BOLT-ON CYLINDER KIT AND METHOD FOR INCREASING THE DISPLACEMENT OF AN ENGINE

A method of retrofitting a V-twin engine for increasing displacement. A cylinder replacement is performed by dismounting each of a pair of original cylinders from a crankcase. A pair of replacement cylinders are provided, each having a second cylinder bore diameter larger than a first cylinder bore...

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Bibliographische Detailangaben
Hauptverfasser:	Dane, Mark, Bishop, Brad, Nicosia, Tony
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A method of retrofitting a V-twin engine for increasing displacement. A cylinder replacement is performed by dismounting each of a pair of original cylinders from a crankcase. A pair of replacement cylinders are provided, each having a second cylinder bore diameter larger than a first cylinder bore diameter of the original cylinder to provide the V-twin engine with a second displacement greater than a first displacement of the original cylinder. A replacement spigot portion from each of the pair of replacement cylinders are aligned with a respective bore of the crankcase. The replacement spigot portion includes a second outer diameter larger than a first outer diameter of an original spigot portion. The second outer diameter of the replacement spigot portion and the crankcase bore diameter defining a subsequent diametric clearance smaller than an original diametric clearance of the original cylinders.