Schnitz Racing Dry Nitrous Jetting and Recommendation Chart
*For Fuel Injected 4 Cylinder Motorcycles (one injector per cylinder) with Single Nitrous Jet.
Nitrous Jet Horsepower gain 600cc 750cc 1000cc 1300+cc Fuel % increase
14 6hp Stock Stock Stock Stock 3%
16 9hp Stock Stock Stock Stock 3%
18 12hp Stock Stock Stock Stock 5%
20 15hp Stock Stock Stock Stock 5%
22 17hp Stock Stock Stock Stock 8%
24 20hp Stock Stock Stock Stock 8%
26 25hp Stock Stock Stock Stock 10%
28 30hp Stock Stock Stock Stock 10%
30 34hp Mod Mod Stock Stock 12%
32 38hp Mod Mod Mod Stock 12%
34 40hp Mod Mod Mod Stock 15%
36 45hp Mod Mod Mod Stock 15%
38 50hp Mod Mod Mod Stock 17%
40 55hp Mod Mod Mod Mod 20%
42 65hp Mod Mod Mod Mod 22%
Stock - 93 Pump Gas, Stock Engine, Stock Timing
Mod - Engine Modifications Required (Pistons, Rods, Valves, Valve Springs)
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
Note: If your motorcycle has 8 injectors (2 per cylinder), you will need to increase fuel by 3 times that of the chart. Example: 1000cc engine with 30 jet. Chart for 1 injector per cylinder show to add 12% more fuel. For an engine with 2 injectors per cylinder, 36% more fuel should be added. This is just a guide. Dyno tuning is the best way to ensure a safe fuel curve.
