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Crankshaft drive for an internal-combustion engine — Harley-Davidson patent US6659060B2 (2003)

PatentUS6659060B2
TypeUtility patent
Filed2001-06-29
Granted2003-12-09
InventorAlfons Linder
SystemPrimary & final drive

“A crankshaft drive for an internal-combustion engine includes a crankshaft, a connecting rod assembly coupled to the crankshaft, and a balancing shaft arranged parallel to the crankshaft and at a distance r from the crankshaft. A balancing weight extends from the balancing shaft for balancing mass…”

Full patent textDownload PDFShop primary & final drive parts

Drawings (6 sheets)

Crankshaft drive for an internal-combustion engine — sheet 1Crankshaft drive for an internal-combustion engine — sheet 2Crankshaft drive for an internal-combustion engine — sheet 3Crankshaft drive for an internal-combustion engine — sheet 4Crankshaft drive for an internal-combustion engine — sheet 5Crankshaft drive for an internal-combustion engine — sheet 6

Parts for this system

14-6909
Ultima Clutch Pulley Cover Oil Seal
$5.40
20-8858
Ultima Belt Drive Outer Plate Support Spacer
$5.52
37-9892
Ultima 6-Speed RSD Tranmission Pulley Cover Set Screw
$6.35
20-8890
Ultima 2" Bagger Belt Drive Wave Washer
$6.35

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.