Carb Help

[EricMichael]

Have my carbs sitting here, just wondering what the fuel screw setting should be at for slp pipes. Right now they are two turns out.

 

[Turk]

0-3000' elevation


Air Jet: 1.0 (stock)
Pilot: 45 (stock)
Jet Needle: 6HEY2-59 3.0 E-clip
Needle Jet: 499 P-8 (stock)
Slide: 1.5 (stock)
Fuel Screw: 1 7/8 turn (stock)
Carburetor Tuning
2002-03 Yamaha Viper with SLP triple pipes
3000’ to 5000’
-20 to -40 -20 to 0 0 to +20 +20 to +40 +40 to +60
0 to 3000’ 167.5 165 162.5 160 157.5
3 to 5000’ 160 157.5 155 152.5 150
5 to 7000’ 157.5 155 152.5 150 147.5
7 to 9000’ 155 152.5 150 147.5 145
9 to 11000’ 152.5 150 147.5 145 142.5
Important: Carb tuning specifications included in this section are a base line only and should be
adusted for your particular atmosphere.
Note: Jet needle position.
Refer to the following information for the jet needle shims installation.
10-28-02
If two shims are used under the circlip, the JN position is the actual circlip groove position. Example:
if the circlip is place in the 3rd groove with 2 shims under it, this position is the #3 position.
Starting Line Products 743 Iona Rd. Idaho Falls, ID 83401 • Phone (20529-0244 • Fax (20529-9000
web: www.startinglineproducts.com • e-mail: slp@slp.cc
Air Jet: 1.0
Pilot: 47.5
Jet Needle: 6HEY2-59
Needle Jet: Below 0°F 499 Q-0 3.5 E-clip
0°F and above 499 P-8 (stock) 4.0 E-clip
Slide: 1.5 (stock)
Fuel Screw: 1 3/4 turn

 

[EricMichael]

thanks turk, just making sure everything is safe