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Thread: OIL WEIGHT

  1. #1

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    OIL WEIGHT

    I have been running 10w-40, i have switched to 15w40, but am thinking of going to 20w-50 for the summer months.

    i was wondering what grades/weights does everyone use and why?

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  3. #2
    Super Moderator
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    Re: OIL WEIGHT

    10w40. It's what Honda recommends. 20w50 is too thick for the tight tolerances in the Blackbird's engine.
    -Paul

  4. #3
    follically challenged
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    Re: OIL WEIGHT

    im with paul: zero tolerance 10w40 for me too.
    500px
    skype: heistinger
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    www.heisti.at

  5. #4
    just do it
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    Re: OIL WEIGHT

    +1 stick with 10 40 does it all,do a search

  6. #5

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    Re: OIL WEIGHT

    I run 10-40 but I don't ride in super hot weather.
    '02 Bird, Yoshi SS full system, PCIII, Corbin GunfighterLady, Givi hard bags with full lighting system, Goodridge steel lines, HIDs, Pazzo levers, Jaws front suspension + RaceTec GoldValves, fork brace, Penske adj rear, Acumen GI, Heli Bars, Hel oil lines, BattleStep rear sets, Samco red silicon rad hoses. Dyna Coils. Galfer wave rotors.

  7. #6

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    Re: OIL WEIGHT

    Oooh, must resist reading oil thread...can't resist, dammit. Now I'm going to give an opinion and be an asshole:

    Go here for everything you ever wanted to know about oil: - Bob is the Oil Guy

    I run Rotella 5W/40 synthetic in all my bikes. At any cold rating, 0, 5 or 10, the oil is too viscous to do its job right anyway, hence the importance of warming up for a minute. So a synthetic that both clings better when the bike is stored, and flows better cold, is the way to go. At least for me it has worked over many seasons and 0000s of miles.
    Found a Bird to replace my V65 (1/11)

  8. #7

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    Re: OIL WEIGHT

    Amsoil 10w40 here in hot Florida...shifts great, etc. all of the time.

  9. #8

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    Re: OIL WEIGHT

    OMG - A new oil thread!

    This AM in my garage it was still 80F. Today it may hit 110F on the highway. If it was like that all summer I would run 20-50W.

    The oil will get so hot it will break down and lose viscosity after a few rides. Pretty soon you will have 10-40W or even 5-30W.

  10. #9
    Welding. How hard can it be?
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    Re: OIL WEIGHT

    Castrol Power1 GPS 10W/40 semi. Perfect. We have riding temps here that range from -5 to 40 deg cel. Power1 copes with it all without batting an eyelid.
    "Argon, Gaz, I said argon! Not !@#$%^&* hydrogen! ... Gaz?"


  11. #10
    Resident Eh?hole.
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    Re: OIL WEIGHT

    Wolf's Head Golden 30 Weight. She'll never let you down.
    Where are we going...and what am I doing in this hand basket??

  12. #11

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    Re: OIL WEIGHT

    Now I have to fecking google Wolf's Head Golden 30. How can all these oils be so different. Motul Semi 10-40 for several years.
    '02 Bird, Yoshi SS full system, PCIII, Corbin GunfighterLady, Givi hard bags with full lighting system, Goodridge steel lines, HIDs, Pazzo levers, Jaws front suspension + RaceTec GoldValves, fork brace, Penske adj rear, Acumen GI, Heli Bars, Hel oil lines, BattleStep rear sets, Samco red silicon rad hoses. Dyna Coils. Galfer wave rotors.

  13. #12

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    Re: OIL WEIGHT

    I believe Honda has a list of recommended oil viscosities, not just the 10-40.
    I use Rotella T-6 full synthetic 5-40 for cool weather and Mobil 1 full synthetic 20-50 motorcycle oil during the heat of the summer.
    The turbo uses oil for cooling as well as lubrication and therefore puts more demand on the oil.
    Sounds strange but I change oil and filter when I change my tires, around 4500 miles on Pilot Powers.
    Maybe even stranger sounding, I flip the front sprocket once at the same time and replace it the next.
    4 front sprockets so far with the same chain and rear sprocket...7 sets of tires...30,000+ miles
    1 1/2 turns on the chain adjusters since I put on the chain...LPS 3 for chain lube every other gas fill, which is about every 400 miles.
    And you thought this was just going to be another boring oil thread...lol
    Hank

  14. #13

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    Re: OIL WEIGHT

    Quote Originally Posted by CanadianBird View Post
    How can all these oils be so different.
    it's the procedure they follow to reach their final product..

    Simple oils usually start with a mineral base then they add the approriate additives to reach the API spec that the product is intended for..

    For the semi ones they start with a selectively refined mineral base or with ester based oils (not necessary mineral)..

    The full synth aspect has a totally reversed engineering procedure...they build their own base oil setting the characteristics of the oil on molecule level to the specs that they need..

  15. #14

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    Re: OIL WEIGHT

    for those running 20w-50? any problems? the concensus seems to be 10w-40, because of the tight tolerances. I am running Rotella 15-40, too bad they dont make a synthetic in 15w-40

  16. #15

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    Re: OIL WEIGHT

    Quote Originally Posted by 99BLACKBIRD View Post
    for those running 20w-50? any problems? the concensus seems to be 10w-40, because of the tight tolerances. I am running Rotella 15-40, too bad they dont make a synthetic in 15w-40

    I used semi-synth 20w-50 on my blackbird untill 40.000 kms...no problem at all..next 10.000 was a mixed choice of 10w-40 and 20w-50 and still great..after 50.000 kms i run periodically on full synth and have a better feel on the gearbox...see the recommended viscosity index on the service manual to match for your area's temperature values...


 

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