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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Damaged Idle Mixture Scrrew... /cgi-bin/YaBB.pl?num=1201016798 Message started by nef584 on 01/22/08 at 07:46:37 |
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Title: Damaged Idle Mixture Scrrew... Post by nef584 on 01/22/08 at 07:46:37 Damaged Idle Mixture Screw... Yup I hit it with the drill bit when pulling the plug out. The screw has no screwdriver slot now... :P Itried making a new slot by tapping a screw driver into it with a hammer but the screw won't budge. I don't want to hit it hard, afraid i might make things worse. Thanks AlfromNH. I guess I'll get myself an extractor kit and carefully and slowly try to get the darn thing out... :-[ |
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Title: Re: Damaged Idle Mixture Scrrew... Post by YonuhAdisi on 01/22/08 at 08:36:58 That's what I did when my pilot screw got boogered. I don't have an extracter kit, but I took the carb to work with me and I used the kit at work to take care of it. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by SavageDude on 01/22/08 at 10:25:48 Don't forget to blow out all the shavings left from the screw and put a few drop of oil in there for easier extraction. I feel for you Dude! Been there done that! |
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Title: Re: Damaged Idle Mixture Scrrew... Post by demin on 01/22/08 at 13:14:37 Might also try finding a left hand drill bit(no joking)to drill it out as you drill sometimes it will help back out the screw.I think when I got mine they were from a tool truck.(Snap-on,Matco,etc.) ;) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by justin_o_guy2 on 01/22/08 at 13:15:28 2 very small holes drilled at an angle, so that piano wire stuck in the holes crosses, you can rotate & pull thast way. If you take some wire & tie them where they cross, by tying near the carb & near you, not going around them parallel to the carb, you will be able to pull pretty hard & not pull the wires out. The steeper the angle, the better, Since the screw is shrouded, it wont be real easy. Worth a try before the big guns come out. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by nef584 on 01/22/08 at 15:11:29 I guess now I have something to do on the weekend... :P I was planning on riding with some buddies ( HD Fans). I want to show them how much fun a thumper can be!!! ;) Thanks for the input guys, I'll let you know when my ride gets back on the road...( might do the white spacer mod. at the same time). Wish me luck.... SEE YA!!! |
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Title: Re: Damaged Idle Mixture Scrrew... Post by justin_o_guy2 on 01/22/08 at 20:49:22 Recommend fixing the problem. Then, after you know it runs just like before, then do a mod. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by franch on 01/23/08 at 03:25:42 what is the recommended way to remove the plug without damaging the pilot screw ? what size drill bit and how deep ? |
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Title: Re: Damaged Idle Mixture Scrrew... Post by bill67 on 01/23/08 at 05:45:51 Use a 3/32 bit drill in about a 1/8 inch just enough to get a sheet metal screw in the plug, plug is lead and soft,when the screw is tight pull on it with a vise grip . |
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Title: Re: Damaged Idle Mixture Scrrew... Post by justin_o_guy2 on 01/23/08 at 07:33:51 wrap tape around the drill bit to make sure it doesnt go in far enough to smack the adjuster |
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Title: Re: Damaged Idle Mixture Scrrew... Post by SavageDude on 01/23/08 at 08:44:40 Drill nice and slow and go in a little at a time help also. As soon as you feel no resistance against your drill bit "STOP" |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Savage_Greg on 01/23/08 at 14:01:15 Is this the same topic or a new one...? Boy, all this surgery sounds like the prelude for "Damaged Carburetor" which will be followed by the sequel called "Need a New Carburetor". How much you wanna bet, that when you drilled into the mixture screw with a drill bit that was turning clockwise that you also turned (tightened) the mixture screw all the way into the screw seat...(that will sometimes break the tip off the mixture screw, and ruin the orifice). But then you beat on the screw with a screwdriver and a hammer while trying to make a slot? Say what? Were you trying to make sure that it was jammed all the way in? If nothing else, the hammering most likely mushroomed the brass end inside the hole...or screwed up the threads. After all, the carb body is cast aluminum and the screw is brass, plus there is even a seal in there too. Whatever you do, don't try a screw extractor. You might drill through the carb :P Sorry man. not trying to give you hell, but that was just a cluster fluck of things to do. Back to the problem...I think that I remember someone else that had to get a screw out. As I recall, he used a dremel tool and cut away the aluminum on the front side of the carb around the mixture screw. Then when he got down to the top of the screw, he was able to turn it from the side. I'd try that if you can, but I bet you might need to take it to a shop. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by bill67 on 01/23/08 at 14:38:32 y You don't have to drill all way in the plug to get a screw to catch enough to pull out the plug. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by franch on 01/23/08 at 16:03:19 nef584 should not feel bad. very very easy to screw(no pun intended)up the carb pilot screw. I am currently among those who drilled with regular rotation drill bit, dremmeled and generally fache'd the whole arrangment up so badly that as i write this i am waiting for a fellow member to ship the used carb i purchased to me. the old one is toast. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Trippah on 01/24/08 at 05:04:32 If you drill slowly and check often, a hole will appear in the brass plug as you start the beakthrough, without hiting the screw behind it. Then you can finnish taking out the plug without dammage. Oh, if you want to know how to break of a exhaust header bolt,i can help woith that also. ;D |
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Title: Re: Damaged Idle Mixture Scrrew... Post by nef584 on 02/05/08 at 18:08:17 Boy, all this surgery sounds like the prelude for "Damaged Carburetor" which will be followed by the sequel called "Need a New Carburetor". I hate to admit it but Savage Greg was right... :P I messed up the carb real baaaaad!!! >:( I took it to a shop close by and they told me what I didn't want to hear.." dude this is unfixable, I'll order you a new one for $458.00"... Yeah right :o I got one off ebay for $65.00 including shipping. I put it on yesterday, pulled the IMS plug, set screw to 1 3/4 turns I did the White spacer mod ( filed it to less than 1/2) and set the idle speed on the carb and :o WOW what a difference... now the thumper rides SWEEEET ;D ;D . I previously had mounted a sportster muffler on it. ( before the SCREW up.) BTW the jet from the "new" carb were the same size from that of my old one but seems like whoever had it before drilled through it with a 1/16 drill bit.( I measured them with a bit ). Can anyone tell me if this is a good thing or should I put the jet from my "old" carb on thjis one? It runs gooood. I haven't driven the bike a long distance since the mods. :-/ 8-) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by justin_o_guy2 on 02/05/08 at 19:09:09 Dont be in a hurry to change anything. EvaLuate the way it runs, MPG, performance, look at the exhaust, is it painting everythiung back there black? Does it backfire? Did they get the adjusting screw out of the other carb? |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Savage_Greg on 02/05/08 at 21:36:28 545F5C3A0 wrote:
I hate to be right at your expense, man. Sorry you had to learn a lesson the hard way, but don't worry. You're not alone. I've screwed up far more than I'll ever admit... 75% of my bike work involves carbs...Heck, I have a Honda 90 in the garage that a young guy bought, and one of his problems was getting it to idle right....(those carbs have an idle screw that stops the movement of the slide)...anyway, when I got to looking at it, I found that someone had substituted an idle mixture screw for the idle screw. The slide was being stopped by that little teeny point :) Now...the main jet. A stock #145 main is 1.45 MM which is .057". A 1/16" bit is .062". A stock 155 Main is .061". AND considering that I doubt that jet was drilled out in a precision lathe, I'll bet it is way bigger than .062". The only way to really measure it would be with gage pins, not a drill bit anyway. Why not just buy 2 or 3 different new jets and do it right? ;) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by TVR_FSO on 02/07/08 at 16:12:39 When all else fails. Take a dremel to it. It might just work like mine did! http://i168.photobucket.com/albums/u193/TVR_LS650/Crabscrew.jpg |
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Title: Re: Damaged Idle Mixture Scrrew... Post by nef584 on 02/07/08 at 18:25:11 [quote author=445B5D5A4740714171495B571C2E0 link=1201016798/15#16 date=1202267349]Dont be in a hurry to change anything. EvaLuate the way it runs, MPG, performance, look at the exhaust, is it painting everythiung back there black? Does it backfire? Did they get the adjusting screw out of the other carb? [/quot Haven't heard any backfire yet. I haven't driven it that far since I got it fixed. Haven't seen any black smoke either. But it sounds better and has more of a punch to it now. 8-) The guy at the shop worked on it for a few hours without any luck. When he finally was able to get it out he showed me all the damage to the inside :o. The screw was all bent out of shape, the threads were gone etc. etc. I'm keeping the carb for parts though. You never know when I might mess some other thing on it. ;) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Savage_Greg on 02/08/08 at 04:32:31 Sounds like you might have found a good bike shop though, since they actually worked on the carb. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by nef584 on 02/08/08 at 05:42:50 See, miracles do happen... ;D The guys at the shop work on the KPD bikes. So they treat us right when we take our private owned bikes. 8-). They didn't even charge me a penny. ;) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by justin_o_guy2 on 02/08/08 at 06:04:41 Next time you are over that way, you oughta drop in with some Donuts or something & say thanks. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Savage_Greg on 02/08/08 at 07:35:02 445B5D5A4740714171495B571C2E0 wrote:
Good point. You need to reinforce their belief system. It's a rare thing these days. |
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Title: Re: Damaged Idle Mixture Scrrew... Post by nef584 on 02/08/08 at 12:14:05 Already done!!! ;) Gotta take care of those who take care of us... 8-) No doughnuts though, They prefer Pizza... 8-) |
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Title: Re: Damaged Idle Mixture Scrrew... Post by Savage_Greg on 02/08/08 at 13:01:58 393231570 wrote:
Good way to handle that one! |
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