SCREAMIN EAGLE MILWAUKEE EIGHT 131/135 STAGE IV KIT

941003602024-11-11

GENERAL INFORMATION

Table 1. General Information

Kits	Suggested Tools	Skill Level⁽¹⁾
92500099, 92500100	Safety Glasses, Torque Wrench, Digital Technician II (DT II), H-D Special Tools

(1) DTII and dealer installation required

KIT CONTENTS

Figure 1. Kit Contents: 131/135 Cylinder Head and Cylinder

Table 2. Kit Contents: 131/135 Cylinder Head and Cylinder

Verify that all contents are present in the kit before installing or removing items from vehicle.
Item	Qty	Description	Part No.	Notes
1	8	Flange nut	10200303
2	2	Exhaust gasket	65324-83B
3	1	Cylinder head kit, black granite	16501059	92500099 Kit Only
3	1	Cylinder head kit, black	16501060	92500100 Kit Only
4	1	Cylinder kit, black granite	16800404	92500099 Kit Only
4	1	Cylinder kit, black	16800407	92500100 Kit Only
5	1	Hose	26900305A
6	4	Clamp, hose	10800023
7	1	Fitting	62800067	includes o-ring 11900197

Figure 2. Kit Contents: 131/135 Pistons

Table 3. Kit Contents: 131/135 Cylinder Head and Cylinder

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, 135	21900164A	92500099 Kit Only
1	1	Piston kit, 131	21900169	92500100 Kit Only
2	2	Piston ring set	22000126
3	4	Cir-clip	22097-99
4	2	Piston pin	22558-07

Figure 3. Kit Contents: 131/135 Valve Train

Table 4. Kit Contents: 131/135 Valve Train

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	18572-13
6	2	Gasket, lower rocker cover	25700425A
7	2	Gasket, upper rocker cover	25700372B

Figure 4. Kit Contents: 131/135 Camshaft Chest Components

Table 5. Kit Contents: 131/135 Camshaft Chest 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	Medallion, 135, Stage IV	14102079	92500099 Kit Only
	1	1	Medallion, 131, Stage IV	14102078	92500100 Kit Only
	2	1	Gasket, camshaft cover	25700370A
	3	1	O-ring	11900103
	4	1	Camshaft, SE8-550	25400432
	5	1	Oil pump kit	62400264	92500099 Kit Only
	6	1	O-ring	11293	Oil pump spigot
Items Included In Kit But Not Shown
		1	Screamin Eagle 68mm Throttle Body	27300194
		1	Screamin Eagle 68mm Intake Manifold	27300218
		1	Screamin Eagle High-Flow Injector kit	27400067
		1	Exhaust header	65600177
Items purchased separately Non-VVT Camshaft Drive Components
	A	1	Rotor Cup	18400177
	B	1	Sprocket, camshaft drive	25400103
	C	1	Camshaft drive retention	25566-06

Figure 5. Kit Contents: VVT Camshaft Drive Components

Table 6. Kit Contents: VVT Camshaft Drive Components

	Verify that all contents are present in the kit before installing or removing items from vehicle.
	Item	Qty	Description	Part No.	Notes
Items purchased separately
	D	1	Camshaft phaser
	E	1	Center bolt, camshaft phaser
	F	1	Camshaft drive retention

GENERAL

Instruction sheet is also available electronically. To verify you are using the most current version available, do one of the following:

Go to h-d.com/isheets
Scan QR code in upper left corner of the instruction sheet

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:

A Harley-Davidson dealer.
H-D Service Information Portal, a subscription-based access available for most 2001 and newer models. For more information see Frequently ask questions about subscriptions.

These items are available at your local Harley-Davidson dealership.

Kit requires Electronic Control Module (ECM) recalibration. Contact a Harley-Davidson dealership.
2023-later CVO Street Glide (FLHXSE), CVO Road Glide (FLTRXSE): Require separate purchase of Part Numbers 18400117, 25400103 and 25566-06.
2024-later CVO Road Glide ST (FLTRXSTSE): Require separate purchase of Part Numbers 18400117, 25400103 and 25566-06.

PREPARE

1.	Set motorcycle upright. See service manual.
2.	Disarm security system. See service manual.
3.	Remove seat. See service manual.
4.	Remove main fuse. See service manual.
5.	Remove fuel tank. See service manual.
6.	Liquid-Cooled Cylinder Heads with Center Position Radiator: Drain coolant system.

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.	Disconnect coolant hoses from cylinder heads.
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 camshaft cover, camshaft plate and camshaft.

Models with VVT

NOTE

Models with VVT require separate purchase of Part Numbers 18400117, 25400103 and 25566-06

1.	Remove camshaft cover. Outer cover, solenoid sensor can remain on cover.
2.	Rotate engine to align crank and camshaft timing dots.
3.	Remove camshaft chain tensioner.
4.	Remove crank sprocket nut using crankshaft/camshaft sprocket locking tool between crankshaft and phaser sprockets. Special Tool: CRANKSHAFT/CAMSHAFT SPROCKET LOCKING TOOL (HD-47941) a. Remove tool.
5.	Remove phaser center bolt using camshaft torque reaction tool to hold phaser rotor. Special Tool: CAM TORQUE REACTION TOOL (HD-53289) a. Use thin walled 22 mm socket to loosen bolt while holding tool on the 36 mm hex. NOTE DO NOT use sprocket locking or impact tool as this will damage the phaser.
6.	Remove phaser, chain and crank sprocket.
7.	Remove camshaft plate.
8.	Remove camshaft.

INSTALL

NOTE

The following steps are provided as an outline process. Follow procedures in service manual.

1.	Install oil pump.
2.	Install new camshaft into engine.
3.	Assemble camshaft plate and camshaft drive.
4.	Verify camshaft to crankshaft timing marks are properly aligned.
5.	Install new lifters, anti-rotation device, new lifter cover gaskets and lifter covers.
6.	Install new pistons and new cylinders provided in kit. Follow instructions provided with piston and cylinder kit. NOTE This kit uses a special head torque sequence.
7.	Install new cylinder heads using new flange nuts included with kit. Follow instructions provided with cylinder head kit.
8.	Install pushrod tubes and pushrod new O-rings.
9.	With piston at approximately Bottom Dead Center (BDC) on power stroke, install rocker arms.
10.	Alternately tighten screws to pull rocker shaft down evenly.
11.	Install rocker covers.
12.	Verify that camshaft to crankshaft timing marks are properly aligned. NOTE Make sure to reuse and install camshaft sensor in the cover.
13.	Install camshaft cover and new gasket provided in kit.
14.	Connect camshaft sensor wire harness. a. For VVT models: Camshaft solenoid to remain intact and connected.
15.	Prepare new induction module for installation. See instructions included with induction module.
16.	Install new high flow fuel injectors.
17.	Install new induction module.
18.	Connect coolant hoses to cylinder heads. NOTE Touring models require use of new exhaust header provided in kit or Screamin' Eagle High-Flow Exhaust System with Street Cannon Mufflers.
19.	Install exhaust system.
20.	Install air cleaner assembly. See instruction sheet included with separately purchased SE high flow air cleaner kit.

COMPLETE

1.	Install fuel tank. See service manual.
2.	Install main fuse. See service manual.
3.	Liquid-Cooled Cylinder Heads with Center Position Radiator: 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.
5.	Calibrate ECM with proper calibration for configuration. See 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.