BAKER Harley Complete 4SPD Transmission
Favored by those inspired by the old school cool, garage builders and riders of the nostalgic persuasion this transmission offers the worry-free convenience and reliability of a new BAKER Drivetrain product.
The introduction of the Knucklehead and the 4-speed in 1936 marked an epoch in the history of American motorcycles. Many consider the period of 1936-84 the holy grail of Harley fuckin Davidson. To carry on that legacy we developed the BAKER 4-speed, available with ratchet top or jockey top lids. The external architecture of our cast (A356-T6) 4-speed transmission case was modeled after factory cases to capture all the details and character of the original design. But we made many functional upgrades to address shortcomings of the original design like leaks, serviceability, and durability. The loose rollers on the maindrive gear were replaced with a radial ball bearing. The bronze bushings on the gearset were replaced with caged needle bearings. We added a provision, hidden in the back of the case, for an electronic speedo but retained the traditional worm gear speedo provision on the front of the case. The stock Fred Flintstone shift detent was replaced with a snot-slick linear ball bearing detent for that smooth ‘snick-pop’ shift quality you expect from us.
We manufacture three shift drums for the 4-speed; the FX & FL types with conventional shift patterns and the N1 style. The N1 drum takes the FX pattern and relocates neutral down below 1st for a N-1-2-3-4 pattern as an alternative to the standard 1-N-2-3-4 pattern. Great for foot clutch and performance applications.
Shift Lever Orientation:
The FL shift drum in a Jockey top cover is setup for a top pull (1936-46) or bottom pull (1947-65). The N1 shift drum in a Jockey top cover is setup for bottom pull only. The FL shift drum in a Ratchet top cover is bottom pull only. The FX and N1 shift drum in a Ratchet top cover is top pull only.