Usage:
preparatory step:
a) remove flywheel housing
1. Rotate the crankshaft counterclockwise (as viewed from rear of engine) to top dead center compression stroke No. 1 piston.
2. Using a 3/8"-16NC forged eyebolt, remove the camshaft drive shaft (1).
| NOTICE |
|---|
Do not attempt to rotate the crankshaft with camshaft drive shaft or any of the timing gears removed and the camshafts installed. Piston and valve interference may occur with possible damage to the engine. |
3. Remove the camshaft drive gear retaining bolts, lock, and thrust washer.
4. Remove the camshaft drive idler gear retaining nuts, lock, and thrust washer. Using tool setup (A), remove the bearing from the camshaft drive idler gear.
5. Remove the camshaft and accessory drive idler gear retaining bolts, lock, and thrust washer. Using tool setup (B), remove the bearing from the camshaft and accessory drive idler gear.
6. Remove the cluster gear retaining bolts, lock, and thrust washer. Using tool setup (C), remove the bearing from cluster gear.
Install Timing Gears
1. Using tool setup (C), install the bearing in cluster gear. Lubricate the bearing with clean SAE 30 engine oil. Position the cluster gear on engine with timing mark on gear aligned with timing mark on crankshaft. Install thrust washer, lock, and retaining bolts.
2. Using tool setup (B), install the bearing in camshaft and accessory drive idler gear. Lubricate the bearing with clean SAE 30 engine oil. Position the camshaft and accessory drive idler gear on engine with timing mark on gear aligned with timing mark on cluster gear. Install the thrust washer, lock, and retaining bolts.
3. Using tool setup (A), install the bearing in camshaft drive idler gear. Lubricate the bearing with clean SAE 30 engine oil. Position the camshaft drive idler gear on engine with timing mark on gear aligned with timing mark on camshaft and accessory drive idler gear. Install the thrust washer, lock, and retaining nuts.
4. Lubricate the camshaft drive gear bearing with clean SAE 30 engine oil. Position the camshaft drive gear on engine with timing mark on gear aligned with timing mark on camshaft drive idler gear. Install the thrust washer, lock, and retaining bolts.
5. Install the camshaft drive shaft with the blind spline on top.
concluding steps:
a) install flywheel housing
b) install flywheel
c) time magneto (See TIMING MAGNETO TO ENGINE in TESTING AND ADJUSTING)