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Oil tank cap — Harley-Davidson patent US6983814B2 (2006)

PatentUS6983814B2
TypeUtility patent
Filed2003-07-11
Granted2006-01-10
InventorJeffrey L. Armstrong
SystemOil system

“A motorcycle comprising a frame, a front wheel coupled to the frame, and a rear wheel coupled to the frame. An engine is supported by the frame and is adapted to propel the motorcycle. An oil tank is supported by the frame and includes an inlet defining an inlet aperture having an inlet axis. An…”

Full patent textDownload PDFShop oil system parts

Drawings (10 sheets)

Oil tank cap — sheet 1Oil tank cap — sheet 2Oil tank cap — sheet 3Oil tank cap — sheet 4Oil tank cap — sheet 5Oil tank cap — sheet 6Oil tank cap — sheet 7Oil tank cap — sheet 8Oil tank cap — sheet 9Oil tank cap — sheet 10

Parts for this system

28-0402
ISO Mounting Stud Oil Tank to Battery Tray
$6.80
15-1520
Oil Filter Adapter Seal
$8.48
40-9956
Stock Spin On Oil Filter
$8.48
40-0221
Oil Filter Adapter Screw Kit Allen Type
$8.48

Check fitment first — add your bike and we flag what fits.

More oil system schematics

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Oil tank for a motorcycle — patent drawing
USD571276S1
Oil tank for a motorcycle
2008 · Oil system

Drawing from the US patent record (via Google Patents). A patent shows the invention as filed, not necessarily the production part on your motorcycle — confirm fitment for your model and year. Independent aftermarket retailer, not affiliated with Harley-Davidson, Inc.