SCREAMIN EAGLE MILWAUKEE EIGHT 135CI CRATE ENGINE
941003842024-07-09
GENERAL INFORMATION
Table 1. General Information
Kits
Suggested Tools
Skill Level(1)
16200784, 16200785, 16200786, 16200787
Safety Glasses, Torque Wrench, Digital Technician II (DT II)
(1) DTII and dealer installation required
KIT CONTENTS
Figure 1. Screamin Eagle Milwaukee Eight 135 Crate Engine
Table 2. Screamin Eagle Milwaukee Eight 135 Crate Engine
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
1
Engine assembly complete
16200784, 16200785, 16200786, 16200787
2
2
Screamin Eagle High Flow Injector Kit, 6.8 GPS
27400067
3
1
Screamin Eagle 68mm Throttle Body
27300194
4
1
Screamin Eagle 68mm Intake Manifold (with fuel rail)
27300210
Figure 2. Screamin Eagle Milwaukee Eight 135 Crate Engine Cylinders
Table 3. Screamin Eagle Milwaukee Eight 135 Crate Engine Cylinders
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
2
Screamin Eagle cylinder kit, 4.310 in (black highlighted)
16800407
Includes front and rear cylinders, items 2-4
2
4
Dowel pin, ring
16589-99B
3
2
Gasket, cylinder base
16500332
4
2
Gasket, cylinder head
16500657A
Figure 3. Screamin Eagle Milwaukee Eight 135 Crate Engine Cylinder Heads and Valves
Table 4. Screamin Eagle Milwaukee Eight 135 Crate Engine Cylinder Heads and Valves
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
2
Automatic compression release
18400073B
2
8
Flange nut
10200303
3
16
Keeper, valve
Not sold separately
4
8
Collar, valve spring
Not sold separately
5
8
Valve spring
Not sold separately
6
8
Seal, valve
Not sold separately
7
1
Cylinder head assembly, rear
16500779
Oil cooled
16500815
Water cooled
1
Cylinder head assembly, front
16500778
Oil cooled
16500814
Water cooled
8
2
Exhaust valve, 33 mm
18000047
9
2
Intake valve, 41 mm
18000046
10
4
Screw, button head, TORX
68120-00
11
2
Medallion, 135
14101814
12
4
Stud, exhaust port
10900015A
A
Valve spring kit, Screamin' Eagle
18100080A
Includes items 3-6
Figure 4. Screamin Eagle Milwaukee Eight 135 Crate Engine Pistons
Table 5. Screamin Eagle Milwaukee Eight 135 Crate Engine Pistons
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, front and rear, with ring sets, piston pin and lock rings, standard
21900164A
2
2
Piston ring set, standard
22000126
3
4
Lock ring, piston pin
22097-99
4
2
Piston pin
22558-07
Figure 5. Screamin Eagle Milwaukee Eight 135 Crate Engine Camshaft and Camshaft Cover
Table 6. Screamin Eagle Milwaukee Eight 135 Crate Engine Camshaft and Camshaft Cover
Verify that all contents are present in the kit before installing or removing items from vehicle.
Item
Qty
Description
Part No.
Notes
1
1
Camshaft kit, SE8-517
25400353
2
1
Needle bearing kit, camshaft
9298A
Included in gasket kit, item 9
3
1
Oil pump assembly
62400279
Oil cooled, includes items 4-7
62400278
Water cooled, includes items 4-7
4
1
Spring, relief valve
26210-99
5
1
Relief valve, oil pump bypass
26400-82B
6
1
Roll pin
601
Included in gasket kit, item 9
7
1
Gerotor assembly
62400006
Oil cooled
62400274
Water cooled
8
4
Hydraulic lifter
18572-13
9
1
Gasket kit
25700731
10
1
Spacer, cam drive sprocket alignment
2.54 mm (0.100 in)
25729-06
Use as required
1
Spacer, cam drive sprocket alignment
2.79 mm (0.110 in) thick
25731-06
Use as required
1
Spacer, cam drive sprocket alignment
3.05 mm (0.120 in) thick
25734-06
Use as required
1
Spacer, cam drive sprocket alignment
3.3 mm (0.130 in) thick
25736-06
Use as required
1
Spacer, cam drive sprocket alignment
3.54 mm (0.139 in) thick
25737-06
Use as required
1
Spacer, cam drive sprocket alignment
3.81 mm (0.150 in) thick
25738-06
Use as required
11
1
Cam drive sprocket retention kit
25566-06
12
1
Washer
6294
13
1
Gasket, cam shaft cover
25700730
Included in gasket kit, item 9
14
1
Cover, timer
25600116
15
1
Cover, timer, insert, 135 Stage IV
25600162
16
1
Camshaft plate assembly
25400419
GENERAL
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:
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)
WARNING
To prevent spray of fuel, purge system of high-pressure fuel before supply line is disconnected. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00275a)
1. Position vehicle on a suitable lift. See service manual.
2. Remove main fuse. See service manual.
3. Remove seat. See service manual.
4. Purge fuel and disconnect fuel supply line. See service manual.
5. Remove fuel tank. See service manual.
6. Raise vehicle.
REMOVE
1. Remove engine from chassis. See service manual.
INSTALL
1. Before installing engine:
a. Make sure that there is no debris or contaminates in lubrication system.
b. Have the oil pan flushed out by a Harley-Davidson dealer or qualified technician.
c. If the engine that was removed had internal damage, replace oil pan.
2. Remove oil passage caps or plugs at engine to transmission interface.
3. Install engine into chassis. See service manual.
4. Install throttle body, intake manifold, and high flow injectors from this kit.
COMPLETE
1. Install fuel tank. See service manual.
2. Connect fuel supply line. See service manual.
3. Install seat. See service manual.
4. Install main fuse. See service manual.
5. Refer to BREAK-IN RIDING RULES in the vehicle owner's manual to break in the new engine.
MAINTENANCE
1. Refer to MAINTENANCE SCHEDULE in vehicle's service manual or owner's manual.
2. Refer to ENGINE section of service manual for proper service procedures.
135 ENGINE SPECIFICATIONS
NOTE
The following sections provide unique information not available in the Touring service manual ENGINE section for the Milwaukee-Eight engine.
Table 7. Screamin Eagle Milwaukee Eight 135 Crate Engine
Item
Specification
Compression Ratio
10.7:1
Bore
4.310 in
109.5 mm
Stroke
4.625 in
117.5 mm
Displacement
135.3 cu in
2217 cc
Lubrication system
Pressurized dry sump
with oil cooler
MANUFACTURING TOLERANCES
Refer to the engine specifications in the service manual for any specification not shown in the following tables.
Table 8. Valve Spring Specifications
ITEM
PRESSURE
DIMENSION
Height 1
100 lbs (45 kg)
1.470 in. (37.4 mm)
Height 2
262 lbs (119 kg)
0.97 in. (24.6 mm)
Free length
n/a
1.779 in. (45.2 mm)
Table 9. Pistons
Piston:
Clearance (in.)
Piston-to-cylinder fit (Loose)
0.0045
Piston pin fit (Loose)
0.0606-0.0010
Top Ring End Gap
Second Ring End Gap
Oil Control Ring Rail Gap
0.015-0.025
0.015-0.025
0.015±0.009
Top Ring Side Clearance
Second Ring Side Clearance
Oil Control Ring Side Clearance
0.0017-0.0027
0.0009-0.0029
0.0004-0.0059
Table 10. Cam Specifications-SE8-517
Intake
Specification
Opens
F-7° B; R-7° B
Closes
F-40° A; R-40°A
Duration
F-227°
Maximum Valve Lift
I -515 in.
Valve Lift @ TDC
F-.112 in.; R-.112 in.
Exhaust
Specification
Opens
F-62° BBDC: R-61°BBDC
Closes
F-7° A; R-1° A
Duration
F-249°; R-242°
Maximum Valve Lift
0.513 in.
Valve Lift @ TDC
F-0.066 in.; R-0.052 in.
Cam Timing @ 0.050 in. Tappet Lift in Crankshaft Degrees
SERVICE WEAR LIMITS
NOTE
Refer to engine specifications in service manual for any specification not shown in following tables.
Use wear limits as guide to part replacement.
Table 11. Pistons
Piston-to-cylinder fit (Loose)
Wear Limit (in.)
Fit in cylinder (Loose)
0.0045
Piston Pin Fit (Loose)
0.0010
Top Ring End Gap
Second Ring End Gap
Oil Control Ring Rail Gap
0.030
0.034
0.038
Top Ring Side Clearance
Second Ring Side Clearance
Oil Control Ring Side Clearance
0.0035
0.0035
0.0067