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spring tune up.. I'm a NEWB! w/pics!

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  • spring tune up.. I'm a NEWB! w/pics!

    Hi guys,

    I posted awhile back about buying my first 2001 Kat that had 52,000kms and sat for a couple of years. Everyone welcomed me warmly and told me to do a tune up, so here i am!

    I have downloaded the service manual (best thing i've ever done) and i've done the following things..

    I removed the tank (emptied gas), removed the air filter and checked the plugs.

    now I have some questions about the following items.. Pics included.

    1) I am assuming the gas is sour, so i pumped it all out with a hand pump. should I also open up the petcock and let any residual drain out of that as well? I understand there is a strainer in there as well? replace it now?


    2) The air filter is some kind of foam jobby - brand name Uni (not something i am used to seeing) it looks clean other than an oil spot. should i replace for a paper element?



    3) There is a puddle of oil in the bottom of the air box, normal? this puddle corresponds to the spot of oil on the air filter.





    4) The plugs are wet but it appears (smells) to be unburnt gas/carbon buildup, I am also assuming normal for an engine of this mileage? something to be concerned about? I will check compression when i have a friend of mine bring his over.



    NGK good brand/Bad brand?



    My helper for the day..



    Thank you in advance for any assistance you can provide me!
    Last edited by badwithcomputer; 04-16-2012, 07:35 PM.
    -Brandon



  • #2
    I had a uni in my 93 600 and could never get it totally dialed in. Use stock air filter and ngk plugs.
    90% of motorcycle forum members do not have a service manual for their bike.

    Originally posted by Badfaerie
    I love how the most ignorant people I have met are the ones that fling the word "ignorant" around like it's an insult, or poo. Maybe they think it means poo
    Originally posted by soulless kaos
    but personaly I dont see a point in a 1000 you can get the same power from a properly tuned 600 with less weight and better handeling.

    Comment


    • #3
      You're on the right track, but I wouldn't be surprised if you didn't have to do a through cleaning of the carbs.
      sigpicLife throws you curves......enjoy the ones you get when riding.
      ------------------------------------------
      89 GSX750F(sold....sob)
      96 YZF 1000R

      Comment


      • #4
        While the tank is off make sure you clean the carbs!

        Comment


        • #5
          Since you've got it apart anyway pull the carbs and clean them, replace the bowl screws with allen key ones (harder to strip next time).

          And while your at it you might as well go all out. Do the brake fluid and Fork oil. I haven't look up your other post but if you haven't already check the production date on your tires to see how old they are.
          Kyle

          Comment


          • #6
            Thank you guys! I have been taking note of your suggestions! Was hoping to avoid the carbs as they intimidate me a lot but so did removing the tank!

            No one seems too concerned about the oil in the air box and on the filter so I am guessing its safe to wipe it up and pop a new paper filter in?
            -Brandon


            Comment


            • #7
              You're doing fine and you couldn't ask for a better shop assistant. I've got one a little fuzzier than that and she even lets me know when it's time to take a frisbee break!

              The foam filter's got to go. It flows too much air and messes up the vacuum and jetting. Uni's fine as a brand but get the paper filter.

              The oil in the bottom of the airbox is normal. It comes from that tube going to the top of the valve cover. You're supposed to be getting oil fumes through there and burning them in the engine. Anything that gets through as liquid oil falls out to the bottom of the airbox and pools there until you drain it or wipe it out.

              The plugs don't look bad although I don't bother paying for the dual-point ones. They're wet because you've probably been trying to burn some kind of soup that used to be gas. Scrub them down with a brass brush and put them back in. As soon as you get some good gas in there they'll burn off whatever's left.

              You don't replace the petcock screen. That's a non-wear item. Since you've pumped the old gas out of the tank, I'd leave it open in the sun to dry it the rest of the way out and make sure there's no junk in the bottom of the tank before refilling. Take the time to check for rust while you're at it. A few little spots of surface rust are fine but any heavy caking will require more drastic measures. Don't put fresh gas in there until that's been taken care of.

              If the bike's been sitting long enough for the gas to become unusable then you can expect the carbs to be clogged up. you may be able to get the bike started but it won't idle well until you've cleaned them out. Download the Carbs 102 and go to town. the results are worth it.
              Wherever you go... There you are!

              17 Inch Wheel Conversion
              HID Projector Retrofit

              Comment


              • #8
                Originally posted by badwithcomputer View Post
                Thank you guys! I have been taking note of your suggestions! Was hoping to avoid the carbs as they intimidate me a lot but so did removing the tank!

                No one seems too concerned about the oil in the air box and on the filter so I am guessing its safe to wipe it up and pop a new paper filter in?
                Oil in the airbox is normal, but my Kat never had that much based on the pics of the filter and intake. You might want to double check your oil level.
                sigpicLife throws you curves......enjoy the ones you get when riding.
                ------------------------------------------
                89 GSX750F(sold....sob)
                96 YZF 1000R

                Comment


                • #9
                  That looks like more oil that I would expect for "normal"

                  As others have said, clean the carbs and put a paper filter in.
                  -Steve


                  sigpic
                  Welcome to KatRiders.com! Click here to register
                  Don't forget to check the Wiki! http://katriders.com/wiki

                  Comment


                  • #10
                    excellent advice!

                    so far:
                    oil/filter
                    air filter (paper)
                    plugs (single point) or clean them - they are easy enough to change if cleaning doesn't get me my results
                    leave tank out to evaporate the remaining fuel
                    clean carbs
                    brake fluid
                    drain oil out of air box

                    another question, the bike came with a yoshimura pipe on it. if/when i take the carbs off to be cleaned will i come across the jets in that process? I'd like to make sure they are the proper ones and that the PO didn't just slap a pipe on there.

                    the correct name for the link is carbs 102? or 101? i remember seeing a carbs 101 post but is the one that was mentioned (102) something different?
                    -Brandon


                    Comment


                    • #11
                      Originally posted by badwithcomputer View Post
                      excellent advice!

                      the correct name for the link is carbs 102? or 101? i remember seeing a carbs 101 post but is the one that was mentioned (102) something different?
                      You have a 2001 so a post kat. The carbs 101 is for pre-98 Kats. Carb 102 is for posts. link Trust me it helps, a lot.


                      "Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth." Oscar Wilde

                      “Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires.” John Steinbeck

                      Comment


                      • #12
                        From my days as a dirtbike rider and the way the air filter looks, I'm going to guess the oil in the airbox is from the filter being over oiled and dripping off of it. I would clean it out and switch the air filter and not worry about it again.
                        89 Katana 750
                        06 Honda CRF250R

                        Comment


                        • #13
                          great, thanks for the reassurance guys! I downloaded and printed the carbs 102!

                          I am going to start this week! what supplies should i have handy? right now I have brake clean and shop towels. will i need any type of rubber rings or anything that is replaceable when i get in there? I read about the "chemdip" in the 102 - not sure where to find it around here or if i can just use a can of good carb cleaner and get good results.

                          How long should a newb such as myself take to do this? I know a local shop quoted me 6+ hours for labour and that was remove, clean and sync carbs and reinstall. I triple whatever my mechanic buddy tells me it takes me to fix my jeep and that's usually spot on haha. I will prepared to spend 2 or 3 hours a day for 5 days to get er' done.

                          1 more question.. what order should i do all of this in? I need to do an oil change, new air filter and plugs plus clean and sync the carbs. I know i need it running to know if the carb clean and sync did it's job so start with the general stuff? oil change, filter and plugs? then see how it runs then do the carbs and sync?
                          -Brandon


                          Comment


                          • #14
                            That's not oil from an air filter, the crankcase vents to the airbox as was previously stated. That's a disturbing amount...
                            90% of motorcycle forum members do not have a service manual for their bike.

                            Originally posted by Badfaerie
                            I love how the most ignorant people I have met are the ones that fling the word "ignorant" around like it's an insult, or poo. Maybe they think it means poo
                            Originally posted by soulless kaos
                            but personaly I dont see a point in a 1000 you can get the same power from a properly tuned 600 with less weight and better handeling.

                            Comment


                            • #15
                              Originally posted by scottynoface View Post
                              That's not oil from an air filter, the crankcase vents to the airbox as was previously stated. That's a disturbing amount...
                              oh jeez any idea the cause of something like this? could it have just been over filled? or maybe years and years of it never being emptied?
                              -Brandon


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