Author Topic: Just one quick question about cleaning carbs...  (Read 2893 times)

Offline GooseMan

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Just one quick question about cleaning carbs...
« on: October 08, 2007, 04:45:27 PM »
If I plan to clean my carbs myself, do I have to mess with any of the jetting and/or carb settings when I take them apart?

The MAIN thing I'm worried about is that the bike seems to be running perfectly fine right now...so I dont wanna mess up the air/fuel ratio etc..when taking them apart. Cause I have NO idea how to tune carbs! :duh:
1991 Bandit 400

Offline Banditmax

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Just one quick question about cleaning carbs...
« Reply #1 on: October 08, 2007, 05:23:06 PM »
Don't bother if its running ok.

Offline gsxr400 racer

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Just one quick question about cleaning carbs...
« Reply #2 on: October 08, 2007, 09:24:54 PM »
Yes dont fix it if its not broke :stickpoke:
1988 gsxr 400 sp (sprint bike)
*  SELLER OF THE 442CC BIG BORE PISTON KIT FOR THE BANDIT 400,GSXR400, GK73 and 76.* And carb kits(orings)too. Email me from here.
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Offline pmackie

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Just one quick question about cleaning carbs...
« Reply #3 on: October 08, 2007, 09:50:29 PM »
AS long as you are careful with the float needle, and don't bend anything, nothing should change in the carb adjustment by taking them apart.

BUT, as the other guys are saying, why take them apart? If you think there is some junk in the bottom of the float bowls, you can remove the drain screws and drain them. If you capture the fuel, you can see if there is any crude, but even then, I wouldn't take things apart...
Paul
2002-GSF600S, Progressive Fork Springs, B12 Shock,
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Ex Bike Mechanic (late 70's), somewhat rusty
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Offline GooseMan

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Just one quick question about cleaning carbs...
« Reply #4 on: October 09, 2007, 12:44:55 PM »
Well, the bike runs OK...sometimes its hard to start tho (especially when warm), but it seems to run fine otherwise. It just feel like they should be cleaned, as I have NO IDEA when they were cleaned last...any maybe my bike isnt running at 100%.

As for the float bowls....how do I drain them? After theyre drained, do I have to put the petcock at PRIME, or just fire her up normally? Can I just clean the float bowls...isnt that where all the junk/crud gets stuck?
1991 Bandit 400

Offline PaulVS

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Just one quick question about cleaning carbs...
« Reply #5 on: October 09, 2007, 01:16:53 PM »
Run a double-dose of SeaFoam through the tank before you try tearing into the carbs.


Offline gsxr400 racer

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Just one quick question about cleaning carbs...
« Reply #6 on: October 09, 2007, 05:55:27 PM »
adjust the valves
1988 gsxr 400 sp (sprint bike)
*  SELLER OF THE 442CC BIG BORE PISTON KIT FOR THE BANDIT 400,GSXR400, GK73 and 76.* And carb kits(orings)too. Email me from here.
has been a wera expert #610 lol

Offline Bartjan

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Just one quick question about cleaning carbs...
« Reply #7 on: October 09, 2007, 06:28:24 PM »
you can buy special carb-cleaner fluids which your supposed to mix in the gastank to clean the carbs.

most of the time those are made 100% of kerosine. kerosine is alot like diesel, so just add a cup of diesel to the gastank next time and the carbs will be clean  :grin:

sounds weird, but works well..
1991 US Bandit 400