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Breather assembly for an internal combustion engine — Harley-Davidson patent US7063078B2 (2006)

PatentUS7063078B2
TypeUtility patent
Filed2004-06-30
Granted2006-06-20
InventorJesse Dees
SystemEngine

“A breather assembly for a motorcycle engine includes first and second substantially identical rocker supports that are each coupled to a respective cylinder head. Rocker covers are coupled to the rocker supports and cooperate therewith to define respective rocker chambers. Each rocker support…”

Full patent textDownload PDFShop engine parts

Drawings (8 sheets)

Breather assembly for an internal combustion engine — sheet 1Breather assembly for an internal combustion engine — sheet 2Breather assembly for an internal combustion engine — sheet 3Breather assembly for an internal combustion engine — sheet 4Breather assembly for an internal combustion engine — sheet 5Breather assembly for an internal combustion engine — sheet 6Breather assembly for an internal combustion engine — sheet 7Breather assembly for an internal combustion engine — sheet 8

Parts for this system

32-0064
Magneto to Crankcase Oil Seal Ring and Gasket Kit
$6.35
14-0555
Rear Caliper Piston O-Ring
$10.64
15-1380
Rear Master Cylinder Gasket Kit
$10.64
23-0825
Handlebar Master Cylinder Piston Cup
$10.64

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.