6-27
Throttle body and throttle link adjustment
Throttle body and throttle link
adjustment
Adjusting the throttle link
1. Turn throttle lever 2 “1” until it contacts
the stopper “a” of the cylinder block.
2. Adjust the specified clearance “b” so that
the mark “c” on the throttle cam “2” and
the roller “3” are aligned.
3. Adjust the throttle link rod length so that
its end “a” fits onto the protrusion “b” on
throttle lever 1, and then install the throt-
tle link rod to the throttle lever.
4. Tighten the locknut “1”.
Adjusting the throttle valve reference
opening angle
If there is dirt in the passages in the throttle
body, it may affect the intake air pressure and
correct adjustments of the throttle valve refer-
ence opening angle cannot be obtained.
Clean the passages in the throttle body
before adjusting the throttle valve reference
opening angle.
1. Connect the YDIS to display “TPS volt-
age”.
2. Loosen the synchronizing screw “1” until
it is no longer pushing the plate “2”, and
the plate “2” stops.
3. Loosen the throttle stop screw “1” until it
is no longer pushing the stopper “2”.
Roller clearance “b”: 0.50 mm (0.02 in)
a
1
a
b
c
3
2
b
a
1
1
1
2
1
1
2
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