1940 April Harley-Davidson Enthusiast Magazine Back-Issue

Cover Photo: The carefree couple are Mr. and Mrs. Charles Turner of Hackensack, N.J., near the Norwood Rod and Gun Club, Maywood, New Jersey. Contents: The Celebrated Police Drill Team of the Rose City Motorcycle Club; Exploring Volcanoes of Yesterday; Servi-Car - a Valuable Piece of Police Equipment; Iowa Belt-Drive Pioneers Hold Reunion; Hail to the National A.M.A. Club Contest Winners!; Clubs Plan Big Season of Activity; Proud 1940 Owners; more Reverse Cover Advertisement: Why you get such astonishing motor performance in the 1940 Harley-Davidsons. The acceleration, power, speed, and stamina of the 1940 Harley-Davidsons is the talk of motorcyclists everywhere and the sensation of the season. Even the veteran rider, who has tried them all, beams with satisfaction as he twists the throttle and unleashes the mighty horsepower of the new Harley-Davidson motors. In the 61 OHV, 74, and 80 Twin motors the crank pin diameter has been increased and is now one and one-quarter inches. Twelve more rollers have been added, bringing the total to fifty-four. More rollers traveling on a larger diameter pin give greater bearing capacity and longer life. The crankcase main bearings on all 1940 Harley-Davidson motors feature a straight-through lap. Gear and sprocket side crankcase bushings are lapped when assembled. Perfect alignment of main bearings results, heat is reduced, and bearings are kept from crowding and creeping. The crank pins, roller bearings, and crankcase bushings on all 1940 Harley-Davidson motors are lapped to glass smoothness. Without lapping, it would require thousands of miles of road service to eliminate the grinding marks of ordinary manufacturing practice. harley-Davidson lapping operations give owners maximum performance and add greatly to bearing life... 1940 April Harley-Davidson Enthusiast Magazine Back-Issue available at www.DadsVintageAds.com CLICK THE PICTURE TO "BUY IT NOW"