High Altitude Settings - Yamaha SXV70SJ Supplementary Service Manual

HIGH ALTITUDE SETTINGS

SXV70SJ/VT70J
Tempera-
– 40_C
ture
(– 40_F)
Altitude
MJ #160
0 X 100 m
PJ #45
JN 3.5
(0 X 300 ft)
PS 1-7/8
MJ #158.8
100 X 500 m
PJ #45
JN 3.5
(300 X 1,700 ft)
PS 1-7/8
MJ #156.3
500 X 1,000 m
PJ #45
JN 3.5
(1,700 X 3,300 ft)
PS 2-3/8
MJ #153.8
1,000 X 1,500 m
PJ #47.5
JN 3.0
(3,300 X 5,000 ft)
PS 2-5/8
MJ #151.3
1,500 X 2,000 m
PJ #50
JN 2.5
(5,000 X 6,700 ft)
PS 2-7/8
MJ #148.8
2,000 X 2,500 m
PJ #52.5
JN 2.5
(6,700 X 8,300 ft)
PS 3-1/8
MJ #146.3
2,500 X 3,000 m
PJ #55
JN 2.5
(8,300 X 10,000 ft)
PS 3/3/8
[Production spec] MJ#1, 2, 3:#156.3 PJ:#45 JN:6HEY2-59-3 PAJ:1.0 PS:1-7/8
#:Main jet number JN:Jet needle clip position PS:Pilot screw turns out PJ:Pilot jet number
NOTE:
S Jet needle (JN) position.
Refer to the following information for the Jet needle shims installation.
JN: 2 (STD)
S Oxygenated fuels
Use one size larger Main Jet than specified.
HIGH ALTITUDE SETTINGS
– 29_C – 18_C
(– 20_F) (0_F)
MJ #158.8 MJ #157.5
PJ #45 PJ #45
JN 3.5 JN 3.5
PS 1-7/8 PS 1-7/8
MJ #157.5 MJ #156.3
PJ #45 PJ #45
JN 3.5 JN 3.0
PS 1-7/8 PS 1-7/8
MJ #155 MJ #153.8
PJ #45 PJ #45
JN 3.5 JN 3.0
PS 2-1/8 PS 2-1/8
MJ #152.5 MJ #151.3
PJ #47.5 PJ #47.5
JN 3.0 JN 3.0
PS 2-3/8 PS 2-3/8
MJ #150 MJ #148.8
PJ #50 PJ #50
JN 2.5 JN 2.5
PS 2-5/8 PS 2-5/8
MJ #147.5 MJ #146.3
PJ #52.5 PJ #52.5
JN 2.5 JN 2.5
PS 2-7/8 PS 2-7/8
MJ #145 MJ #143.8
PJ #55 PJ #55
JN 2.5 JN 2.5
PS 3-1/8 PS 3-1/8
JN: 1.5
JN: 1
–78–
– 7_C 4_C
(20_F) (40_F)
MJ #156.3 MJ #155
PJ #45 PJ #45
JN 3.5 JN 3.0
PS 1-7/8 PS 1-7/8
MJ #155 MJ #153.8
PJ #45 PJ #45
JN 3.0 JN 2.5
PS 1-7/8 PS 1-7/8
MJ #152.5 MJ #151.3
PJ #45 PJ #45
JN 3.0 JN 2.5
PS 2-1/8 PS 2-1/8
MJ #150 MJ #148.8
PJ #47.5 PJ #47.5
JN 3.0 JN 2.5
PS 2-3/8 PS 2-3/8
MJ #147.5 MJ #146.3
PJ #50 PJ #50
JN 2.5 JN 2.5
PS 2-5/8 PS 2-5/8
MJ #143.8 MJ #141.3
PJ #52.5 PJ #52.5
JN 2.5 JN 2.5
PS 2-7/8 PS 2-7/8
MJ #141.3 MJ #140
PJ #55 PJ #55
JN 2.5 JN 2.5
PS 3-1/8 PS 3-1/8
JN: 0.5
SPEC
16_C
(60_F)
MJ #153.8
PJ #45
JN 2.5
PS 1-7/8
MJ #152.5
PJ #45
JN 2.5
PS 1-7/8
MJ #150
PJ #45
JN 2.5
PS 1-7/8
MJ #147.5
PJ #47.5
JN 2.5
PS 2-1/8
MJ #145
PJ #50
JN 2.5
PS 2-3/8
MJ #140
PJ #52.5
JN 2.5
PS 2-5/8
MJ #138.8
PJ #55
JN 2.5
PS 2-7/8
Clip
0.4 mm shim