0/0
SCREAMIN EAGLE MILWAUKEE EIGHT 128/131 STAGE IV CALIFORNIA KIT
941004222025-02-07
GENERAL INFORMATION
Table 1. General Information
Kits
Suggested Tools
Skill Level(1)
92500107, 92500108, 92500109, 92500110, 92500111, 92500112
Safety Glasses, Torque Wrench
(1) DTII and dealer installation required
KIT CONTENTS
Figure 1. Kit Contents: Top End Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Table 2. Kit Contents: Top End Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
1
Piston kit, 128
21900101
Includes Instruction J06687
2
1
Piston kit, 131
21900099
Includes Instruction J06687
3
4
O-ring, coolant manifold
11900090
4
2
Exhaust gasket
65324-83B
5
8
Flange nut
10200303
6
1
Cylinder head kit, air cooled (Black Granite)
16500749
Includes Instruction 94100117
Cylinder head kit, air cooled (HOG black)
16500750
7
1
Cylinder kit (Black Granite)
16800404
Includes Instruction J06682
Cylinder kit (HOG black)
16800407
Figure 2. Kit Contents: Valve Train Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Table 3. Kit Contents: Valve Train Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
4
O-ring
11293
2
4
O-ring
11132A
3
4
O-ring
11145A
4
2
Gasket, lifter cover
25700362A
5
1
Lifter kit, high capacity
18572-13
6
2
Gasket, lower rocker cover
25700425A
7
2
O-ring, breather
11900116
8
2
Gasket, upper rocker cover
25700372B
Figure 3. Kit Contents: Cam Compartment Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Table 4. Kit Contents: Cam Compartment: Screamin' Eagle Milwaukee-Eight™ Stage IV Components
Item
Qty
Description
Part No.
Notes
1
1
Gasket, cam cover
25700370A
2
1
Camshaft drive sprocket retention kit
25566-06
Purchase separately
3
1
O-ring, cam plate to oil pump
11900103
4
1
Camshaft, SE8-517
25400353
5
1
cam bearing
9298B
6
1
Oil pump (Oil cooled)
62400247
Purchased separately, if needed
1
Oil pump (Twin cooled)
62400248
Purchased separately, if needed
7
1
Seal
62400205
Purchased separately, if needed
8
1
O-ring, oil pump to crankcase
11293
Items included but not shown
1
Screamin' Eagle 64mm throttle body kit
27200040
Includes Instruction J06346
1
Screamin' Eagle high flow injection kit
27400040
1
Evaporative canister kit
60900103
Includes Instruction 94100244
1
Timer cover
25600117
Includes Instruction J06689
1
Product information label
Not sold separately
1
128 Stage IV Insert
25600127
1
131 Stage IV Insert
25600129
1
Exhaust header
65600452
1
Fan assisted oil cooler kit
62700204
Included in kit 29500107B
NOTE
Verify that all contents are present in the kit before installing or removing items from vehicle.
GENERAL
Instruction sheet is also available electronically. To verify you are using the most current version available, do one of the following:
NOTE
This instruction sheet may have a Supplemental Video to assist installer in clarifying a certain part of the assembly. A linked video would be located at the end of this instruction sheet.
Models
For model fitment information, see the Parts and Accessories (P&A) Retail Catalog or the Parts and Accessories section of www.harley-davidson.com.
Verify that the most current version of the instruction sheet is used. It is available at: h-d.com/isheets
Contact Harley-Davidson Customer Support Center at 1-800-258-2464 (U.S. only) or 1-414-343-4056.
Installation Requirements
WARNING
Rider and passenger safety depend upon the correct installation of this kit. Use the appropriate service manual procedures. 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. (00333b)
NOTE
This instruction sheet references service manual information. A service manual for the year and model motorcycle is required for this installation and is available from:
NOTE
Product information label contained in this kit is required in the state of California only. PRODUCT INFORMATION LABEL IS REQUIRED TO PASS THE CALIFORNIA SMOG CHECK PROGROM
    These items are available at your local Harley-Davidson dealership.
  • 2017-2018 Models with 107 Engine: Separate purchase of Screamin' Eagle® (SE) High Capacity Clutch Plate kit (Part No. REMOVE 37000258) is required.
  • 2017-2019 Models: Separate purchase of Oil Pump Assembly kit (Part No. 62400247 Oil Cooled or 62400248-Twin Cooled) is required.
  • Separate purchase of Screamin Eagle High Flow Air Cleaner kit.
  • Separate purchase of the Cam Drive Retention Kit (Part No. 25566-06) is required.
  • Separate purchase of Cam Spacer Kit (Part No. 25928-06) is required.
  • Kit requires Electronic Control Module (ECM) recalibration. Contact a Harley-Davidson dealership.
NOTE
Kit requires ECM recalibration. Contact a Harley-Davidson dealership. A service manual for your model motorcycle is required for this installation and is available from a Harley-Davidson dealer.
PREPARE
1. Remove fuel tank. See service manual.
2. Remove seat. See service manual.
3. Remove main fuse. See service manual.
REMOVE
NOTE
The following steps are provided as an outline process. Follow procedures in service manual.
1. Remove air cleaner assembly.
2. Remove exhaust system.
3. Remove induction module.
4. Disconnect harness connections from cylinder head.
5. Remove oil coolant lines and manifolds from engine.
6. Remove rocker covers, rocker arms, pushrods and pushrod tubes.
7. Remove cylinder heads, cylinder and pistons.
8. Remove lifter covers, anti-rotation devices and lifters.
9. Remove cam cover, cam plate and camshaft.
10. Remove inner cam bearing.
11. Remove clutch unless already equipped with a ten plate clutch. See service manual.
INSTALL
NOTE
The following steps are provided as an outline process. Follow procedures in service manual.
1. Install clutch using ten plate clutch. See instruction sheet J06246 and service manual.
NOTE
Ten-plate assist and slip clutch used in Milwaukee-Eight vehicles has sufficient capacity to support this kit for most applications. Only install higher capacity springs if clutch slippage occurs. Higher capacity springs will increase clutch lever effort.
2. Figure 3 Install camshaft needle bearing (5).
3. Install oil pump (7).
4. Install camshaft into engine.
5. Assemble cam plate and camshaft drive.
6. Verify that camshaft to crankshaft timing marks are properly aligned.
7. Install lifters (provided in kit), anti-rotation device, lifter cover gaskets (provided in kit) and lifter covers.
8. Install pistons and cylinders provided in kit. Follow instructions provided with piston and cylinder kit.
NOTE
This kit uses a special head torque sequence.
9. Install cylinder heads using new flange nuts included with kit. Follow instructions provided with cylinder head kit.
10. Install pushrod tubes and pushrods using O-rings provided with kit.
11. With piston at approximately Bottom Dead Center (BDC) on power stroke, install rocker arms.
12. Alternately tighten screws to pull rocker shaft down evenly.
13. Install rocker covers.
14. Verify that camshaft to crankshaft timing marks are properly aligned.
15. Install cam cover and new gasket provided in kit.
16. Prepare induction module included with kit for installation. See instructions included with induction module.
17. Install high flow fuel injectors.
18. Install induction module.
19. Install coolant/oil manifold to cylinder heads.
a. Thoroughly clean ALL threadlocking material from threads of screws and threaded holes. See service manual.
b. Clean all debris from mating surfaces.
c. Install O-rings provided in kit.
20. Air-Cooled Touring models: Install fan assisted oil cooler (included in kit).
21. Install exhaust system.
a. Touring models require use of exhaust header provided in kit.
22. Install air cleaner assembly.
a. See instruction sheet included with separately purchased SE high flow air cleaner kit.
23. Install new product information label (included in kit).
a. Locate Vehicle Identification Number (VIN) label on frame downtube.
b. Place information label on downtube of frame directly below VIN label.
COMPLETE
1. Install fuel tank. See service manual.
2. Install main fuse. See service manual.
3. Twin Cooled: Fill coolant system and purge air. See service manual.
4. Install seat. After installing seat, pull up on the seat to verify that it is secure. See service manual.
NOTICE
You must recalibrate the ECM when installing this kit. Failure to properly recalibrate the ECM can result in severe engine damage. (00399b)
5. Calibrate Electronic Control Module (ECM) with proper calibration for configuration. See Harley-Davidson dealer for details.
6. Run motorcycle until engine is at normal operating temperature. Repeat several times to verify proper operation.
7. See owner's manual for BREAK-IN RIDING RULES.
CALIFORNIA EO LABEL
This product information label is required in the state of California only. PRODUCT INFORMATION LABEL IS REQUIRED TO PASS THE CALIFORNIA SMOG CHECK PROGRAM.
1. Place information label on right down tube of frame directly below VIN label.
2. Do not install this product label over other product information labels.
3. This product information label must not be installed on other vehicles than specified.
Reference Table 5 below for EO number.
Table 5. California EO Label
Description
Stage IV Part Numbers
EO Label Part Number
California EO Label
92500107, 92500108, 92500109 92500110, 92500111, 92500112
14002727, 14003564