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1939 Harley-Davidson OHV Experimental Prototype | 1939 Classic Motorcycle in San Diego CA | 7155831

This listing was posted on ListedBuy.

$90,000

1939 Harley-Davidson OHV Experimental Prototype

Price:
$90,000
Summary:
Used 1939 18 miles
Location:
San Diego, CA
Description:

1939 HARLEY DAVIDSON EXPERIMENTAL PROTOTYPEHere is BIll Harley Experimental " Second Generation" All Aluminium OHV 52 cubic inch 1938-39 Harley. Bill Harley's dream of an over-head valve lightweight machine created experimentally by Harley- Davidson Motor Co. He only built one of these and four of the all iron models, this one has all aluminium heads and barrels with EX clearly marked to both. The lower end is OHV only with 1937 OHV oil pump. The Motor is proprietary to this machine using narrow cams and oversized cam cover. Notice where the lower pump area fits, this is for the Presure Fed Crank on the OHV Bill Harley desighned for this motor. The Iron head motors are simular. The all aluminium one has the " A frame" style head and the Iron model is the " Gap type" with many diffrences in design as pictured. All are EX marked clearly and this motor is also marked #4. Note the oil return angle is straight instead of angled on the OHV, also the bearing is removeable and not blind on the output shaft. Also to note is the diffrence of the lifter blocks. They are drillled to the channel to vacuum the oil from the OHV heads. The wheels sport one off narrow stepped hubs with small spoke rims. There are many experimental parts on Bill Harley's machine. This is the actual, Bill Harley ’s experimental, “second generation ” 52-cubic-inch overhead valve 1938-39 Knucklehead prototype designed and fought for by Bill Harley in the late 1930’s. There were five prototypes produced, but this example is the only one equipped with aluminum heads and barrels. (It may be the only complete experimental Harley Davidson motorcycle known to remain in existence). The 1938 lower end is overhead-valve only, specific to this model, and utilizes an oil pump from a 1937 motorcycle. The motor is proprietary to this machine using narrow cams and oversized cam cover. With an A-frame style head, Motor No. 4 is marked EX. The lifter. Still available at ListedBuy!
For sale by:
Private Party
February 2 on ListedBuy
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More About this Listing: 1939 Harley-Davidson OHV Experimental Prototype
1939 Harley-Davidson OHV Experimental Prototype is a 1939 Classic Motorcycle in San Diego CA. Find other listings by searching for 1939 in San Diego on Oodle Classifieds.