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Rotational speed/tip sensor — Harley-Davidson patent US5613571A (1997)

PatentUS5613571A
TypeUtility patent
Filed1995-09-26
Granted1997-03-25
InventorDavid B. Rank
SystemElectrical & ignition

“A rotational speed/tip sensor combines a tip sensor and a speed sensor in one compact package for use on a motorcycle. The tip sensor includes a disk and a sensing device that detects the absence or presence of the disk in the apex of a V-groove. If the motorcycle tips over, the disk rolls out of…”

Full patent textDownload PDFShop electrical & ignition parts

Drawings (4 sheets)

Rotational speed/tip sensor — sheet 1Rotational speed/tip sensor — sheet 2Rotational speed/tip sensor — sheet 3Rotational speed/tip sensor — sheet 4

Parts for this system

32-3124
Ultima Output Starter Shaft Spring
$4.19
17-5873
Ultima Starter Gear Spacer
$4.19
17-0601
Kick Starter Arm Bolt Kit
$6.32
32-0404
Plain Rocker Style Handlebar Switch
$6.32

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.