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  1. #1
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Polaris domestic engine oil pumps - differences?

    Are there any important non-obvious differences between the various versions of the Polaris domestic oil pumps?

    Obviously the oil pumps for the two cylinder engines have two oil outlets, the carb'ed and fuel injected three cylinder engines have three oil outlets, and the MSX 140 engine has four oil outlets (extra oil feed for the MAG front crank bearing).

    Are there differences in the internal flow rates of the pumps?
    Do the two cylinder pumps move less oil?
    Do the Ficht engine only pumps move less oil?

    Three cylinder
    2540104 2003-2004 MSX 140 Ficht
    2540110 2003-2004 Genesis Ficht
    2540049 1999-2002 Genesis i /Virage TXi Ficht, and SLX/SLTX/SLTX-B/Genesis/Virage TX/PRO 1200
    1251080 (Substituted by 2540049) 1996-1998 SL900/SL1050/SLTX

    Two cylinder
    2540112 2002-2004 Virage i Ficht (dual throttle body)
    2540073 2000-2004 Virage/Freedom, 2001 SLH (Single carb)

    2540050 1999 SLH/SLTH, 2000 SLH (dual carb)
    1251082 1996-1998 (substituted by 2540050) Hurricane/SL700/SLT700/SLTH (dual carb)


    The oil pump cable was changed in 2001;
    Three cylinder
    7081024 2001-2004 CABLE-OIL PUMP W/THICK NECK
    7080602 1996-2000 (Substituted by 7081024) CABLE, OIL PUMP

    Two cylinder
    7080642 1996-2000 CABLE,OIL PUMP
    7081022 2001-2004 Cable, Oil Pump
    Last edited by K447; 03-13-2010 at 04:19 PM. Reason: Single carb models - Thanks Casey!


  2. #2
    casey67's Avatar
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    [QUOTE=K447;1362391]
    Obviously the oil pumps for the two cylinder engines have two oil outlets,


    Two cylinder
    2540112 2002-2004 Virage i Ficht
    2540073 2000-2004 Virage/Freedom, 2001 SLH
    2540050 1999 SLH/SLTH, 2000 SLH
    1251082 1996-1998 (substituted by 2540050) Hurricane/SL700/SLT700/SLTH





    I'm pretty sure the '01 SLH /'00-04 700 Virage-Freedom have single carb's and single outlet oil pump.

    I have no answers for your other questions

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