* 16T x 20T mainshaft 1st gear cluster with a 24T countershaft 1st gear.* Installation in ’80-86 4spBT requires purchase of a 21 tooth countershaft(1.82 ratio) 2nd gear AP-202160.* 2.60 Ratio works best with Electra glides and heavier bikes with motor or trans sprockets having more teeth than stock sprockets. * With Andrews 4 speed…
* 17T x 20T mainshaft 1st gear cluster with a 24T countershaft 1st gear.* Installation in 1980-86 4sp Big Twin requires purchase of a 21 tooth countershaft 2nd gear AP-202160.* Best choice for Superglides, choppers and lighter bikes. This is a no clunk 48 mph, 1st gear. * With Andrews 4 speed gears, transmissions last…
Gear Kit * Includes all 6 gears, 2 shift clutches and 2 forks. * Shafts and small parts kits must be ordered separately.* Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better.Tech Tips:-* 1st Ratio = 2.44 – 3rd Ratio = 1.35.
* Stock mainshaft 3rd (1.23 Ratio) (24T)* OEM 35306-59* Replacements for stock mainshaft 3rd. The design of drive slots on mainshaft gear has been upgraded to include lead-in ramps for quicker, more positive shifting.* With Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better.
* Stock 2nd gear with drive slots include lead in ramps for more positive 1-2 shifts. This 21 tooth gear fits 1941-1979. It will also fit later transmissions but requires one of the following listed first gear sets. AP-201105 or AP-201145
Requires the below to complete:* 2 x JM-35961-52 = Brg; C/Shaft BT’77-84(2req)* 1 x JM-9020 = Brg; Trans Main BT’36-86 4spd * 1 x 25451 = Brg; M/Drive Gear BT’82-86 4spd* 1 x JM-8905 = Brg; Main Drive Gear BT’77-81* Use Jims Shift fork Align tool # JM-96385-78A* We use JIMS# proven transmission parts to…
Features & Benefits:-* Transmission Thrust Washers sets & individual sized washers for all 4 speed Big Twins from 1936-1986. * Machined to Original Equipment Spec. in the USA. * The 7 piece Counter Shaft Gear End Kit includes washers from .074in. through to .100in..* Individual sized washers available in Packs of 5.* Sold as a…
At Taverner Motorsports, we specialise in providing high-quality parts for motorcycles from the BT 4 Speed era. Our extensive selection ensures that you can find the perfect components to maintain or restore your classic bike, keeping it in top running condition. We cater to a variety of models, including Harley-Davidson and others.
Our inventory includes everything you need for your BT 4 Speed transmission system, from complete gear sets and transmission externals to transmission internals. Each part is meticulously selected to ensure it meets the highest standards of quality and performance, allowing you to ride with confidence and peace of mind.
Whether you are undertaking a complete restoration project or simply need to replace a worn-out component, Taverner Motorsports is your go-to source for BT 4 Speed era transmission parts. Shop with us today and experience the exceptional quality and service that sets us apart from the rest.