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Post by brokenicarus on Jul 13, 2007 15:47:13 GMT -5
hey all, so I did a stupid thing... in a fit of not-knowing-ness, I thought my relatively new K&N air filter could use a cleaning and fresh coat of oil, as I rode around one day in the dust  . Since I've found out that you really don't need to clean the things more than once a year, and I added what I now believe is WAY too much filter oil, two of the little packets that come with the filter. Now my bike bogs and dies instead of running along just fine. Murrgh. Is there any way to dry out/drain out excess oil? have I done the filter in? any suggestions on the proper amount to put on a pod filter? Thanks, Botching a perfectly good bike, Davey |
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cordodor
Full Member
'79 SR500
Posts: 109
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Post by cordodor on Jul 13, 2007 15:52:36 GMT -5
maybe re-clean it? dont know how some dish soap would affect the filter. I wouldn't think it would do any harm, but dish soap is good on grease/oil.
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Post by brokenicarus on Jul 14, 2007 13:28:45 GMT -5
hey, do backfires after releasing the throttle indicate a lean mixture? My bike seems to be running LEAN after over-oiling the filter, i.e. it will idle with the choke on after warming up but dies without it, and backfires. can backfiring be anything but lean mixture? Strange strange strange...
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Post by canucksr on Jul 14, 2007 14:52:11 GMT -5
Take the air filter right off and see how it runs.
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Post by canucksr on Jul 14, 2007 14:53:36 GMT -5
Maybe you've gummed up the carb with oil?
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Post by brokenicarus on Jul 14, 2007 21:06:10 GMT -5
Thanks mate, took the air filter off, it will still start up and ride around with the choke on full. after it's warmed up it will hold idle at about 2k with the choke on. turn the choke down, the idle will get incrementally lower and more hesitant till about 1100, where it'll quit entirely. I'll pick up new plugs etc on monday.
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uk500
Junior Member
Posts: 47
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Post by uk500 on Jul 15, 2007 11:46:17 GMT -5
I always thought that a clogged air filter would make the mixture richer if anything and removing the filter would make it lean?
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Post by brokenicarus on Jul 15, 2007 12:09:32 GMT -5
yeah, my thoughts as well.... that's why it's a bit confusing. It is running lean with the filter off, hence all the choking, but not as lean as it should... but i've re-cleaned the filter to see if I can remove that variable. then it's all about jet juggling.
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Post by milkman on Jul 16, 2007 5:09:29 GMT -5
don't the instructions for K&N say to wash the dirty filter in petrol?
I'll check my instructions when i go home....i think i still have them lying around
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Post by brokenicarus on Jul 16, 2007 9:03:05 GMT -5
I just bought the special solvent kit, it definitely makes it sound like you only want to clean it with their stuff. I think you could use just about any solvent, but their kit comes with their pretty maroon oil and costs about 12 usd, definitely enough of the stuff to clean and re-oil 5 pod filters for the rest of their life-spans, so it's worth it.
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Post by StewRoss on Jul 22, 2007 4:22:06 GMT -5
As an aside to this..I have run K&Ns for many years and never oiled the filter. I run them dry and clean them occasionally...I've never had any problems. I don't really ride on dirt roads of course... SR  |
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Post by brokenicarus on Jul 22, 2007 17:20:09 GMT -5
really? that's very interesting, I was wondering how much 'small particles' would matter to our engines... I'm sure that makes a difference to your air intake, as this time 'round I added a minimal amount of oil (makes my filter darkish pink instead of deep red/purple), and my engine is running rediculosly lean, even with the needle jet moved down from the top position to the middle one. Perplexing. I even ran around with the choke on all day, needle in the middle, keeping my throttle below where the main jet takes over, and my plug came out scorched and white, burnt white on the contact point. Is it time to throw in bigger pilot and main jets? what else should I look at before resorting to filing the slide?
Thanks,
Davey
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Post by StewRoss on Jul 23, 2007 3:20:19 GMT -5
Hi, Take off the float bowl and have a look...something amiss. What carby are you running? Perhaps your MJ has some junk in it? SR |
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Post by brokenicarus on Jul 23, 2007 16:30:28 GMT -5
Nah, can't be main jet, I don't think, I kept the throttle between 1/4 and 3/4 the entire ride, if that high. What am I looking for with the float bowl? leaks? lack of springyness? I'm not sure on the specific carb, I'll upload more pictures soon. I haven't replaced it, it seems stock, except it definitely has an air-mixture screw near the float bowl. It looks like this:  |
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Post by brokenicarus on Aug 2, 2007 16:32:41 GMT -5
Great, so one carb cleaning later, my bike won't start at all, not after any number of kicks on any choke setting. I took out all the jets, blasted em with carb cleaner, strong spark.
My question is this: with the plug out, kicking the bike with my finger over the spark plug hole, The cylinder is completely dry. if I did this with a healthy engine would my finger come away wet?
Can a failure in the vacuum/diaphragm system lead to a gas-less cylinder? how do I diagnose it? The fuel still flows easily under 'prime', and not at all under 'on.'
What else could explain a completely dry cylinder?
Thanks,
Davey
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. Since I've found out that you really don't need to clean the things more than once a year, and I added what I now believe is WAY too much filter oil, two of the little packets that come with the filter. Now my bike bogs and dies instead of running along just fine. Murrgh. Is there any way to dry out/drain out excess oil? have I done the filter in? any suggestions on the proper amount to put on a pod filter?
