Cylinder head oil distribution system for certain Harley-Davidson motorcycle engines

An improved oil distribution apparatus for distributing oil through the front and rear cylinder heads of a HARLEY-DAVIDSON twin cylinder V-type motorcycle engine having said front cylinder inclined at a 45.degree. angle relative to said rear cylinder and having only a single threaded oil outlet from the crankcase thereof, said rear cylinder head having a threaded oil inlet disposed in a lower portion of said rear cylinder head, said rear cylinder head also having a threaded oil outlet disposed in a front side of said rear cylinder head, said front cylinder head having a threaded oil inlet disposed on a rear side of said front cylinder head, said apparatus comprising in combination:

• (a) a tubular Y fitting means having a first tubular extension with a threaded portion for threaded sealing engagement with said crankcase oil outlet;
• (b) a first oil tube external to said front and rear cylinders having an upper fitting sealably attached to an upper end thereof for threaded, sealing engagement with said oil inlet of said rear cylinder head;
• (c) a first fitting for removable, sealable, connecting of the lower end of said first oil tube to a second tubular extension of said Y fitting means;
• (d) a second oil tube external to said front and rear cylinders;
• (e) a second fitting for removable, sealable, connecting of the lower end of said second oil tube to a third tubular extension of said Y fitting means;
• (f) a third fitting for removable, sealable, connecting of the upper end of said second tube to said oil inlet of said front cylinder head;
• and
• (g) a threaded plug for sealing closed said oil outlet for said rear cylinder head.