2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 106Get this manual
ENGINE DISASSEMBLYASSEMBLY Timing Chain Installation
8Wrap the chain around the camshaft sprocket
9While firmly holding the chain against the camshaft sprocket, remove the stuffer, and wrap the chain around the balance shaft sprocket and under the crankcase support memberNOTE: The hooked-end of the Timing Chain HookStuffer Tool will simplify pulling the chain around the sprocket