Inspect the cam chain guide in the following procedures:

Cam chain guide / cam chain tensioner
removal and installation
Cam chain tensioner inspectionSpecifications
Service data
Brake
unit: mm (in)
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Front brake components”
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torq ...
Water pump removal and installation
Removal
Note
before draining engine oil and engine coolant, inspect engine oil and
coolant leakage between the water pump and crankcase. If engine oil is
leaking, visually inspect the oil seal and o-ring. If engine coolant is
leaking, visually inspect the mechanical seal and s ...
Open circuit check
Possible causes for the open circuit are as follows. As
the cause can exist in the connector/coupler or terminal,
they need to be checked carefully.
Loose connection of connector/coupler.
Poor contact of terminal (due to dirt, corrosion or rust,
poor contact tension, entry of f ...