Yamaha MX775, Service Manual

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PE
RIODIC
CHE
CKS AND ADJUSTMENTS
PERIODIC MAINTENANCE
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a. Move the throttle lever “1” to the low engine speed
position “a”.
b. Turn the screw “3” in direction “c” or “d” until obtain
adequet low engine speed.
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LOW ENGINE SPEED (Replace the throttle body)
TIP
When replace throttle body, follow the procedure below.
Adjust low engine speed with throttle stop screw “1” in
direction “a” or “b”.
1.
Turn the throttle stop screw “1” (throttle body) in direc-
tion “a” or “b” until the low engine speed is obtained.
FITTINGS AND FASTENERS
1.
Check:
• All fittings and fasteners
Looseness

Tighten.
Rough movement

Replace the defective part(s).
Damage/pitting

Replace.
a
1
c d
b
3
2
2
Direction “c”
Low engine speed is decreased.
Direction “d”
Low engine speed is increased.
Low engine speed (with no load):
1450–1550 r/min
1
a b
Direction “a”
Low engine speed is decreased.
Direction “b”
Low engine speed is increased.
Low engine speed (with no load):
1450–1550 r/min