SCREAMIN' EAGLE MILWAUKEE-EIGHT™ STAGE 3 KIT

J063142025-01-24

GENERAL INFORMATION

Table 1. General Information

Kits	Suggested Tools	Skill Level⁽¹⁾
92500056, 92500057, 92500070, 92500071, 92500072	Safety Glasses, Torque Wrench

(1) Tightening to torque value or other moderate tools and techniques required

KIT CONTENTS

Figure 1. Kit Contents: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit

Table 2. Kit Contents: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit

	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, 114 in³	21900084
	1	1	Piston kit, 117 in³	21900087
	2	1	Cylinder Kit (HOG black)	16800120
			Cylinder Kit (Black granite)	16800125
			Cylinder Kit (HOG black non-highlight)	16800174
	3	4	O-ring, coolant manifold	11900090
	4	8	Flange nut	10200303
	5	1	Performance valve spring kit	18100080
	6	2	Exhaust gasket	65324-83B
Notes: For Piston kit (1) components, see instruction sheet J07056 For Cylinder kit (3) components see instruction sheet J06626 For Cylinder head kit (5) components see instruction sheet J06305

Figure 2. Kit Contents: Valve Train: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit

Table 3. Kit Contents: Valve Train: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit Components

Item	Qty	Description	Part No.
1	4	O-ring	11293
2	4	O-ring	11132A
3	4	O-ring	11145A
4	2	Gasket, lifter cover	25700362
5	1	Lifter kit, high capacity	18572-13
6	2	Gasket, lower rocker cover	25700425
7	2	O-ring, breather	11900116
8	2	Gasket, upper rocker cover	25700372

KIT CONTENT

Figure 3. Kit Contents: Cam Compartment: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit

Table 4. Kit Contents: Cam Compartment: Screamin' Eagle Milwaukee-Eight™ Stage 3 Kit

Item	Qty	Description	Part No.	Notes
1	1	Gasket, cam cover	25700370
2	1	Camshaft drive sprocket retention kit	91800088	Purchased separately
3	1	Camshaft, SE8-498	25400202
4	1	Bearing, needle	9298B
5	1	Oil pump assembly	62400247 or 62400248	Purchased separately, if needed
6	1	Partial Emissions Tune-Up Label (Not Shown)	Not sold separately

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.

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)

These items are available at a Harley-Davidson dealership.

All models: Separate purchase of Screamin' Eagle Pro Street Tuner (Part No. 41000008C) for proper operation.
2017-2019: Separate purchase of Oil Pump Assembly kit (Part No. 62400247-Oil Cooled) or (Part No. 62400248-Twin Cooled) is required.
2017-2018 models equipped with 107 base engine: Requires separate purchase of SE High Capacity Clutch kit (37000258).
Separate purchase of Screamin' Eagle High Flow Air Cleaner kit.
Separate purchase of the Camshaft Drive Retention Kit (Part No. 91800088) is required.
Separate purchase of Cam Spacer Kit (Part No. 25928-06) is required.

NOTE

This kit is intended for high-performance applications only. This engine related performance kit is legal for sale or use in California on pollution controlled motor vehicles when installed on models specified. Check with your local Harley-Davidson dealer for compliance requirements in your area.

A partial emissions tune-up label is included with this kit as a requirement of the California Air Resource Board (CARB)/EPA emissions regulation.

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.

PREPARE

WARNING

When servicing the fuel system, do not smoke or allow open flame or sparks in the vicinity. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00330a)

NOTE

See procedures in service manual.

1.	Set motorcycle upright.
2.	Disarm security system.
3.	Remove seat.
4.	Remove main fuse.
5.	Remove fuel tank.
6.	Twin-Cooled: 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.	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 oil pump.
11.	Remove inner cam bearing.
12.	Remove existing clutch spring.

INSTALL

NOTE

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

Install Screamin' Eagle High Capacity Clutch kit (37000258) if updating to ten plate clutch. See service manual.

1.	See Figure 3. Install camshaft needle bearing (4).
2.	Install the oil pump (5). See installation requirements.
3.	Install camshaft (3).
4.	Verify camshaft to crankshaft timing marks are properly aligned.
5.	See Figure 2. Install lifters (5), anti-rotation device, lifter cover gaskets (4) and lifter covers.
6.	See Figure 1. Install pistons (1) and cylinders (2). Follow instructions provided with piston and cylinder kit.
7.	See Figure 1. Install High Performance Valve Spring kit (5). Follow instructions provided with valve springs. NOTE This kit uses a special head torque sequence.
8.	Install cylinder heads using new flange nuts (4). a. Apply engine oil to new cylinder flange nuts only. b. Verify that only bottom of flange nuts receives lubrication. Do not allow lubrication on cylinder stud or internal threads of flange nuts.
9.	Torque flange nuts (4). a. Torque. Torque: 27.1–40.6 N·m (20–30 ft-lbs) b. Loosen one turn. Angle: -360° c. Torque. Torque: 12.2–14.9 N·m (9–11 ft-lbs) d. Torque. Torque: 24.2–27.1 N·m (18–20 ft-lbs) e. Final torque, tighten additional 90°.
10.	Install pushrod tubes and pushrods.
11.	With piston at approximately Bottom Dead Center (BDC) on power stroke, install rocker arms. Alternately tighten screws to pull rocker shaft down evenly.
12.	Install rocker covers onto engine.
13.	Install cam cover. a. Verify camshaft to crankshaft timing marks are properly aligned.
14.	Install induction module.
15.	Connect wire harness connections to engine and induction module.
16.	Install manifolds and coolant lines to cylinder heads.
17.	Install exhaust system.
18.	Install air cleaner assembly.
19.	Install new emissions label. a. Locate emissions label on frame tube below the handlebars. b. Place new partial label from kit over top portion of emissions label on frame tube.

COMPLETE

NOTE

See procedures in service manual.

1.	Install fuel tank.
2.	Install main fuse.
3.	Twin-Cooled: Fill coolant system and purge air per service manual instructions.
4.	Install seat. After installing seat, pull up on the seat to verify that it is secure.
5.	Recalibrate ECM with proper configuration.