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MAINSHAFT BEARING RACE REMOVAL AND INSTALLATION TOOL
J049372009-03-27
GENERAL
Kit Number
94129-09
Models
For 1984 and later models with EVO or Twin Cam engines.
Additional Parts Required
A service manual for your model motorcycle is required for specifications and is available from a Harley-Davidson Dealer.
WARNING
Rider and passenger safety depend upon the correct installation of this kit. If the procedure is not within your capabilities or you do not have the correct tools, have a Harley-Davidson dealer perform the installation. Improper installation of this kit could result in death or serious injury. (00308b)
Kit Contents
See Figure 3 and Table 1.
REMOVAL
  1. Remove the primary cover, clutch assembly and primary chaincase.
  2. See Figure 1. Assemble the puller plate (1) with the two bolts (7) and two washers (6) into the puller bar (5). Install the center screw (4) and apply lubricant to threads. Install hardened tip (6).
    3. NOTE
    In the following step be sure the bolts are threaded into the puller plate at least half-way and are at the same length on the bar.
  3. Install assembly on mainshaft positioning the puller plate (1) behind the bearing race (2) as shown.
  4. Turn the center screw (4) clockwise until the bearing race (2) is pulled off the mainshaft. If you feel resistance of over 50 ft-lbs, you may need to apply heat to the outside diameter of the race to pull it free. Do not exceed 200 degrees.
1Puller plate
2Bearing race
3Hardened tip
4Screw
5Puller bar
6Washer (2)
7Bolt (2)
Figure 1. Pull Mainshaft Bearing Inner Race
1Bearing race
2Pusher tube
3Large washer
4Hex nut
Figure 2. Install Bearing Race
INSTALLATION
  1. Slide the new bearing race onto mainshaft with the chamfer toward the transmission. Use a press fit lubricant on the race bore and outside of the bearing race.
  2. See Figure 3 and Table 1. Install the left-hand thread extension shaft (1) to the transmission mainshaft.
  3. See Figure 2. Place the pusher tube (2) over the extension shaft with the large flat washer (3) and nut (4).
  4. Tighten the nut so the inside edge of the race is 0.100-0.125 inch (2.540-3.180 mm) from the end of the main drive gear.
SERVICE PARTS
Figure 3. Pull Mainshaft Bearing Inner Race
Table 1. Service Parts Table
Item
Description (Quantity)
Part Number
1
Left hand extension
2139H
2
Pusher tube
2140H
3
Puller plate
34902-84-3H
4
Screw
1024
5
Puller bar
2013
6
Hardened tip
1025
7
Bolt (2)
2030
8
Flat washer (2)
2212
9
Flat washer, large
2020
10
Nut
2032
If replacement parts are needed contact JIMS® at 805-482-6913 or www.jimsusa.com.