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Service Interval Poll - Middle & Final Drive Oil Change

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  • #1

    Service Interval Poll - Middle & Final Drive Oil Change

    So I just changed my middle and final drive oils and felt like I just waisted good oil out of the final drive. The service manual says to change it at 5000 mile intervals but I changed it at about 8000 miles. The final drive oil looked as good as when it went in and the magnet on the plug didnt have much on it. The middle drive oil was darker and the plug had maybe twice the amount of sludge on it... Im using a Valvoline synthetic blend and I believe the service intervals can be doubled or more if you are using a synthetic blend or full synthetic. I'd like to hear what intervals people are changing their middle and final drive oils at and what oil they use. This isnt intended to be a debate on what is the best oil to use, just what you use and what interval you change it at.

    Thanks!

    Valvoline "Durablend" Synthetic Blend, SAE 85W-140, meets API GL-5 and MT-1 services... about to go to 10,000 mile interval.
    31
    Every 5,000 miles.
    12.90%
    4
    Every 10,000 miles.
    12.90%
    4
    Once a year/riding season.
    29.03%
    9
    Every other year/riding season.
    19.35%
    6
    Other...
    25.81%
    8
    What oil..?
    0.00%
    0

    The poll is expired.

    '79 XS11 F
    Stock except K&N

    '79 XS11 SF
    Stock, no title.

    '84 Chevy K-10 "Big Blue"
    GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

    "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~
    Tags: None
  • #2
    75-140w RoyalPurple Syn. in both middle and final drive. Since its not my main ride any more, and only gets a few thousand miles of exercise a year, change intervals come every two or three yrs........if I happen to think of it. Only saving grace for the long intervals is the low to no humidity conditions here. Drains out still purple with the middle drive lookin' like it was just freshly put in.
    81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

    Comment

    • #3
      Hi WMarshy,
      I am using the same semi synthetic blend with similar results. I too plan to exstend the change interval. With dino oil I found it would change colour as though it was picking up moisture even though no filings on the drain plug.
      Phil
      1981 XS1100 H Venturer ( Addie)
      1983 XJ 650 Maxim
      2004 Kawasaki Concours. ( Black Bear)

      Comment

      • #4
        It has been two years since I drained the Royal Purple 75-140 out of Banshee. Now, when I got the SG, I drained the middle and final drive oils. This bike sat unused for two years. The fluids came out looking brand new. I have no idea how many miles were on them, but for time purposes, it had not effected the fluids.
        Life is what happens while your planning everything else!

        When your work speaks for itself, don't interrupt.

        81 XS1100 Special - Humpty Dumpty
        80 XS1100 Special - Project Resurrection


        Previously owned
        93 GSX600F
        80 XS1100 Special - Ruby
        81 XS1100 Special
        81 CB750 C
        80 CB750 C
        78 XS750

        Comment

        • #5
          I use a full synthetic and change once a year after I get a little time on it in the spring.
          Nathan
          KD9ARL

          μολὼν λαβέ

          1978 XS1100E
          K&N Filter
          #45 pilot Jet, #137.5 Main Jet
          OEM Exhaust
          ATK Fork Brace
          LED Dash lights
          Ammeter, Oil Pressure, Oil Temp, and Volt Meters
          Green Monster Coils
          SS Brake Lines
          Vision 550 Auto Tensioner

          In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

          Theodore Roosevelt

          Comment

          • #6
            I'm using the synthetic as well. It could probably go for years but I do a spring change along with the other checks like oil, brake fluid and fresh air in the tires.
            "If A equals success, then the formula is: A = X + Y + Z. X is work. Y is play. Z is keep your mouth shut." - Albert Einstein

            "Illegitimi non carborundum"-Joseph W. "Vinegar Joe" Stilwell



            1980 LG
            1981 LH

            Comment

            • #7
              I save up my clean used Royal Purple gear lubes and pass them onto my kids' hooptie cars. His vehicles usually die a horrible death that is NOT related to lubrication issues anyways.

              Heck, my old man maintained large fishing boats (V8 powered) in the mid/late 80s. Owners would drain/fill before any major trips. Most of the oil had about 8 hours of time on it. My old 60's Dodge POS loved that fancy oil back then. Free!!

              Recycle!
              1) Fire up Internet Explorer
              2) http://www.yahoo.com
              3) type "www.mapquest.com" into the Yahoo search page.
              4) go about day as VP managing multi-million dollar financial contracts.

              Comment

              • #8
                Daily driver

                I drive my bike all most every day, year round, I do mine every other oil change, I try to change around 3000 so 6000, I do it when I change my oil filter also.
                Bike History:1980 XS 1100 special current bike
                1980 XS 850 special wife sold

                Comment

                • #9
                  Dont forget to tell us what oul you are using, it does no good to us if we dont know what oil yoi are using. If using convential gear lube then the 5000 mile interval is probably appropriate...
                  '79 XS11 F
                  Stock except K&N

                  '79 XS11 SF
                  Stock, no title.

                  '84 Chevy K-10 "Big Blue"
                  GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                  "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                  Comment

                  • #10
                    Oh goody, an oil thread!
                    Just to throw a bone of contention, I will pass on some info that I heard from a tech rep for Kendall Oil. I asked him about the change interval on hypoid oil, in relation to warranty coverage on the rear end and tranny of a new truck, and he said that if the oil doesn't change color, either through heat oxidization or water contamination, that after a 5 or 10 thousand mile break in period, a drain of old, and a refill of new was all that would be required to go a 100 thousand miles. He said that the additive package was good as long as the oil didn't get contaminated.So if you have a source for Kendall, take it for what it's worth.
                    Personally, the white plastic dip stick gives a good view as to the clarity of the oil, and if it starts to look dark or creamy, it might be time to investigate the mechanical condition of the gear box.

                    CZ

                    Comment

                    • #11
                      I change 'em when i change the rear tire. regular gear oil 80/90
                      Former owner, but I have NO PARTS LEFT!

                      Comment

                      • #12
                        according to Yamaha service manual every6 months or 6000 miles is the correct interval...
                        1980 XS650G Special-Two
                        1993 Honda ST1100

                        Comment

                        • #13
                          My manual for '78-'79 says 5,000 miles but whats a 1,000 miles anyways...
                          '79 XS11 F
                          Stock except K&N

                          '79 XS11 SF
                          Stock, no title.

                          '84 Chevy K-10 "Big Blue"
                          GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                          "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                          Comment

                          • #14
                            according to haynes...
                            1980 XS650G Special-Two
                            1993 Honda ST1100

                            Comment

                            • #15
                              according to haynes...


                              This was issued in 1978...hows that for rare Yamaha ephemera?
                              1980 XS650G Special-Two
                              1993 Honda ST1100

                              Comment

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