Balance Shaft - Benelli TNT 25 Maintenance Manual

Balance Shaft

Preparation Information
Function of Balance Shaft:
The balance shaft is used to balance the unbalanced force of engine, improve the stability of engine and improve the shock
comfort of engine.
Disassembling Balance Shaft
●Loosen the mounting bolt, remove the right crankcase, remove the crankshaft from the left crankcase and take the balance
shaft
Assembling Balance Shaft:
●The assembly of balance shaft shall be carried out in the order
contrary to the disassembly order.
●Align the gear marks during assembly.
Checking Balance Shaft:
●Check whether there are wear and pitting phenomena on the balance shaft gear tooth surface.
●Check whether there are obvious wear and serious burn phenomena on the balance shaft journal.
●Check the run-out of balance shaft end. The method is the same as the crankshaft detection
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