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Thread: 450r dry-sump

  1. #1
    Join Date
    Jun 2002
    Location
    Olive Branch, MS
    Posts
    3,732

    450r dry-sump

    does the new 450r not have dry-sump?????
    CFRacing

    Hunter Haswell #20

    Aston Haswell #22

  2. #2
    Join Date
    Mar 2001
    Location
    Massachusetts - The anti-ATV state!
    Posts
    301
    It does not have a dry sump.

    It has dual (wet) sumps ... seperate oil for tranny and engine. Supposedly, separating the 2 oil sources eliminates the need for the external tank, keeps the tranny from contaminating the motor oil and obviously reduces weight.

    It does, however, have an aluminium oil cooler.
    2004 TRX450R - HRC, AC F.Bumper, db Eliminator 2+2, G-Force F/W Spacers.

  3. #3
    Join Date
    Sep 2003
    Location
    ca
    Posts
    123
    416 is correct on all counts. I would just like to add that it is more of a pain to change oil but it does keep contaminates out of the clutch which adds to the reliablity of the bike.
    YFZ450-mine
    440ex -girlfriends
    ltz-400-dad's
    all modded and dune/xc/track ready

  4. #4
    Join Date
    Mar 2003
    Location
    Edmonton, Alberta, CANADA
    Posts
    265
    so u could run non-synthetic for the clutch and synthetic in the motor then right? they dont have to be the same'
    ?
    2002 Honda 400ex
    DG KromeLite bumper
    Duncan Racing p.b. block
    Motion Pro clutch lever
    Aren Bros Nerf bars
    DR Brake Pads F/R
    Renthal TRX bend bars
    Scott Grips
    Tether Kill switch

    *Real Motors...Have Valves*

  5. #5
    Join Date
    Mar 2001
    Location
    Massachusetts - The anti-ATV state!
    Posts
    301
    Correct, and probably the ideal setup, as typically, fully synthetic oils can cause clutch slippage, but fully synthetic is prob the best for the enginge itself.
    2004 TRX450R - HRC, AC F.Bumper, db Eliminator 2+2, G-Force F/W Spacers.

  6. #6
    Join Date
    Apr 2003
    Location
    So Oregon
    Posts
    679
    Wouldnt the oil be easier to change with out the external oil rez? Theres only one place you have to drain it now and you dont have the troubles with over or under filling like with some bikes (raptor).

    Does the tranny oil have ot be changed as often as the oil?
    04 TRX450R- Curtis Sparks exh. and air filter kit.

    95 kx125

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