Motorshop Transmission Mainshaft 17-0579 for 1985–1989 Big Twin 5-Speed Transmissions

5-speed transmission mainshaft for 1985-1989 Big Twin

The Motorshop Transmission Mainshaft is designed for 5-speed transmissions used in select 1985–1989 Big Twin applications. It provides a replacement mainshaft option for compatible transmission service and rebuilding needs.

This mainshaft fits the listed 1985–1989 Harley-Davidson FLT, FLST, and FXST applications, including 1985–1986 FLT models, 1986–1989 FLST models, and 1986–1989 FXST models. Verify the application and OEM cross reference before installation.

The shaft features threaded ends measuring 5/16 inches and is identified by OEM cross reference 35042-85. The unit of measure is each, and the country of origin is Taiwan.

Motorshop part 17-0579 is supplied as a transmission mainshaft for compatible service applications. Accessory items listed for this product include the Counter Sprocket Nut Tool and Mini Motorcycle Lift Tool.

Features:

• Application: 5-speed transmission mainshaft for select 1985–1989 Big Twin applications
• Fitment: 1986–1989 Harley-Davidson FXST, 1986–1989 Harley-Davidson FLST, and 1985–1986 Harley-Davidson FLT
• OEM Cross Reference: 35042-85
• Threaded Ends: 5/16 inches
• Unit of Measure: Each
• Country of Origin: Taiwan

Fitment
Harley Davidson FLST 1986
Harley Davidson FLST 1987
Harley Davidson FLST 1988
Harley Davidson FLST 1989
Harley Davidson FLT 1985
Harley Davidson FLT 1986
Harley Davidson FLT 1987
Harley Davidson FLT 1988
Harley Davidson FLT 1989
Harley Davidson FXR 1985
Harley Davidson FXR 1986
Harley Davidson FXR 1987
Harley Davidson FXR 1988
Harley Davidson FXR 1989
Harley Davidson FXST 1986
Harley Davidson FXST 1987
Harley Davidson FXST 1988
Harley Davidson FXST 1989