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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Broken diafraghm? /cgi-bin/YaBB.pl?num=1400952270 Message started by Thomas Högberg on 05/24/14 at 10:24:30 |
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Title: Broken diafraghm? Post by Thomas Högberg on 05/24/14 at 10:24:30 Hi have an savage -97 K&N panelfilter, 152,5 main and 50 pilot. Dyna muffler Runs good on idle and on small turn of the trottle, but no strength and will not accelerate as it should when I use more trottle. Carb is cleaned, spacer replaced with 2 thinner, half the height. Could it be a broken diafragm? Thomas |
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Title: Re: Broken diafraghm? Post by Serowbot on 05/24/14 at 10:52:10 Could be that,... or it's sticking... You need to go in and clean again... Love the thread title... ;D... |
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Title: Re: Broken diafraghm? Post by Yoshi on 05/24/14 at 11:12:49 I think your main is too big |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/24/14 at 11:31:42 0312033A3638322120383A530 wrote:
had the same problem when i bought it a few months ago, making a bobber out of it and done some improvements during this time, cam chain adjuster and cleaning the carb as a mentioned before. the main in the carb was 125 or 135, hard to read.. so I was not expecting the same now with 152,5 >:( Thanks for the input :) |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/24/14 at 11:37:16 5B4D5A475F4A475C280 wrote:
As I have modified the bike to a bobber, it has not been on the road since I cleaned the carb, 2-3 months Seems like it does not stick.. Beeing from Sweden, english is not my native tounge... but now I can see that my thread title can be misunderstood ;D Thomas |
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Title: Re: Broken diafraghm? Post by S-P on 05/24/14 at 14:19:39 I have almost the exact same set up, muffler, filter, shims, jets etc. and my bike runs great. I have a 152.5 and 52.5, so don't think it is the main. |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/24/14 at 14:27:27 could it be a ignition failure, like the coil? have no idea at the moment what to do next.. |
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Title: Re: Broken diafraghm? Post by justin_o_guy2 on 05/24/14 at 19:45:16 I wouldnt go chasing an electrical issue just yet. It sounds like a carburetor thing,, I would probably pull the air tube off the carb so I could see the slide, get a mirror & watch it. If its not going up, maybe you did bust the rubber, or maybe didnt get it installed right, or maybe left fingerprints on the slide & its sticking. Its gotta be clean & dry, no oil, not even fingerprints,, |
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Title: Re: Broken diafraghm? Post by LANCER on 05/24/14 at 20:56:24 If you had the slide/diaphragm out recently, then you should pull it out again and check to see if the edge of the diaphragm is pinched and/or out of the groove of the carb body, which would allow an air leak, and that would prevent it from operating correctly...thus NO-GO when you crank the throttle. Trust me; I've done it before. |
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Title: Re: Broken diafraghm? Post by Serowbot on 05/24/14 at 21:57:58 It sounds very much like a carb problem... either the slide or the main... |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/25/14 at 04:24:05 2429262B2D3A7A7F480 wrote:
Pulled it out again, found no marks that indicate pinching, mounted correct in the groove also. The lid seems straight and should make a good seal. I changed the petcock to a raptor earlier and plugged the carb, can it be an issue? Is there a way to check if the slide lifts ok when the carb is off the bike? Just so you know, I bought the bike a couple of months ago and it had this problem. Gambled and thouht it would help to clean the carb change the jets, airfilter and fresh gasoline... /Thomas |
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Title: Re: Broken diafraghm? Post by cafecarl on 05/25/14 at 06:22:25 If you didn't plug the vacuum hole in the carb, it might have been a problem, but you did plug it so cross that one off the list. :-/ |
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Title: Re: Broken diafraghm? Post by shorty on 05/25/14 at 06:38:50 0A1B0A333F313B282931335A0 wrote:
yes... what is your elevation? |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/25/14 at 07:37:28 6A78776A76777C7E190 wrote:
yes... what is your elevation?[/quote] 300 ft |
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Title: Re: Broken diafraghm? Post by Kris01 on 05/25/14 at 08:19:34 Let's say theoretically that he NEEDS a 150 main. A 152.5 wouldn't be that big of a deal, would it? Especially with a K&N and a Dyna... |
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Title: Re: Broken diafraghm? Post by WD on 05/25/14 at 08:38:52 Correct, the jetting should be fine as listed for his elevation. Will be a touch rich on any mountain rides. Try running the next tank of fuel with a splash of oil in the tank. The slide does get fuel vapor washed, and if the coating is at all galled it will be slow to respond. Oil in the fuel will temporarily relieve the sticking helping with diagnosis. Any mixed gas stronger than 100:1 will cause a serious power loss and terrible fuel economy, so be careful. |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 05/25/14 at 11:16:42 Thanks for your help everybody :) I´ll try that WD. /Thomas |
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Title: Re: Broken diafraghm? Post by justin_o_guy2 on 05/25/14 at 20:58:18 Will my keyboard make the same alphabet as Thomas'? Hope all that stuff helps ya Thomas. Let us know how it goes? |
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Title: Re: Broken diafraghm? Post by Thomas Högberg on 06/02/14 at 10:41:30 Time to share some info where I stand today : changed to smaller pilot jet, 47.5 now, hardly no difference in idle, no matter how I set the mixture screw... Down to 145 in main jet, the bike runs better but still hesitates on full trottle... started with 152.5 due to that my dealer was out of 150, tried 147.5 and noticed that it ran better, but not good enough.. All bikes are individuals it seems, to bad that I don´t have any smaller main jets at home :( |
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