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. Remove clutch cover. See Clutch cover.
9. Remove crankshaft gear. See Crankshaft gear.
10. Remove alternator. See Removing and installing alternator.
11. Remove cam sprocket and timing chain. See Camshaft sprocket and timing chain.
12. Remove rocker arms. See Rocker arms.
Remove
1. See Figure 4-20. Remove camshaft (1).
Figure 4-20. Camshaft: 1. Camshaft; 2. Camshaft lobe; 3. Camshaft journal; 4. Camshaft marking
Install
Note: Front and rear camshafts are marked F (front) and R (rear). Install to correct head.
1. See Figure 4-20. Install camshaft.
- a. Rotate cam so lobes (2) are facing down.
- b. Lubricate camshaft lobes and journal (3) with new engine oil before installing camshaft.
- c. Install camshaft (1).
Clean and inspect
1. Clean all parts thoroughly.
2. Inspect camshaft lobes for wear. Replace as necessary.
Complete
1. Install rocker arms. See Rocker arms.
2. Install cam sprocket and timing chain. See Camshaft sprocket and timing chain.
3. Install alternator. See Removing and installing alternator.
4. Install crankshaft gear. See Crankshaft gear.
5. Install clutch cover. See Clutch cover.
6. Install cylinder head covers. See Cylinder head covers.
7. Install breather hoses. See Breather hoses.
8. Install air cleaner assembly. See Air cleaner assembly.
9. Install exhaust system. See Exhaust system.
10. Secure rear of fuel tank. See Lift rear of fuel tank.
11. Connect negative battery cable. See Power disconnect.
12. Install front belt guard. See Belt guards.