Edelbrock Nitrous System 63-71940, 71940 Installation Instructions Manual

©2007 Edelbrock Corporation
Brochure #63-71940

Catalog #71940

Rev. 2/07 - DC/mc

Page 1 of 4

EDELBROCK NITROUS SYSTEM

UNIVERSAL MOTORCYCLE NITROUS SYSTEM

CATALOG #71940

Table of Contents

1.0 - General Safety Precautions Page 1

2.0 - Important Notice Page 2

3.0 - Warranty Page 2

4.0 - Items Included in Kit Page 2

5.0 - Power Commander Tuning Tips Page 2

6.0 - Wiring Diagrams Page 3, 4

7.0 - Wiring MSD 8950 RPM Switch Page 4

8.0 - Optional Products Page 4

1.0 - GENERAL SAFETY PRECAUTIONS

This dry nitrous system is intended for Fuel Injected Motorcycles Only! It should only be installed by a competent technician

with nitrous experience. This is FOR RACE USE ONLY

and is not intended for public roads or highways.

All wiring and nitrous lines should be wrapped with the provided wire loom and positioned in a way to prevent engine heat from
doing any damage. The use of electrical tape at the end of the wire loom adds to the effect of “stock appearing”. We also suggest running
all the wiring and nitrous line alongside stock wiring. Be sure all wire terminals are water tight to prevent corrosion. The water proof
arming switch should also be located in a discreet location to prevent detection.

The nitrous bottle should be mounted away from any engine heat. Under the seat is a good location.

The nitrous nozzle should mount in a ram air tube or at the very front of the air box. This is to assure that the Airbox Sensors
are hit with the nitrous oxide. The nitrous will pass through the air filter.

Start with the smallest supplied jet. Try it on the dyno first, then try it on the race track. Use stock ignition timing only when
you are using the nitrous. Advancing the timing can cause engine damage. Using a minumum 90 octane gasoline is highly
recommended.

Do not use the nitrous to increase the horsepower by more than 40. Doing so can/will cause piston or spark plug failure resulting
in severe engine damage.

If your fuel injected motorcycle is equipped with a Power Commander, it is recommended that you increase the high rpm
faceplate by two bars. This is to insure enough fuel will get to the engine. Refer to your Power Commander manual for instructions.

Do not allow the engine to hit the rev limiter while using the nitrous. An RPM activated switch may be installed to turn off the
nitrous before the rev limiter has been reached. Refer to wiring diagrams for more information.

Do not attempt to use the nitrous in first gear. Tire spinning or an uncontrolled wheelie may result.

IMPORTANT - Always wear proper safety gear while racing your motorcycle. This includes a minumum Snell 95

helmet, leather jacket, leather gloves, boots that cover your ankles, and leather pants. Additional padding is
recommended.

©2007 Edelbrock Corporation
Brochure #63-71940

Catalog #71940

Rev. 2/07 - DC/mc

Page 2 of 4

2.0 - IMPORTANT NOTICE

It is the responsibility of the purchaser to follow all guidelines and safety procedures supplied with this product and any other
manufacturer’s product used with this product. It is also the responsibility of the purchaser to determine compatibility of this device with
the vehicle and other components.

Edelbrock Corporation assumes no responsibility for damages resulting from accident, improper installation, misuse, abuse,
improper operation, lack of reasonable care, or all previously stated reasons due to incompatibility with other manufacturer’s products.

Edelbrock Corporation assumes no responsibility or liability for damages incurred from the use of products manufactured or sold
by Edelbrock Corporation on vehicles used for competition racing. Edelbrock Corporation neither recommends nor approves the use of
products manufactured or sold by Edelbrock Corporation on vehicles which may be driven on public highways or roads, and assumes no
responsibility for damages incurred from such use.

It is the purchaser’s responsibility to check the state and local laws pertaining to the use of nitrous oxide for racing applications.
Edelbrock Corporation does not recommend nor condone the use of its products for illegal street racing.

Do NOT mount the bottle under the fuel tank. Heat from the engine will cause the bottle pressure to go too high
for the solenoids to open!

3.0 - WARRANTY

Edelbrock Corporation warrants to the original purchaser that the components shall be free from defects in parts and
workmanship under normal use for 90 days from the date of purchase.

Edelbrock Corporations obligation under this warranty is limited to the repair or replacement of any components found to be
defective when returned postpaid to Edelbrock Corporation. The item must be returned with evidence of place and date of purchase or
warranty will be void. The warranty will not apply to any component that has been used incorrectly, repaired, damaged, or tampered with
by misuse, negligence or accident.

4.0 - ITEMS INCLUDED WITH THIS KIT

5.0 - POWER COMMANDER TUNING TIPS

When using the Nitrous System, more fuel may be needed to be delivered to the engine using the Power Commander. To do
this, you can use the Power Commander Faceplate and richen the high RPM. Another way is to go into the Map Program and richen
100% throttle table to the desired amount. Refer to the Power Commander manual for further instructions. Use of a dyno is
recommended for proper tuning.

Qty Qty Qty Qty

1 1 lb. Bottle with -4 Fitting 1 .036” Jet

1 12” -4 Line with Blue Ends 12’ 1/4” Loom, Black, for Wires and to Hold Nitrous Line

1 Nitrous Solenoid 1 6 Pole Water Proof Switch

1 Fitting -4 Male to 1/8” Pipe 8’ Black Wire

1 Fitting -3 Male to 1/8” Pipe 8’ Red Wire

1 Dry Nitrous Nozzle 20 Small Zip Ties

1 Nozzle Tap, 1/16” Pipe Thread 10 Large Zip Ties

1 .028” Jet 1 60” -3 Stainless Line with -3 Hose Ends

1 .034” Jet 1 Pk Misc. Electrical Terminals