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 Idle mixture screw problems
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Joined: Jul 2006
Posts: 15
Complete Newb
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OP
Complete Newb
Joined: Jul 2006
Posts: 15 |
Help!
My RH carb (2002 Boony)was running rich with the screw all the way in (40 pilot jet-now called a 42 I believe) despite a Unifilter and TORs. Taking the mixture screw out, half the rubber O ring fell out and some minute rubber particles. There was no metal washer, so I imagine someone graunched the spring into the rubber.
I contacted my local Kawasaki Dealer- no dice. Steve Collins doesn't have any. Does anyone have a couple of O rings to spare or point me somewhere? I will send a crisp $10 bill to anyone who can fix me up.. Problem is dealers don't want to special order 50 cent O rings.
I went to the Kaihin website but could find nothing on our carbs whatsoever.Bellacorse don't stock OEM stuff.
PROBLEM2.
My LH carb has the correct O ring (worn maybe) and washer, but I have to screw it all the way in for the best idle speed, plus a plug examination shows the mixture actually looks pretty good.Could this be a float level issue??
DINQUA are you out there lurking??
Thanks
Stu 352 489-3458
stu
2001 Bonneville
2003 Ninja 250
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 Re: Idle mixture screw problems
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
From Tech Vault: Quote:
honda part # 16075-KG8-901 is a honda mixture screw o-ring.
it is like $2 and change for 1 and can be ordered as 1 or more.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Idle mixture screw problems
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Anonymous
Unregistered
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Anonymous
Unregistered
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Do breathing mods make much difference at idle and low throttle position/RPM? Seems to me that less restrictive pipes and air box mods or running pods and the like would come into play higher up the curve.
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Re: Idle mixture screw problems
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Joined: Jan 2005
Posts: 9,223
Big Bore
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Big Bore
Joined: Jan 2005
Posts: 9,223 |
Sounds like you want to fix this tomorrow (Sunday)? Problem is, most bike shops are closed.
I would suggest ACE or perhaps an auto parts store. Take both O-rings with you and find the best fit and if necessary, deal with a bike shop on Tuesday...
"Never underestimate the power of human stupidity" - Robert Heinlein
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Re: Idle mixture screw problems
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
Quote:
Do breathing mods make much difference at idle and low throttle position/RPM? Seems to me that less restrictive pipes and air box mods or running pods and the like would come into play higher up the curve.
Breathing mods (more air) do make a difference across the entire throttle range, but more so higher up, less down low.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Idle mixture screw problems
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Joined: Jul 2006
Posts: 15
Complete Newb
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OP
Complete Newb
Joined: Jul 2006
Posts: 15 |
My local ASE store (where I got my needle shims) closed Sat at 12pm. Opens Tuesday despite John Maddens ads for Labor Day Sales.Trouble with living in a small town. NAPA, Autozone didn't have any.Currently, sliced off a piece of thich walled vinyl tube as a stop gap.
So far nobody had opinioned why the "good" side has to be screwd all the way in.
stu
2001 Bonneville
2003 Ninja 250
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Re: Idle mixture screw problems
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
The good side may be due to the differences in the carbs/valves and pressure on that particular side. Most likely due to the variences in the carbs. Many folks end up with different numbers of turns on each carb, I do, because of these small differences. It is very common. The two turns out is just a starting reference point.
The differences in the carbs are due to casting differences, vacuum, diaphram elasticity, float levels etc. The carbs are not identical when it comes to these minute differences.
Hope that helps answer that part for ya.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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