Yamaha RAPTOR 90 2022 User Manual

9-20
9
2. Attach the tachometer to the spark plug lead.
3. Check the engine idling speed and, if neces-
sary, adjust it to specification by turning the
throttle stop screw at the carburetor. To in-
crease the engine idling speed, turn the throt-
tle stop screw in direction (a), and to decrease
it, turn the screw in direction (b).
TIP
If the specified idling speed cannot be obtained as
described above, have a Yamaha dealer make the
adjustment.
EBU38470
Adjusting the throttle lever free play
1. Throttle stop screw
Engine idling speed:
1600–1800 r/min
(a)
(b)
1
1. Rubber cover
2. Throttle lever free play adjusting nut
3. Locknut
4. Throttle lever free play
Throttle lever free play:
1.5–4.0 mm (0.06–0.16 in)
1
3
2
4
(b)
(a)
UBD321E0.book Page 20 Wednesday, June 2, 2021 9:53 AM

Yamaha RAPTOR 90 2022 Specifications

General

Brand	Yamaha
Model	RAPTOR 90 2022
Category	Offroad Vehicle
Language	English