Balance Shaft Chain: Service and Repair

Balance Chain Replacement

Removal Procedure




1. Remove the balance shaft chain tensioner. Refer to Balance Chain Tensioner Replacement (Service and Repair).
2. Remove the balance shaft drive chain from the following:

1. The crankshaft sprocket
2. The left balance sprocket
3. The right balance sprocket

Installation Procedure





Important: Ensure the darkened links are facing outward.


1. Install the balance shaft drive chain to the following:

1. The left balance sprocket
2. The right balance sprocket
3. The crankshaft sprocket





Important: Do Not disassemble the balance shaft assemblies. Remove and install the balance shafts as complete assemblies.


2. Rotate the crankshaft until the left hand balance shaft sprocket timing mark (1) is at 12:00 position.

1. The right hand balance shaft sprocket timing mark (3) should be at 2:30 position.
2. The crankshaft dowel pin hole (2) is at 11:00, and the crankshaft sprocket mark (4) should be at 4:30 position.
3. Make sure the 3 timing marks on the sprockets line up with a dark link on the chain.
4. Every 11 crankshaft rotations, 3 of the 5 dark links on the chain will line up with the timing marks.

3. Install the balance shaft chain tensioner. Refer to Balance Chain Tensioner Replacement (Service and Repair).