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 playService data
Valve + guide
unit: mm (in
Camshaft + cylinder head
unit: mm (in
Cylinder + piston + piston ring
unit: mm (in)
Conrod + crankshaft
unit: mm (in)
Balancer
unit: mm (in)
Throttle body
...
Gearshift lever construction
Gearshift lever bracket
Gearshift lever shaft
Washer
Snap ring
Gearshift lever
Footrest top surface
65 – 75 Mm (2.6 – 3.0 In)
28 N·m (2.8 Kgf-m,
20.0 Lbf-ft)
40 N·m
(4.0 Kgf-m, 29.0 Lbf-ft)
Apply grease.
Grease.
...
Dtc “c32” (p0201), “c33” (p0202), “c34” (p0203) or “c35” (p0204): primary
fuel injector circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
Ckp signal is produced but fuel injector signal is
interrupted by 4 times or more continuity
Injector circuit open or short.
Injector malfunction.
Ecm malfunction.
...