7-4
ENGINE
ROAD CONDITION AND EXAMPLES OF CARBURETOR SETTING
A.
For USA and CDN
B.
Except for USA and CDN
SPECIFICATIONS OF JET NEEDLE
General condition
Sandy condition
Under 10°C
(50°F)
15–25°C
(59–77°F)
Over 30°C
(86°F)
Under 10°C
(50°F)
15–25°C
(59–77°F)
Over 30°C
(86°F)
(Winter)
(Spring, Au-
tumn)
(Summer)
(Winter)
(Spring, Au-
tumn)
(Summer)
Main jet
#440
#430
#420
#460
#450
#440
Jet needle
6BFY44-74-3
6BFY43-74-3
6BFY44-74-2
6BFY43-74-4
6BFY44-74-3
6BFY43-74-3
Pilot jet
A
#42.5
#40
#37.5
#45
#42.5
#40
B
#47.5
#45
#42.5
#47.5
#45
#42.5
Pilot air screw
2-1/4
2-1/4
2-1/4
2-1/4
2-1/4
2-1/4
Diameter of straight portion
ø2.72 mm
(0.1071 in)
ø2.73 mm
(0.1075 in)
ø2.74 mm
(0.1079 in)
ø2.75 mm
(0.1083 in)
ø2.76 mm
(0.1087 in)
Rich
1 richer
6BFY43-72-4
6BFY43-73-4
6BFY43-74-4
6BFY43-75-4
6BFY43-76-4
0.5 richer
6BFY44-72-3
6BFY44-73-3
6BFY44-74-3
6BFY44-75-3
6BFY44-76-3
6BFY42-72-4
6BFY42-73-4
6BFY42-74-4
6BFY42-75-4
6BFY42-76-4
STD
6BFY43-72-3
6BFY43-73-3
6BFY43-74-3
6BFY43-75-3
6BFY43-76-3
0.5 leaner
6BFY44-72-2
6BFY44-73-2
6BFY44-74-2
6BFY44-75-2
6BFY44-76-2
6BFY42-72-3
6BFY42-73-3
6BFY42-74-3
6BFY42-75-3
6BFY42-76-3
Lean
1 leaner
6BFY43-72-2
6BFY43-73-2
6BFY43-74-2
6BFY43-75-2
6BFY43-76-2
Summary of Contents for YZ125 2015
Page 4: ......
Page 12: ...1 2 LOCATION OF IMPORTANT LABELS EUROPE...
Page 13: ...1 3 LOCATION OF IMPORTANT LABELS AUS NZ ZA...
Page 61: ...3 18 CHASSIS...
Page 165: ......
Page 166: ...PRINTED IN JAPAN E PRINTED ON RECYCLED PAPER...