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Lubrication system and method of lubricating an internal-combustion engine — Harley-Davidson patent US6604608B2 (2003)

PatentUS6604608B2
TypeUtility patent
Filed2001-12-14
Granted2003-08-12
InventorStefan Fegg
SystemOil system

“An apparatus and method for lubricating an internal-combustion engine includes a shaft extending through a gearbox, a gear and a sliding sleeve coupled to rotate with the shaft and adapted to move axially along the shaft, a gearshift fork in mating engagement with the sliding sleeve and moveable…”

Full patent textDownload PDFShop oil system parts

Drawings (5 sheets)

Lubrication system and method of lubricating an internal-combustion engine — sheet 1Lubrication system and method of lubricating an internal-combustion engine — sheet 2Lubrication system and method of lubricating an internal-combustion engine — sheet 3Lubrication system and method of lubricating an internal-combustion engine — sheet 4Lubrication system and method of lubricating an internal-combustion engine — sheet 5

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.

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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.