Transmission Oil Question

Discussion in 'Sportster Models' started by CoreyV, Oct 30, 2011.

  1. CoreyV

    CoreyV Member

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    Getting ready for my 1000 mile service. Dealer recommended synthetic in the engine and conventional oil in the transmission and primary. I do some cold weather riding. So would I get a better shift with synthetic than conventional because it isn't as stiff as conventional?
     
  2. dbmg

    dbmg Experienced Member

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  3. dbinbc

    dbinbc Active Member

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    The Sportster's tranny and primary are the same reservoir, not separate. Use a good syn in the engine, go with something like Harley's Formual + for the primary/tranny.
     
  4. jetwrench

    jetwrench Member

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    I have an 08 1200, I switched to Spectro heavy duty primary chaincase lube that is specifically formulated for sporties at the 5K service from the formula+. It shifts better and I find neutral much easier in my opinion.

    Having to use conventional motor oil in the primary/trans is from the old days, go with a lube that is formulated for the application whatever brand you choose spectro, redline, HD forula+, etc.

    I could go on, but there are plenty of oil threads that cover the topic.
     
  5. PaPa T

    PaPa T Active Member

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    Gear oil for gears. Spectro only way to go
    PaPa T