Prepare
1. Remove front belt guard. See Belt guards.
2. Disconnect negative battery cable. See Power disconnect.
3. Lift rear of fuel tank. See Lift rear of fuel tank.
4. Remove exhaust system. See Exhaust system.
5. Remove air cleaner assembly. See Air cleaner assembly.
6. Remove breather hoses. See Breather hoses.
7. Remove cylinder head covers. See Cylinder head covers.
8. Front cylinder: Remove clutch cover and crankshaft gear. See Crankshaft gear.
9. Rear cylinder: Remove alternator cover and alternator rotor. See Removing and installing alternator.
Camshaft sprocket, timing chain and cam timing
PART NUMBER | TOOL NAME |
HD-51442 | CAM HOLDER |
FASTENER | TORQUE VALUE | |
Chain guide shoulder bolt | 10-12 Nm | 7.4-8.9 lb·ft |
Tensioner mounting bolts and spring tensioning bolt | 10-12 Nm | 7.4-8.9 lb·ft |
Cam sprocket bolt | 40-44 Nm | 29.5-32.4 lb·ft |
Chain guide shoulder bolt | 10-12 Nm | 7.4-8.9 lb·ft |
Tensioner mounting bolts and spring tensioning bolt | 10-12 Nm | 7.4-8.9 lb·ft |
Cam sprocket bolt | 40-44 Nm | 29.5-32.4 lb·ft |
Chain guide shoulder bolt | 10-12 Nm | 7 4-8.9 lb·ft |
Tensioner mounting bolts and spring tensioning bolt | 10-12 Nm | 7.4-8.9 lb·ft |
Cam sprocket bolt | 40-44 Nm | 29.5-32.4 lb·ft |
Notice: Rotate engine toward front cylinder only. Do not rotate engine toward rear cylinder, as engine damage can result.
Notice: Never rotate engine with cam chain tensioner removed. Engine damage and loss of correct timing will occur.
Note: When rotating the engine use the crankshaft gear fastener. Always rotate the engine in the running direction of the engine.
One Cam Removed
1. Rotate crankshaft until the installed cam sprocket arrow is facing down.
2. Install the cam sprocket and timing chain on the opposite cylinder.
- a. Align single black chain link with cam sprocket TDC arrow.
- b. Place the timing chain in position.
- c. Align each black link on the chain with each mark on crankshaft sprocket.
- d. Align the sprocket with the camshaft keyway.
- e. Install the cam sprocket bolt finger-tight.
3. Install the tension side chain guide and tighten the shoulder bolt to 10-12 Nm (7.4-8.9 lb·ft).
4. Install and tighten the tensioner mounting bolts and the spring tensioning bolt to 10-12 Nm (7.4-8.9 lb·ft).
5. Lock the cam in place with the holding tool.
6. Tighten the cam sprocket bolt to 40-44 Nm (29.5-32.4 lb·ft).
7. Verify cylinder timing.
Both Cams Removed
Rear Cylinder:
1. Rotate the crankshaft to place the rear piston at TDC.
2. Install the cam sprocket and chain on the rear cylinder.
- a. Align single black chain link with cam sprocket TDC arrow.
- b. Place the chain into position.
- c. Align each black link on the chain with each mark on crankshaft sprocket.
- d. Align the sprocket with the camshaft keyway.
- e. Install the cam sprocket bolt finger-tight.
3. Install the tension side chain guide and tighten the shoulder bolt to 10-12 Nm (7.4-8.9 lb·ft).
4. Install and tighten the tensioner mounting bolts and the spring tensioning bolt to 10-12 Nm (7.4-8.Э lb·ft).
5. Lock the cam in place with the holding tool.
6. Tighten the cam sprocket bolt to 40-44 Nm (29.5-32.4 lb·ft).
7. Verify cylinder timing.
Front Cylinder:
1. From the clutch side, rotate the crankshaft 420 degree to place the front piston at TDC.
2. Install the cam sprocket and chain on the front cylinder.
- a. Align single black chain link with cam sprocket TDC arrow.
- b. Place the chain into position.
- c. Align each black link on the chain with each mark on crankshaft sprocket.
- d. Align the sprocket with the camshaft keyway.
- e. Install the cam sprocket bolt finger-tight.
3. Install the tension side chain guide and tighten the shoulder bolt to 10-12 Nm (7.4-8.9 lb·ft).
4. Install and tighten the tensioner mounting bolts and the spring tensioning bolt to 10-12 Nm (7.4-8.9 lb·ft).
5. Lock the cam in place with the holding tool.
6. Tighten the cam sprocket bolt to 40-44 Nm (29.5-32.4 lb·ft).
7. Verify cylinder timing.
Timing Chain Tensioner
1. See Figure 4-12. Remove timing chain tensioner assembly.
- a. Remove spring holder bolt (4).
- b. Discard gasket (3).
- c. Remove spring (5).
- d. Remove screws (2).
- e. Remove timing chain tensioner assembly (1).
- f. Discard gasket (6).
2. Remove tension side timing chain guide. See Chain guide.
Camshaft Sprocket and Timing Chain
1. See Figure 4-13. Remove camshaft sprocket and timing chain.
- a. Place CAM HOLDER (Part No. HD-51442) over cylinder head and camshaft.
- b. Remove camshaft bolt (1).
- c. Remove cam holder tool.
- d. Remove camshaft sprocket (2) and timing chain.
- e. Remove timing chain from crankshaft and remove chain through top of engine.
![](https://motoinstruction.ru/img/harley/22/127771.jpg)
Figure 4-12. Timing Chain Tensioner: 1. Chain tensioner assembly; 2. Screw (2); 3. Gasket; 4. Spring holder bolt; 5. Spring; 6. Gasket
![](https://motoinstruction.ru/img/harley/22/127772.jpg)
Figure 4-13. Camshaft Sprocket: 1. Camshaft bolt; 2. Camshaft sprocket
Install
PART NUMBER | TOOL NAME |
HD-51442 | CAM HOLDER |
FASTENER | TORQUE VALUE | |
Camshaft bolt | 40.0-44.0 Nm | 30-32 ft·lbs |
Timing chain tensioner screw | 10.0-12.0 Nm | 89-106 in·lbs |
Spring holder bolt | 10.0-12.0 Nm | 89-106 in·lbs |
Camshaft Sprocket and Timing Chain
1. Verify that piston is at TDC. See Rebuild engine.
2. See Figure 4-14. Install timing chain.
- a. Install timing chain through top of engine.
- b. Align two black links with marks on crankshaft.
- c. Set timing chain aside at top of engine.
3. See Figure 4-15. Install camshaft sprocket and timing chain.
- a. Align single black link (1) with arrow (2) on camshaft sprocket (3).
- b. Place cam chain over camshaft sprocket.
- c. Align camshaft sprocket with keyway (4).
- d. Install camshaft sprocket and timing chain.
- e. Place CAM HOLDER (Part No. HD-51442) over cylinder head and camshaft.
- f. See Figure 4-13. Install camshaft bolt (1). Tighten to 40.0-44.0 Nm (30-32 ft·lbs).
- g. Remove cam holder tool.
Timing Chain Tensioner
Note: Verify that timing chain tensioner assembly is disassembled before installation.
1. Install tension side timing chain guide. See Rebuild engine.
2. See Figure 4-16. Prepare timing chain tensioner assembly.
- a. Press ratchet mechanism (2) to release adjusting rod (1).
- b. Fully retract adjusting rod.
3. See Figure 4-12. Install timing chain tensioner assembly.
- a. Install new gasket (6).
- b. Install timing chain tensioner assembly (1).
- c. Install screws (2). Tighten to 10.0-12.0 Nm (89-106 in·lbs).
- d. Install spring (5).
- e. Install new gasket (3).
- f. Install spring holder bolt (4). Tighten to 10.0-12.0 Nm (89-106 in·lbs).
![](https://motoinstruction.ru/img/harley/22/127773.jpg)
Figure 4-14. Crankshaft Timing Marks
![](https://motoinstruction.ru/img/harley/22/127774.jpg)
Figure 4-15. Camshaft Sprocket and Timing Chain: 1. Single black link; 2. Arrow; 3. Camshaft sprocket; 4. Keyway
![](https://motoinstruction.ru/img/harley/22/127775.jpg)
Figure 4-16. Ratchet Mechanism
Clean andjnspect
Camshaft Sprocket and Timing Chain
1. Clean all parts thoroughly.
2. Inspect camshaft sprocket teeth for wear. Replace as necessary.
3. Inspect timing chain for wear. Replace as necessary.
Note: The timing chain tensioner assembly contains no serviceable parts. Replace as necessary.
1. Inspect timing chain tensioner assembly.
- a. Clean all parts.
- b. Verify ratchet assembly spring tension.
- c. Verify smooth movement of adjusting rod.
Complete
1. Front cylinder: Install alternator rotor and alternator cover. See Removing and installing alternator.
2. Rear cylinder: Install crankshaft gear and clutch cover. See Crankshaft gear.
3. Install cylinder head covers. See Cylinder head covers.
4. Install breather hoses. See Breather hoses.
5. Install air cleaner assembly. See Air cleaner assembly.
6. Install exhaust system. See Exhaust system.
7. Secure rear of fuel tank. See Lift rear of fuel tank.
8. Connect negative battery cable. See Power disconnect.
9. Install front belt guard. See Belt guards.