SuzukiSavage.com - Re: another carb prob

LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10604 Oklahoma Gender:	Re: another carb prob 05/07/06 at 17:06:52 Opened baffle? So you still have the stock muffler? If so, then you still have a lot of restriction in the exhaust system. The backfiring issue is a pilot jet/adjustment issue. It has nothing to do with the spacer or main jet.
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Serowbot

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Re: another carb prob
Reply #1 - 05/07/06 at 19:02:55

I'm having similar problems, posted a while ago under "odd idle". After installing a sportymuff and K\N I made standard changes and had spit'n'sput black smoke and bad idle. With the jetting back to stock I was still rich and the engine idled best with the idle screw full closed, so I have gone to a 50 pilot. Now it is running good but I get backfires coming off the gas and it will still run with idle screw full closed. I may try a 47.5 pilot next as I'm waiting to get to the point that I need to be 1 1/2 out on the idle mix.
Everyones jetting can't be the same and be right. Temperature, humidity, altitude are all very different for us all and these things greatly effect jetting.
Good luck and keep us informed
Bob

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ohiokid

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Re: another carb prob
Reply #2 - 05/07/06 at 20:35:41

oh and yeah i seen your post it was the nearest post to what im having , past few days i`ve covered all 97 pages thinking maybe i was missing something , i`ve jetted and mod several v twin and inline 4`s with no problems , thought maybe with the big single cyl there was a trick or i was doing something wrong .
like i said this is my first thumper and i was shocked at the low end power they have , and after fabbing up a drag style set of bars today out of a piece of solid s/s round stock with the added weight and straight grip balance is unreal and no vibrations
well i`ll shut up now i just love this little thumper ,, so much in fact i sold my inline 4 honda and my wife put dibs on this one , telling me if i ever get another bike this one is hers!!!!

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LANCER

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Re: another carb prob
Reply #3 - 05/08/06 at 19:44:26

Well done.

ohiokid wrote on 12/31/69 at 16:00:05:

problem solved !!!! changed the float needle turned out it was leaking just enough that while at idle for a while would throw everything out of wack i checked it and the float level before seemed fine but was just seeping enough to throw the mix off,, load up and make the sometimes black smoke then no black smoke and the crazy high or low idle with out touching anything .
switched to 155 main and 55 pilot 3/4 out with no problems , pulled rubber snokel out of air box opened it up,, k-n filter and open ex thanks for everyones advice and help !!! runs great!!!!!!!!!!!!!!!!!!

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LANCER

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Re: another carb prob
Reply #4 - 05/08/06 at 19:50:45

Bob,

I am thinking you have crud in your carb, and perhaps a faulty needle valve like Ohiokid had. You have changed your pilot jet at least twice so far and it is running with the adj screw full closed...it is not supposed to do that. Something is definitely screwed up in there. You need to dismember this puppy and go through it with the proverbial "fine toothed comb". Check all jets...clear all passages...insure all gaskets are good...etc. You need to rebuild it.

If you are moderately competent at tinkering, you can do it in an afternoon.

Serowbot wrote on 12/31/69 at 16:00:05:

I'm having similar problems, posted a while ago under "odd idle". After installing a sportymuff and K\N I made standard changes and had spit'n'sput black smoke and bad idle. With the jetting back to stock I was still rich and the engine idled best with the idle screw full closed, so I have gone to a 50 pilot. Now it is running good but I get backfires coming off the gas and it will still run with idle screw full closed. I may try a 47.5 pilot next as I'm waiting to get to the point that I need to be 1 1/2 out on the idle mix.
Everyones jetting can't be the same and be right. Temperature, humidity, altitude are all very different for us all and these things greatly effect jetting.
Good luck and keep us informed
Bob

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necropsy Full Member 2005 No Login Offline Suzuki '05 S40 Posts: 173 Barrie, Ontario, Canada Gender:	Re: another carb prob Reply #5 - 05/08/06 at 19:54:25 ohiokid wrote on 12/31/69 at 16:00:05: problem solved !!!! changed the float needle turned out it was leaking just enough that while at idle for a while would throw everything out of wack What did you change exactly? swap the needle or modify it or adjust the white spacer size?
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Serowbot

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Re: another carb prob (solved)
Reply #6 - 05/09/06 at 23:52:05

Thanks Lancer,
I've gone through the several times with cleaners and air but, I didn't get the needle jet out. I didn't fall out when I pulled the main and I didn't have the clymer's yet , so I couldn't figure how to pull it. I believe I just have to push it gently from the top after removing the main? I will also replace the float needle (if I understand OhioKid correctly that solved his problem).
Anyway I'm do'in the oil plug repair this weekend and will try these ideas too.
This bike had been sitting a while before I bought it. "Bikes don't wear out, they die of neglect."
So nice to have a place to share ideas. I hope in the future to be more help than bother.
Bob

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vroom1776 Serious Thumper Offline Posts: 2110 Gender:	Re: another carb prob (solved) Reply #7 - 05/10/06 at 12:56:36 ohiokid wrote on 12/31/69 at 16:00:05: s dont know if its because its sooooo ugly with the rat bike effect i`ve added or people just cant figure out what it is or dont wanna know !!! need a picture!
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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10604 Oklahoma Gender:	Re: another carb prob (solved) ok bike pics Reply #8 - 05/10/06 at 19:30:21 Looks nice man!
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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28376 Tucson Az Gender:	Re: another carb prob (solved) ok bike pics Reply #9 - 05/10/06 at 23:30:22 OhioKid, Your problem sounds very similar to mine. I'll try the float needle as soon as I can. Really looking forward to getting past this one! Great looking bike you have! I think the the black bars fit the theme nicely. Very gothic! Bob
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Don Steel

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Re: another carb prob (solved) ok bike pics
Reply #10 - 05/11/06 at 05:29:59

ohiokid wrote on 12/31/69 at 16:00:05:

thanks lancer.

maybe calling my bike a ugly rat bike wasnt quite right!!!

check out these true rat bikes

http://www.ratbike.org/

Nice bike man!! Like the headlight and the bars.
Its far too nice to be a rat bike. The bikes we get at some of the rallies here in britain that fall into that category generally have more rust than the Titanic and they have masked off the headlight lens and sprayed every part of the bike with a rattle can flat black!! Undecided

Like something out of Mad Max 2!! Grin

If you look at some of the Rallies on the above rat bike website, the "Farmyard Party" is one of my regulars as it's not far down the road from me! Great fun!!

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Jim_R Ex Member	Re: another carb prob (solved) ok bike pics Reply #11 - 05/11/06 at 05:47:42 yeah I love the flat black. I think it looks really great too. No rat bike there. I cant believe u made those bars. They are awesome. Great work.
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Savage_Rob

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Re: another carb prob (solved) ok bike pics
Reply #12 - 05/11/06 at 08:25:25

ohiokid wrote on 12/31/69 at 16:00:05:

bad part do not raise up when working or cleaning your bike and hit solid bars they do not move and leave a rather nice gash !!!!

Ouch! I bet!

Very impressive. I agree; it's flat - not rat. It looks very good. Eventually I'd like something similar though I think I want a tall sissybar and short/medium apes.

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vroom1776

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Re: another carb prob (solved) ok bike pics
Reply #13 - 05/11/06 at 10:23:22

ohiokid wrote on 12/31/69 at 16:00:05:

thanks lancer.

maybe calling my bike a ugly rat bike wasnt quite right!!!

check out these true rat bikes

http://www.ratbike.org/

looks good but no rat. add some dirt and don't do such a good job w/ the spray paint! & loose the crud like the blinkers...

Whatever... Looks good!

Anyone know who's rat this is? Wink

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Savage_Rob Serious Thumper Alliance Member Offline Mechanically Inclined Amateur Posts: 6972 Texas (Dallas area) Gender:	Re: another carb prob (solved) ok bike pics Reply #14 - 05/11/06 at 10:36:03 Hehe, had to chain it to a tree to keep it from bitin' passersby, huh?
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