed thread title to include make and model.

[dalea]

The price rules out a new carb and I'm not sure I actually need a new one. Where can i get a page or two discussing the various settings of adjustment for the carb i have?

thanks

[DirtDemon]

I would start by getting a new float stopper for an LT-230s or 250s and see if it fits your carb. Then, I would see how it runs the way it is with the proper float stopper, check the plug and tune from there if needed.

[dalea]

Hi DirtDemon,

Is it possible to get one without buying the whole carb kit? I haven't seen one in a kit like mine as it has a small spring retaining clip at the top of it. I wonder if anyone on line has a schematic of the different carbs and covers the various adjustments. I doublt the specifications in my manuel will be the same.

thanks

dale

[DirtDemon]

Does this look like the right one, you can buy the parts individually at any dealer or online parts supply.

http://www.bikebandit.com/1990-suzuki-motorcycle-lt250sl-carburetor/o/m6381sch241420

You can get the needle valve and seat set a little cheaper at Babbitsonline.com or at Servicehonda.com and Service Honda has a really clear schematic of the carb. Just use the parts search and look up a 1990 LT-250s.

Edited May 19, 2010 by DirtDemon

[dalea]

Hey Josh,

Man, You're hard to guard! Thanks a million. I'll let you know how it goes.

thanks again

dale

[DirtDemon]

You are welcome and good luck to you.

[dalea]

O.K. gentlemen,

now, I can get it running and ideling great and it will constantly start back up for several hours. The problem now is the next day it won't start again??? It seems as though once it's warm everything is fine but after sitting overnight I'm back in the same boat.

thanks

[DirtDemon]

Check the valve lash.

[dalea]

Hey Dirtdemon,

Man you sure called that one right. I was a little apprehensive about doing the valves but it wasn't as hard as I thought it might be. Anyway, once I adusted both ehaust and intake it fired right up and has been doing great ever since.

thanks a million.

dale

[DirtDemon]

No problem man, glad you got it figures out.