hsr-benelli S-series Service Manual page 44

Visually check the timing chain guides:
1) Fixed guide (FRONT PART)
2) Mobile guide (REAR PART)
3) Upper guide (FIXED ON HEAD)
If one or more elements are worn, change it/them.
NOTE
Always replace chain guides if timing chain is to be
replaced.
Chain Tensioner Inspection
Check the free sliding of the chain stretcher rod.
Check the state of the chain stretcher spring.
Check the integrity of the chain stretcher.
If an element or its components are damaged or ruined,
change it/them.
Camshafts installation
Using a special tool set the piston of cylinder #1 to TDC
position.
ver.2009_03 Page 44/215