Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playTransmission installation
Install the transmission in the reverse order of removal.
Pay attention to the following points:
Bearing and oil seal
Caution
replace the removed bearings and oil seals
with new ones.
Install the driveshaft left bearing oil seal into the
retainer using the special tool.
...
Spring pre-load adjustment
To change the spring pre-load,
turn the adjuster 1 clockwise or
counterclockwise. Turning the
adjuster clockwise will increase
the spring pre-load. Turning the
adjuster counterclockwise will
decrease the spring pre-load.
There are five grooved lines on
the side of the adjuster 1 for re ...
Specifications
Service data
Suspension
unit: mm (in)
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Rear suspension components” “rear suspension assembly
construction”
Reference: for the tightening torque of fastener ...