change in 1 clip position

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ryanfoley

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• Dec 1, 2002

• #1

how much does it really affect the bike?

 

RM_guy

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Damn Yankees

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• #2

Have you tried it? if it's running lean or rich in the mid throttle range you can clean it up by moving the clip even a half of a notch (you'd need a different neddle but that kind of adjustment is available)

 

bclapham

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• #3

Originally posted by ryanfoley
how much does it really affect the bike?

Click to expand...

enough to make it worth trying! once i went down 1 size on the pilot and it felt like a differnet bike.

 

steve125

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Oct 19, 2000

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• #4

One clip position is aprox. a 10% change in the mixture. Yes it's a big deal and can cause a bike to bog if lean or feel weak in the mid if too rich. Try it you won't hurt anything, just watch out for a ping or a bog if you go too lean.

 

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Rcannon

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• #5

I dont know if this is a fair question or not, but 10% sounds like a lot. I know your numbers are correct.

My question is this. How much % does our bikes have to be off before we feel it???

 

steve125

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• #6

Rcannon around 5-10% change in mixture can be felt. Mainly on the needle circuit because thats where most people ride their bikes. On the main jet it's much tougher to feel, thats where your plug reading comes into play.

 

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ryanfoley

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• #7

i went riding today for the first time on a track and before it was in woods, and i was fouling plugs so i droped the needle 1 clip, it used to be second from the bottom so now its stock. Well i went to a track today and my bike seem lean, there was a down hill jump where i would try to clear in 3rd and it seemed like if i up shifted it would already be maxed out at that gear! and i would have to grab another gear to have some power, does this have to do with my clip position? and i thougt i would bog if it was too rich. I ride a yz 125 with fatty pipe and turbine spark. Im not sure but i think i have a 50 tooth sprocket

 

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ryanfoley

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• #8

i would grab another gear after the jump going down hill and thats when the next gear already seemd maxed.

 

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ryanfoley

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• Dec 3, 2002

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• #9

alright stupid question, downhill= more speed
i dont think i was actually thinking

 

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Fark

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• Dec 4, 2002

• #10

Originally posted by RM_guy
Have you tried it? if it's running lean or rich in the mid throttle range you can clean it up by moving the clip even a half of a notch (you'd need a different neddle but that kind of adjustment is available)

Click to expand...

I thought it was a different clip. I beleive Suzuki makes it.

 

RM_guy

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• #11

Originally posted by Fark


I thought it was a different clip. I beleive Suzuki makes it.

Click to expand...

It's a different needle. I think you can buy a special clip that does the same thing though.

 

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A-RustyDemon

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Dec 9, 2002

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• Dec 9, 2002

• #12

Don't waste your money on special clips. Just go to any well stocked hardware store and pick up a small washer that will slip over the needle and shim it up to get a half a clip position on the needle.

 

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Studboy

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Dec 2, 2001

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• #13

If I am not mistaken, the small washer shim was already discussed and found to be unsafe for throttle sticking reasons!

 

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A-RustyDemon

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Dec 9, 2002

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• Dec 9, 2002

• #14

"?" How would placing a shim between the the bottom of the clip and the top of the slid on the needle, possible cause the throttle to stick? I'm really interested in knowing... how this is unsafe compared to a offset clip, that basically does the same thing.

 

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Studboy

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• Dec 9, 2002

• #15

Check out this thread here.

 

 

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A-RustyDemon

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• #16

Tuners have been doing it for years. It's just a matter of locating the proper shim. If you can not find one at the hardware, ask at your local shop they'll most likely sell or give you a couple. Don't discount it because a few say nay. Don't just agree because it's worked for me and others. Try it for yourself... make your own determination. It is just another tool and with any tool common sense and judgment must be exercised.

 

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ryanfoley

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• Dec 9, 2002

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• #17

which would make my bike leaner going 1 clip up or changing my ratio to 40:1 from 32:1

 

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Studboy

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• Dec 9, 2002

• #18

Going up 1 clip. But keep in mind that changing the oil ratio will affect the ENTIRE jetting range.

 

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ryanfoley

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• Dec 11, 2002

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• #19

ok yeah, well i was fouling plugs and now it sounds lean, the white part in the plug is a burnt brown color, thats not good right? so i think im going to put the needle back to where it was and just go with a leaner mixture such as 38:1

 

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Studboy

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• Dec 12, 2002

• #20

You need to look down INTO the insulator to get a proper reading. A light tan/burnt brown color shouldn't be too lean however. The needle only affects the APPROX. 1/4 to 3/4 throttle openings. Unless it bogs or pings in that effective throttle opening range, read again Steve125's post above. Also, I would leave your Fuel/Oil ratio at 32:1. On a 125 you need at least that, using less oil will only make you foul more plugs.

 

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ryanfoley

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• Dec 12, 2002

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• #21

really, i always thought it was the opposite(oil ratio), as far as the plug i was looking down into the insulater, and its more of a darker brown

 

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Studboy

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• Dec 13, 2002

• #22

Yes, that is a very common misconception. There is a big difference between Oil/Fuel ration and Fuel/Air ratio. People think that their bike spooges and fouls plugs and smokes because of too much oil. If you put less oil in the mix you are really putting more gas into the cylinder (richening jetting due to the fact that there is less oil, the oil flows through the jets at a slower rate), so, if you wanted to lean your jetting you would put MORE oil. So, my recommendation is to mix your oil inbetween 32:1 to 25:1 for your 125, and go get some jets!
There is a good jetting guide on www.ericgorr.com under tech articles.

 

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ryanfoley

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• Dec 13, 2002

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• #23

dang i had to read that a couple of times, yeah i just gotta try out different ways. thanks for the help