PART # 51-1957
VT No: 51-1957
Replica retro rigid frame straight leg style features original type construction including forged parts in neck, side car mounts, and rear axle area.
Retro rigid frame is exact Replica of the original style updated to accept flat side tanks, all BT engines.
Frame can be fitted with a Panhead, Shovelhead, Evolution or TC-88 engine with 4, 5 or 6 speed transmission.
Frame will fit Knucklehead or Flathead engine with use of an additional mount spacer.
Shovelhead, Evolution, and Twin Cam engines require the use of a tin inner primary.
Frame has a 30° rake, +2" raised neck, and 10.75" between the rigid rear axle plates.
Frame is set up for disc brake and uses a 1987-later style rear caliper. Utilizes 1986-89 soft tail tanks.
Will accept a 230 rear tire with chain drive or 200 rear tire with belt or chain drive, rigid style rear axle, 3/4" axle plate collars, transmission mount plate, inner primary cover flange spacers, and extended sprocket shaft and nut set, all related parts available separately.
Will not accept a stock seat post.
A Manufacturer's Statement of Origin is included
Country of Origin: Imported
When using a chain drive with a 230 tire, the use of #17-0859, a 1" offset plate and a #19-0105 sprocket is required.
When using a belt or chain drive with a 200 tire, the use of #17-0860, a 3/4" offset plate and a #19-0104 sprocket is required.
When using a Shovelhead, Evolution, or Twin Cam engine, it is required to use a #42-0617 tin inner primary.
When using with a TC-88 engine order #51-0625 rear frame mount adapter plate In some instances it may be necessary to ream or file holes slightly in order to assemble parts onto the frame.
Use #31-0475 Front Engine Mount Spacer to accept 1936-1947 Knucklehead or Flathead engines in 1948-up frames.
When using the #42-0617 tin inner primary, the use of #19-0570 is needed if using a #17-0859 transmission plate 1" offset and a #19-0105 sprocket.
When using the #42-0617 tin inner primary, the use of #19-0569 is needed if using a #17-0860 transmission plate 3/4" offset and a #19-0104 sprocket. Suggested to use with #44-1942 axle.