Adjusting The Engine Speed - Yamaha MX800V Service Manual

PERIODIC MAINTENANCE
1
2
a
1
b. Check the low engine speed.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲

ADJUSTING THE ENGINE SPEED

1.
Warm up the engine for several minutes.
2.
Attach:
• Digital tachometer "1"
Digital tachometer:
3.
Adjust:
• High engine speed
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Move the throttle lever "1" to the high engine speed
position "a".
b c
b. Turn the throttle stop screw "2" in direction "b" or "c"
until the high engine speed is obtained.
Direction "b"
High engine speed is increased.
Direction "c"
High engine speed is decreased.
High engine speed (with no load):
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
4.
Adjust:
• Low engine speed
2-15
YU-39951-B, 90890-06760
3550–3650 r/min
1
2
3
4
5
6
7
8
9
10