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Thread: What oil?

  1. #1

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    What oil do you guys use in your bikes and where do you get it? I am doing an oil change and need to make sure I use the right oil.
    81 CX500 Custom



    "Well my time went so quickly,I went lickety spickly, out to my ol' 55"

  2. #2
    Super Moderator Blindstitch's Avatar
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    10-40 cheap dinosaur oil or 15-40 Rotella.
    1968 Honda CT90 Trail-Yellow Monster project
    1979 Honda CX500 Supertanker 72,000 miles.
    1983 Honda Gl650I Falcon-killer 70,000 miles.
    Pictures of my bikes Past and Present.



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  3. #3

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    Yep...the Shell Rotella 15w-40 is pretty common and inexpensive.

  4. #4

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    Quote Originally Posted by morrow View Post
    Yep...the Shell Rotella 15w-40 is pretty common and inexpensive.
    Thanx guys. Going to get some today!
    81 CX500 Custom



    "Well my time went so quickly,I went lickety spickly, out to my ol' 55"

  5. #5
    wmw
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    Senior Member wmw's Avatar
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    wow, first oil thread on the new forum...that didn't take long.
    CX/GL Motorcycles I've Owned

    1983 CX650 Turbo

    1982 CX500 Turbo

    1982 CX500 Custom

    1983 CX650 Custom

    1983 GL650 Silverwing Interstate

  6. #6
    Senior Member Steve in Wa's Avatar
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    Blindstitch,



    It will be nice if we can get your sticky from the old forum with all of the answers to the most common questions.
    Steve



    1982 GL500i

  7. #7
    Super Moderator Blindstitch's Avatar
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    Wouldn't that be nice. Actually it's floating around in the general section and I also have it at the bottom in my signature. Well not all but what I saved over to Sheps forum for good luck.
    1968 Honda CT90 Trail-Yellow Monster project
    1979 Honda CX500 Supertanker 72,000 miles.
    1983 Honda Gl650I Falcon-killer 70,000 miles.
    Pictures of my bikes Past and Present.



    Quick Reference Sheps Forum Supertanker Build Back up Info ⇒ Free Factory Service Manuals ⇐

  8. #8
    marshallf3's Avatar
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    Quote Originally Posted by drummertom View Post
    What oil do you guys use in your bikes and where do you get it? I am doing an oil change and need to make sure I use the right oil.


    There's little doubt that most of us are in agreement that you can't go wrong with Shell Rotella 15W-40, some even use their 5W-40 synthetic. Mobil Delvac is also a super heavy duty diesel oil that would be the equivalent.



    There are several reasons for suggesting this oil in addition to it being approved by JASO as acceptable for use in wet clutch bikes. It's a heavy duty diesel oil with an outstanding history of protection and longevity (over half the semi trucks on the road use it) and part of the reason is that it still contains a decent level of zinc - an anti-shear additive that is essential in our bikes since the clutch and transmission gears share the same oil as the engine. Gears meshing/mashing against each other is very hard on oil; it breaks down the additive package and viscosity in short order thus the reason most of us use inexpensive oil and change it often.



    Modern automotive oils (especially anything that states "Energy Conserving" on the label) have replaced the time proven additives with all sorts of other things, many of which can result in clutch slippage. They've done this for two reasons - the new additives are less harmful to catalytic converters and the "more slippery" factor results in a tiny increase in mpg.



    Oddly enough this is one case in which the less expensive product is the better one for our uses.
    1979 CX500 Custom - restored to almost original condition. I'm waiting to get strong enough to return to work so I can finish all the painting prep and priming, then I'll take the tank and sides out to Old Okie's shop where the bike is and shoot the color, clear, apply decals and final clear then polish it to a perfect gloss.



    I also have the tendency to misspell or add things later to a post so check again a bit later.

    *Click here to e-mail me

  9. #9
    Floaterdave's Avatar
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    Quote Originally Posted by drummertom View Post
    What oil do you guys use in your bikes and where do you get it? I am doing an oil change and need to make sure I use the right oil.
    Extra Virgin Olive Oil From Italy...........Just kidding.





    Rotella 15-40



    About $10 a gallon at my local Walmart.
    1979 CX500 C

    1980 CX500 C (Another $150 project with 26k and a title)

  10. #10
    buddygunzz's Avatar
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    So the 15-40 has all of the additives that is needed for the engines and clutch? just got the bike @2 months ago and used honda oil but a little pricey
    1981 Honda Silverwing Interstate (RED)

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