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SuzukiSavage.com
/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Unknown defect /cgi-bin/YaBB.pl?num=1557985866 Message started by Ransom66 on 05/15/19 at 22:51:06 |
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Title: Unknown defect Post by Ransom66 on 05/15/19 at 22:51:06 Hello all, new Savage owner here. I recently acquired a 2007 model back last October. It had 1,525 miles at the time and a jardine exhaust, k&n air filter, and the stock petcock. I put about 1400 miles on it before I ran into my first problem, It started leak fuel from the carburetor around the meeting point of the float bowl and carb. I examined the forums and determined it was the petcock, and possibly a stuck float needle. I verified that the petcock was failing and just applied a raptor model and also took apart the carb to give it a cleaning. I found pieces of the float bowl gasket at the bottom of the bowl so I replaced the gasket ,cleaned the valves and needles and put everything back on the bike. Then I started her up and low and behold, more problems. The leaking was gone. She would idle in neutral fine but at any point I give some throttle it becomes inconsistent and will not stay steady. I also took her for ride and found that I have to baby the throttle up to each gear. If at any point I give more than a quarter of throttle she will bog or chug, and then die and there is not a gain of speed or power while th I have been going crazy over this and any advice would be useful. She also stumbles and dies when of I pull the choke at all. thank you for your time and consideration. |
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Title: Re: Unknown defect Post by justin_o_guy2 on 05/15/19 at 23:01:35 Where did you get the raptor model Petcock and what did you pay? |
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Title: Re: Unknown defect Post by Ransom66 on 05/16/19 at 04:19:24 It was from Amazon, I googled a part number that was mentioned in forums , and total was around $36. Sticker says " genuine yamaha parts and accessories, part # 5LP-24500-01 |
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Title: Re: Unknown defect Post by LANCER on 05/16/19 at 06:01:01 Pieces of the bowl gasket in the bottom ? Perhaps you have some tiny pieces of the gasket now clogging jets or passageways in the carb ? If so, you would need to pull it again and blow out all passages with compressed air and blast them with carb cleaner. |
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Title: Re: Unknown defect Post by ohiomoto on 05/16/19 at 06:16:01 Did you remove the diaphragm/slide from the top of the carb? If you did, I'm pretty sure you didn't seat the diaphragm properly and the slide is not opening. I bet your top speed is about 20mph. |
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Title: Re: Unknown defect Post by hotrod on 05/16/19 at 06:21:56 Check that the inner rubber of the air filter is not blocking any of the small chambers in the carb. It may have been modified to attach in a certain position. Try with the air filter off. KN and KN type can have different inner rubber shapes. |
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Title: Re: Unknown defect Post by Ransom66 on 05/16/19 at 06:55:58 @Lancer, I have completely disassembled the Carb and cleaned it out. Regarding the improperly placed diaphragm and air filter, i will definitely check those, as when attempting to ride it did not clear 20 mph as far as i could tell. I appreciate the quick responses. |
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Title: Re: Unknown defect Post by verslagen1 on 05/16/19 at 09:00:55 There are a number of common errors encountered while cleaning a carb. make sure the jets were put back in the right location... it's common to swap an air jet on top of the carb (230?) for the main (145 to 165) It's common to not replace the washer under the main jet. It's common to leave finger prints on the slide or misplace the diaphragm or spring. It's common to assemble the needle assembly incorrectly/plate upside-down/plate reversed. |
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Title: Re: Unknown defect Post by justin_o_guy2 on 05/16/19 at 09:03:47 42515E435F5D0606300 wrote:
Sounds like you got the right one. I'm gonna go with the idea that something got into a passageway. Odd that the choke, adding fuel, kills it. |
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Title: Re: Unknown defect Post by ohiomoto on 05/16/19 at 10:44:41 Not odd at all. If I pull the choke on my bike once it's warmed up it will die. |
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Title: Re: Unknown defect Post by justin_o_guy2 on 05/16/19 at 14:34:58 It's odd to me because I've been thinking it's running lean. |
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Title: Re: Unknown defect Post by Ransom66 on 05/16/19 at 17:48:27 Something I forgot to mention where the jet #s. I have a 165 main and a 55 pilot that came with the bike. Is it possible that with the new petcock it is overly rich? |
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Title: Re: Unknown defect Post by batman on 05/16/19 at 18:23:35 Did you forget to set the float level adjustment ,before replacing the fuel bowl? If the PO did work on the intake and exhaust ,I would take the time to see, or tell us . what you or he did , for the spacer mod, and your elevation above sea level. Jet sizes? |
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Title: Re: Unknown defect Post by justin_o_guy2 on 05/16/19 at 19:24:14 165 main and a 55 pilot.. Seems a bit chubby |
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Title: Re: Unknown defect Post by ohiomoto on 05/17/19 at 05:41:19 Way fat...but...it was running that way before so leave it alone for now. Check that the diaphragm is seated. The slide won't open if it's not, but the bike will still run, but not fully functioning. The butterfly valve is opened via the throttle cable, it will allow the engine to pull more vacuum which is supposed to open the slide. If the slide doesn't open, the increased vacuum will simply pull as much fuel as it can get from the carb, which is just enough to run terribly. You may also be getting a partial vacuum and the slide simply won't fully open. Always backtrack on these issues. You had the carb apart, the problem is most likely in there. The diaphragm is a pretty easy thing to mess up. If you really want to test it, pull the airbox and boot. Then run the engine and see if the slide opens with the throttle input. |
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Title: Re: Unknown defect Post by ohiomoto on 05/17/19 at 05:49:06 0B141215080F3E0E3E06141853610 wrote:
This place is so focused on "lean"!!! LOL The stock jetting isn't even THAT lean. :) That said, if my diagnosis is correct, it is a lean condition above idle caused by lack of fuel delivery. So you are probably right except that idle and low end is probably running as is should or even rich because of the 55 pilot jet. |
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Title: Re: Unknown defect Post by Ransom66 on 05/17/19 at 08:29:45 @Batman, the bike basically went from 800ft to 2000ft above sea level. I am currently in the High Desert area of California. Regarding the spacer mod while I had the diaphragm apart was that I saw that the needle has grooves on it and a c-clip which can be adjusted up or down the needle on those grooves. I'm assuming that takes place of the washer? There was also one tiny metal washer under the clip.@ ohiomoto I'll let you know tonight when I put everything back together to test it. I'm really hoping it's just a noob mistake of putting the diaphragm on incorrectly lol. |
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Title: Re: Unknown defect Post by ohiomoto on 05/17/19 at 08:36:25 With that needle, it sounds like you have an older carb from like an 87. It would have come with 55/155 jetting. Is it possible you actually have a 155 main jet? |
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Title: Re: Unknown defect Post by batman on 05/17/19 at 09:06:41 Ohiomoto sounds correct about it being the old pre 87 carb But stock jets are 47.5 /155 , for your elevation ,I'd place the c clip in the center groove ( stock ) ,but I think your running rich with just one washer ( usually only used at sea level ), I'd be trying three washers and not less than two if the motor tends to run to lean. The condition of the float valve and float bowl level are also important , the valve tip should not show a ring at the tip , and the valve seat should be pulled to inspect the O-ring on it base and to remove the tiny filter screen for cleaning . The level is set properly without the bowl gasket in place on the carb body. I 'd also check the plate holding the needle assembly to be sure the tiny divot near the needle is pointing downward into the slide . and that the brass washer is in place on the main jet ( it holds the needle jet up fully in the carb body. good luck! |
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Title: Re: Unknown defect Post by Ransom66 on 05/18/19 at 08:51:07 I put everything back together and started her up without the boot and air filter. The diaphragm wasn't moving at all, and I manually pushed up and down and was fixing my problem. Now the next, is there a sure fire to put this bad boy in perfectly? I've tried taking it out and putting it back in as carefully as I can. |
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Title: Re: Unknown defect Post by batman on 05/18/19 at 09:16:15 I'd inspect the rubber diaphragm for holes , and be sure the slide and the carb body it slides into are completely clean ,no "OIL" or even fingerprints , and the small tab in the space allotted for it ( the diaphragm only fits in one position), and the outside rim pushed into the grove all the way around the outside ,spring straight when replacing the top cover. If assembled OK you should be able to push the slide open fully ( use the back of your finger nail under the bottom of the slide ) and it should close smoothly and with no hesitation . The slide should have a black coating , that should not be removed (it's not dirt, but a coating like Teflon) that acts like a lubricant . |
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Title: Re: Unknown defect Post by Ransom66 on 05/18/19 at 17:05:10 Update! Got the diaphragm in and it worked like a charm. Took her for a long spin today and I almost got home but I noticed my sound had changed. I stopped to look and it seems the insides of my exhaust are now hanging halfway out [ch128545]. I can't seem to catch a break lol. Any advice on this. |
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Title: Re: Unknown defect Post by batman on 05/18/19 at 18:07:59 Dyna muffler , or you can buy a stock muffler for $300+ |
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Title: Re: Unknown defect Post by Ransom66 on 05/19/19 at 11:06:51 Any way to salvage the exhaust by finding/making a new baffle? I'm assuming leaving it straight piped with the jardine is bad from what I've been reading. |
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Title: Re: Unknown defect Post by batman on 05/19/19 at 13:10:16 Read 8th topic down from your post , Onelunger's post on a mod for your muffler baffle. |
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