Changing to a Next Gen oil screen cover/drain plug

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One of the improvements Kawasaki made on the 08+ 250J model was to change the oil drain bolt location. Instead of loosening the drain bolt from the block every time you change the oil, in the new system the drain bolt is part of the oil screen cover. Changing your F series bike to this new cover has the following advantages:

  • If you cross-thread the drain bolt, you replace it with another plate/cover, instead of figuring out how to salvage the motor.
  • You don't mess with the motor drain plug anymore.
  • You can change the oil with the bike on the sidestand.
  • Metal gasket is easier to replace than the paper one.

Cons:

  • Gives about 1" less ground clearance - no more sidewalk jumping.
  • Costs about $100.

To see more about the setup on the newer bike, look here.


Overall view; that's the old cover to the left:

DSC04361-2.jpg

The two of them side by side:

DSC04360-2.jpg

You'll need to obtain the two longer bolts from the new-gen if you do the swap:

DSC04362-2.jpg

A couple measurements:

The old gen at its thickest (including the paper gasket):

DSC04363-2.jpg

The new-gen at the point where the long bolts go through (including the metal gasket):

DSC04364-2.jpg

The new-gen at its thickest (including the metal gasket):

DSC04365-2.jpg

Finally, the new-gen piece has a metal gasket instead of a paper one. You'll need one:

DSC04366-2.jpg

So, if you want to make this swap, you'll need

  • New plate (14091-1575)
  • metal gasket (11061-0341)
  • the two longer bolts (132BB0645 x2)
  • Drain bolt crush washer (92065-097)
  • oil drain plug (92066-1174).

You won't have any clearance issues with the housing/drain plug and the lower cowl. The housing is centered at rear of the lower cowl opening. When installed, the housing/drain plug sit slightly below the bottom of the lower cowl. The only clearance issue will be with a drain pan if you try to change oil on the center stand. The drain plug points toward the left rear, at a slight downward angle, directly at the left center stand leg. Use the side stand for oil changes.

Lower cowl clearance:

EX250OilPlug8-2.jpg

Centerstand down:

EX250OilPlug3-2.jpg

Installed:

EX250OilPlug2.jpg EX250OilPlug5-2.jpg