XL5-Sportster 5 Speed

The BAKER™ XL5 is an improved smooth shifting 5-Speed ‘cartridge style’ gearset for 1991-2003 Sportster/Buell models.

– Billet 6061-T6 trap door
– Complete gearset with lead in ramps including shafts and gears
– Gearset is assembled to the trap door including bearings, thrust washers, and retaining rings
– Bolted on detent plate with optimized geometry
– Smooth shift drum
– Low effort detent spring
– Stock style bronze shift forks with roller pins and cotter pins
– 5 Year limited warranty

XL5 Kit Contents

Aircraft alloy gears with lead-in ramps on the shift dogs for smoother shifting.

XL5 Gearset Layout

XL5 Billet Bearing Door


Shift Drums
Shift drums have optimized fork pin groove geometry for smoother shifting and the ability to find neutral. Drum detent plate is made out of billet and secured to the drum using a bolt, no more flimsy retaining clip. Choice between a standard or reverse pattern shift system.


Standard Pattern Drum 1-N-2-3-4-5
Reverse Pattern Drum 5-4-3-2-N-1


XL5 Part Numbers and Fitment:

PN Description Fitment
101 XL5 Builder’s Kit, Stock Ratio 91-03 Sportster/Buell
111 XL5 Builder’s Kit, Close Ratio 91-03 Sportster/Buell
121 XL5 Builder’s Kit, Close Ratio 1st & 2nd 91-03 Sportster/Buell
131 XL5 Builder’s Kit, Close Ratio 1st, 2nd, 3rd & 4th 91-03 Sportster/Buell


– Add a “R” suffix at the end of the part number for reverse pattern shift drum and detent plate. EX: 101-R


Gear Ratio Comparison Chart

PN Stock 91-94 Stock 95-UP XL5-101 XL5-111 XL5-121 XL5-131
1st 2.78 2.69 2.52 2.61 2.37 2.03
2nd 2.03 1.97 1.96 1.96 1.88 1.67
3rd 1.49 1.43 1.44 1.44 1.44 1.36
4th 1.22 1.18 1.18 1.18 1.18 1.16
5th 1.00 1.00 1.00 1.00 1.00 1.00


– PN 111 will go 47 MPH in 1st gear
– PN 121 will go 52 MPH in 1st & 66 MPH in 2nd gear
– PN 131 will go 61 MPH in 1st, 74 MPH in 2nd, 91 MPH in 3rd & 107 MPH in 4th gear


Above speed calculations based on a 3.61 primary/secondary reduction at 6000RPM


Recommended Upgrades
– Sportster Aluminum Pulleys
– Sportster Steel Pulleys
– Reverse Pattern Shift Systems
– Buell Chain Conversion Kits


Click on any of the images below to learn more

XL Aluminum Race Pulley

XL Steel Long Life Pulley

XL Reverse Pattern Shift System

Buell Chain Conversion Kits


Spectro Primary Oil

BAKER XL5 Fluid Capacity Dry: 44-46 fl-oz
BAKER XL5 Fluid Capacity Wet: 40-42 fl-oz


We recommend using Spectro Heavy Duty Primary Chain Case Oil; Click Here to learn more.


Installation Instructions
XL5 Instructions: Refer to your Factory Service Manual





XL5 Gearset

XL5 Gearset Door View



BAKER DRIVETRAIN| 9804 E. SAGINAW, HASLETT, MI, 48840 |1-877-640-2004| 517-339-3835 | FAX: 517-339-4590 @2012 BAKER INC