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carb cleaning 2002

Started by randy0211, June 13, 2012, 12:52:49 PM

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randy0211

I need some help cleaning the carbs on a 2002. Reason: Rough Idle and gas in the crankcase and air filter box.

1)One of the jets is is clogged and I cannot get it to be clean. I think its the middle jet.
2) I took the float off, do i need to adjust anything? (i hope this fix the leaking gas problem)


(I am about to just give up and send this unit to buddah)

BenX

I just cleaned my carbs on my 93 gs. It only has two jets but you should be able to remove all 3 jets on yours and clean them. Use a small wire to unclog them if need be. I didn't adjust my floats though.

randy0211

how would you adjust them? i just took them off and put them back on

BockinBboy

#3
You adjust float height by GENTLY bending the small metal tab.  The first pic below shows it on the older model carbs, and the second pic shows it on the newer model carbs like yours should be.  You should use the U-tube drain method to determine equal float heights between your two carbs while you are in that area.





- Bboy


Sonic Springs, R6 Shock, R6 Throttle Tube, Lowering Links, T-Rex Frame Sliders, SW-Motech Alu-Rack, SH46 Shad Topcase, Smoked Signals, Smoked LED Tailight, ZG Touring Windscreen

craigs449

Float height on the 01-02 carbs should be set at 13mm (+/- 1mm).  To do this, hlod the carbs at an angle where the float needle valve spring is depressed (not full seated....you will see the difference), with the carb float in that position, measure from the base of the carb body to the lowest point of the float to the above listed spec.

BTW, the gas in your crankcase is either due to floats being set too high, or most likely needle valves/seats need to be replaced. 
2001 Suzuki GS 500 "Commute Killer"
2008 Husqvarna 510 SMR
2002 Honda CR 250 "Project Pain-in-the-ass"
2001 Honda XR 50

randy0211

Thank so much fo the input guys....

randy0211

Quote from: craigs449 on June 13, 2012, 06:38:57 PM
Float height on the 01-02 carbs should be set at 13mm (+/- 1mm).  To do this, hlod the carbs at an angle where the float needle valve spring is depressed (not full seated....you will see the difference), with the carb float in that position, measure from the base of the carb body to the lowest point of the float to the above listed spec.

BTW, the gas in your crankcase is either due to floats being set too high, or most likely needle valves/seats need to be replaced.

I am trying to do as you say but it kind of hard..

that is the valve spring? the metal part you bend? what are the needle valve seats? thanks in advance

craigs449

Quote from: randy0211 on June 18, 2012, 02:32:09 PM
Quote from: craigs449 on June 13, 2012, 06:38:57 PM
Float height on the 01-02 carbs should be set at 13mm (+/- 1mm).  To do this, hlod the carbs at an angle where the float needle valve spring is depressed (not full seated....you will see the difference), with the carb float in that position, measure from the base of the carb body to the lowest point of the float to the above listed spec.

BTW, the gas in your crankcase is either due to floats being set too high, or most likely needle valves/seats need to be replaced.

I am trying to do as you say but it kind of hard..

that is the valve spring? the metal part you bend? what are the needle valve seats? thanks in advance


the part that needs to be bent up or down is the "tang" in between the floats (it's attached to the floats......the needle valve hangs on it).  The needle valve seat is what the needle valve goes int.....looks like a brass hollow plug held in a a small phillips head screw.  You will probably have to wiggle it out of it's hole with a pair of channel locks (be careful) because of the o-ring that is around it to keep a good seal in there.
2001 Suzuki GS 500 "Commute Killer"
2008 Husqvarna 510 SMR
2002 Honda CR 250 "Project Pain-in-the-ass"
2001 Honda XR 50

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