Nitrous Jetting Recommendation Chart for Fuel Injected 4 Cylinder Motorcycles

Single Nitrous Jet

14 6hp
16 9hp
18 12hp
20 15hp
22 17hp
24 20hp
26 25hp
28 30hp
30 34hp
32 38hp
34 40hp
36 45hp
38 50hp
40 55hp
42 65hp
4 Jet Spyder Nitrous Spray System
12 23hp
13 27hp
14 30hp
15 34hp
16 40hp
17 44hp
18 50hp
19 54hp
20 60hp
21 68hp
22 75hp
23 81hp
24 90hp
26 105hp
28 120hp

Horsepower increases as measured at rear wheel.
Every 10 horsepower can reduce your 1/4 mile ET as much at .1 seconds or more.
This Chart is just a guideline.  There are may variables, such as nozzle type and distribution