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m
Main
Pilot
0
o
C
-30
o
F
-22
20
-20
-4
20
-10
14
20
0
32
20
10
50
20
20
68
20
30
86
20
NOTICE :
1.
In place of changing the pilot jet, the correction can be made through the airscrew adjustement.
2.
Airscrew range of adjustement varies from 1 to 3 turns outwards. 1 to 2 turns outwards is optimal.
3.
These jetting are only a suggested guide. Spark plug electrode color and piston wash are always your best reference.
4.
In all cases, the needle clip must remain at position #3.
5.
The stock airscrew setting with a 20 pilot jet is 1.6 turns out from full tight.
*** AD Boivin is not responsible for any damage after utilisation of this chart. Many facteurs can influence the calibration of a vehicle like atmospheric pressure and humidity.
High altitude adjustment recommendations
Ft
0
1000
2000
305
610
914
500
500
490
20
20
20
490
490
480
20
20
20
480
480
470
20
20
17,5
470
470
460
20
17,5
17,5
460
460
450
20
17,5
17,5
450
450
440
20
17,5
17,5
440
440
430
17,5
17,5
17,5
SNOW HAWK 800HO 2007
(For information only)
3000
4000
5000
1219
1524
1829
480
470
460
20
17,5
17,5
470
460
450
17,5
17,5
17,5
460
450
440
17,5
17,5
17,5
450
440
430
17,5
17,5
17,5
440
430
420
17,5
17,5
17,5
430
420
410
17,5
17,5
17,5
420
410
400
17,5
17,5
15
6000
7000
8000
2134
2438
2743
450
440
430
17,5
17,5
17,5
440
430
420
17,5
17,5
17,5
430
420
410
17,5
17,5
17,5
420
410
400
17,5
17,5
15
410
400
390
17,5
15
15
400
390
380
15
15
15
390
380
370
15
15
15
9000
10000
3048
420
410
17,5
410
400
17,5
400
390
15
390
380
15
380
370
15
370
360
15
360
350
15
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