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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Carb Issues /cgi-bin/YaBB.pl?num=1260825813 Message started by Micvicpel on 12/14/09 at 13:23:33 |
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Title: Carb Issues Post by Micvicpel on 12/14/09 at 13:23:33 I recently purchased a carb kit with jets off of ebay the product works fine no problems there. Its what ive done. Ok first I installed a k&n type filter on the bike as well as a hd type muffler it starts fine idle fine, but when you give it gas sputters and cant get up and going, and when release the throttle it backfires. The pieces that came with the kit ( be easy on me Im not sure what there called) the main jet that sits on top of everything the smaller one that looks like a nozzle whivh i assume is the fuel / air mixture screw, i replaced both upgrading them from stock to a 150 on the large one and a 52.5. the white spacer i not sure where it is at but i can only get the bottom of the carb off im afraid of striping the screws and then im screwed. Ive seen other post about the main jet contols the amount of gas taken in when the throttle is pulled and the air/fuel screw controls the idle. Ive worked on it for about a week tearing it apart back and forth and Im just lost, thanks for any advice guys ill try and post pics of the carb and bike later ;) ;D :-/ :'( |
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Title: Re: Carb Issues Post by Serowbot on 12/14/09 at 13:30:59 Sounds like something more than just a slight jet size increase would cause... When you replaced the main jet,... did you remember to put the brass washer back in place, under the new main jet?.... Did you remove the carb to do the jet changes, or just take off the float bowl from the bottom?... The nozzely looking jet, is the pilot jet... The idle mix screw is the one on the right side of the carb, under the brass plug... |
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Title: Re: Carb Issues Post by Micvicpel on 12/14/09 at 16:00:07 I took the carb off and replace the washer behind the main jet. The bike when I got it wouldn't turn over at all so, I took the carb and replaced the jets and now it idles fine and today when I rode it, it sputters a little bit then kicks in hard and almsot pulled me off teh bike at one time, and then when I release the trottle it backfires. I spoke with a guy today and he said I might be running to lean still bacasue of me replacing the pilot jet with one with bleeders, I think that is what there're called, would casue the idle and start to be fine but the trottle and backfiring to keep happening, what do youll think. :'(....Id like to not have to take it to the dealer and look retarded and get charged extra, when I can fix it myself. |
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Title: Re: Carb Issues Post by bill67 on 12/14/09 at 16:06:34 I would use the right type of pilot jet that came in it. |
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Title: Re: Carb Issues Post by Micvicpel on 12/14/09 at 16:47:31 Ok i'll try that tomorrow...tell yall how it goes.. |
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Title: Re: Carb Issues Post by Micvicpel on 12/15/09 at 14:21:53 I changed the pilot jet to the original and the main jet I kept at 150 and it still backfires and still sputters. I still have a 152.5 and a 155 on hand. Any ideas guys. Im thinking on putting in the 155 because the idle is a little tricky to get right. :-/ |
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Title: Re: Carb Issues Post by justin_o_guy2 on 12/15/09 at 14:29:18 Might be white washer mod time. Youve adjusted the fuel/air mix needle on the R side of the carb? |
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Title: Re: Carb Issues Post by Micvicpel on 12/15/09 at 15:34:12 No the air/ fuel screw I havent messed with it. I don't exactly know where its at is it on the outside or do I have to unbolt something. |
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Title: Re: Carb Issues Post by BurnPgh on 12/15/09 at 16:57:58 Its covered by a brass plug thathas to be very carefully drilled out. |
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Title: Re: Carb Issues Post by Serowbot on 12/15/09 at 17:00:52 Test your petcock... Read here... http://suzukisavage.com/cgi-bin/YaBB.pl?num=1251932429 |
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Title: Re: Carb Issues Post by Micvicpel on 12/15/09 at 17:19:48 I asjusted the Air/Fuel screw from closed all the way open using 3/4 turns with revs in between leaving about 10 second intervels for the carb to adjust and still bad backfire with the harley muffler I put on it sounds like the gun just went off.....living in the wrong side of town doesn't help things either...thanks Ill check the petcock tomorrow..thanks for all the help guys I'lll keep ya posted. |
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Title: Re: Carb Issues Post by justin_o_guy2 on 12/15/09 at 17:57:13 I adjusted mine with a pocket screwdriver at stop lights. Took a while, but I think I got it as right as it gets. 3/4 turn at a time is, IMO, too much. |
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Title: Re: Carb Issues Post by Micvicpel on 12/15/09 at 18:19:07 Ill try riding it tomorrow and adjusting it after I check the petcock. |
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Title: Re: Carb Issues Post by justin_o_guy2 on 12/15/09 at 20:08:52 I guess it took me 6 or so lights to get it adjusted.Youll feel & hear the difference with each adjustment that way. |
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Title: Re: Carb Issues Post by verslagen1 on 12/15/09 at 20:53:58 07180B1A1A0F064A0 wrote:
1. Sounds like you need to clean the slide, it's sticking. When it suddenly pulls up that puppy wants to go. YEEEHAAAA! Try an ounce of seafoam in the tank. Should be better before you run out of gas. Or take the top off and use carb cleaner. Don't get it on the rubber. Soap and water if you do. Becareful, it's a $90 part. When you clean the slide don't leave any fingerprints on it when you put it back. 2. Then you shut her down hard, she barks at you! Could be 2 reasons, maybe you got your idle real low. When you shut down hard it over shoots and kerpow. second reason you might have the idle open more than neccessary, so you have to turn the idle speed lower than neccessary. I generally have my idle high 12 to 1300. benefit is more oil to the head while idling. a good thing while warming up. |
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Title: Re: Carb Issues Post by Micvicpel on 12/15/09 at 21:30:36 Alright thanks Im gona check the petcock tomorrow and try some seafoam to see if I cant get it goin, the idle I have set to wear it dosent have constant revs but is just below that. |
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Title: Re: Carb Issues Post by Micvicpel on 12/16/09 at 09:36:48 I set my idle between 1200 and 1300, I checked the betcock this morning no notciable difference, Im goin to switch out my main jet to a 152.5 this afternoon and see how it does and reset the air/fuel screw and ajust from there. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 10:32:01 I installed a 155 and installed my stock air filter back on and the air/fuel screw all the way open, still backfiring, as soon as I move the air/fuel screw to close pos. I can't even rev it a little and it backfires. I gona drain the gas and air out the tank and new gas and run some seafoam through it as well as cleanign the carb with some carb cleaner. |
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Title: Re: Carb Issues Post by BurnPgh on 12/17/09 at 10:33:16 have you checked for airleaks along the inake and exhaust? |
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Title: Re: Carb Issues Post by justin_o_guy2 on 12/17/09 at 10:34:20 as soon as I move the air/fuel screw to close pos. Yea, well,, it ought not run well like that. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 11:15:19 I checked for leaks and used some sheet metel to shim the muffler and still backfires i put my stock airbox back on and which way does the air/fuel screw go to the closed pos i can't tell if im running rich or lean anymore. |
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Title: Re: Carb Issues Post by bill67 on 12/17/09 at 11:26:25 Turning it clockwise closes it .Open it 2 turns and go from there. More open makes it richer. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 13:59:01 Ok this afternoon I check my petcock it doesnt leak threw the vacumm line, and I ran it with the choke out and it ran fine no backfires hauled ass and no overshooting the idle, can any one tell me if my bike is possed, can I kill it with a silver bullet, Ive done everything I can do...please help anybody on here from around gainesville fl :'( these are deperate times |
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Title: Re: Carb Issues Post by verslagen1 on 12/17/09 at 15:14:20 So, you're close. Sounds like a fuel delivery problem. Check your float level. Got a drain teet on the bottom of the carb? Connect a clear hose and run it up along side the carb. open the drain valve. the fuel should come up to the gasket on the bowl, thereabouts. Second place a clog can occur is the screen above the float valve. Found a hair ball there once. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 15:38:37 Where exactly is the drain valve? If the float level is good where to after that? |
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Title: Re: Carb Issues Post by bill67 on 12/17/09 at 15:50:50 Did you every put sea foam in?How many turns are you out on the screw. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 16:00:12 I ran seafoam therw the tank until it about dies i killed it before it shut off so i wouldnt make anything become stuck, and ran some carb cleaner therw the untake as it was running, no difference and the screw is 2 out least I'm pretty sure. |
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Title: Re: Carb Issues Post by bill67 on 12/17/09 at 16:02:47 Try 3 out but don't go to far or it will fall out.Sea Foam takes a little time to work. |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 16:06:30 Ill try it tomorrow, Ill repost tomorrow. thanks ::) |
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Title: Re: Carb Issues Post by justin_o_guy2 on 12/17/09 at 18:08:11 You did count the turns in, right? |
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Title: Re: Carb Issues Post by Micvicpel on 12/17/09 at 18:30:43 Nope just ran it in til it stopped either way in runs to lean out or in. |
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