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Losi/Horizon Support

If you have any questions concerning setup or operation 

of your Speed-NT RC vehicle please call Horizon Customer 

Support at 1-877-504-0233.
Hours: 

Monday thru Friday from 8:00am CST to 5:00pm CST
You are welcome to call us with any support issue, or question 

you may have about the Speed-NT.

Getting Ready

Thoroughly read all the enclosed material, precautions and 

follow instructions to avoid damaging your new RC vehicle. If 

you choose to not follow these steps or instructions, it will be 

considered negligence.
If after review of this manual and prior to running your Speed-

NT, you determine this RC vehicle is not what you want—DO 

NOT proceed and DO NOT run the Speed-NT. If the Speed-NT 

has been run, your local hobby shop will not be able to process 

a return or accept it for exchange.

Caution:

Age Recommendation: 14 years or over. This is not a toy. This 

product is not intended for use by children without direct adult 

supervision.
This vehicle is capable of extreme speed and careful attention 

and care must be used when operating the Speed-NT. 
When driving the Speed-NT it is important that you take 

measures to avoid someone being hit by the vehicle. You may 

cause serious injury to another person, or to personal property 

should you make contact while running the Speed-NT.

Introduction

Thank you for choosing the Speed-NT. This is a highly 

developed RC model that features a sophisticated radio 

system and a nitro fuel powered engine. It does require some 

mechanical experience and direct adult supervision. This guide 

contains the basic instructions and drawings needed to operate 

and maintain your new Speed-NT. Please take the time to read 

through these instructions completely before attempting to 

run your new model. Your hobby dealer cannot under any 

circumstances accept a model for return or exchange that has 

been run. We are confident you will be satisfied with the high-

speed performance in this durable and resilient vehicle. 
Understanding that you are anxiously wanting to get your 

Speed-NT ready for the open road, it will be to your long term 

benefit to make the effort and read through the entire manual. 

In the following pages you will find all the information you will 

need to set up as well as operate your new Speed-NT to its full 

potential.

If you are an experienced RC hobbyist, or new to RC vehicles, 

it will benefit you to read all enclosed information.

From everyone at Losi we would like to thank you again for 

choosing the Speed-NT. Our goal is helping people have fun 

and enjoy using our products.

Register your Losi Product Online

Register your Speed-NT now and be the first to find out  

about the latest options parts, product updates and more.  

Log on to www.LOSI.com and follow the product registration 

link to stay connected.

Summary of Contents for Speed NT

Page 1: ...1 Not responsible for errors All prices subject to change without notice Losi a Division of Horizon Hobby Inc Printed 06 09 16265...

Page 2: ...he Speed NT Introduction Thank you for choosing the Speed NT This is a highly developed RC model that features a sophisticated radio system and a nitro fuel powered engine It does require some mechani...

Page 3: ...ection This model is controlled by a radio signal that is subject to interference from sources outside your control Interference can cause temporary loss of control so it is advised to always keep a s...

Page 4: ...Nitrotane 20 Sport fuel LOSF0020 or LOSF0120 Other fuels may not support the engine warranty Fuel bottle LOSB5201 Glow Igniter LOSB5221 Rechargeable Receiver battery LOSB9951 Required Equipment You wi...

Page 5: ...uel Line Pressure Line Fuel Filler Exhaust Pipe Front Shock Tie Rod Steering Link Front Suspension Arm Front Camber Link Front Body Mount Steering Servo Receiver Cover Throttle Linkage Adjuster Air Fi...

Page 6: ...tle Brake Trigger Steering and Throttle Endpoint Adjustment Pots 4 Auxiliary Channel Bind LED Throttle Channel Steering Channel Binding Port Power On Off Switch Dual Rate Adjustment ST D R Antenna Ste...

Page 7: ...nt Pots allow you to adjust the maximum movement of the servos 11 Bottom Cover Removable for installing AA batteries 12 Binding LED Blinks when binding solid indicates binding complete Re Binding the...

Page 8: ...repeat steps 1 6 Should this not correct the problem please call Horizon Service Repair for further assistance 8 The Bind process is complete Your vehicle s radio system should be ready for use Using...

Page 9: ...s straight up at the back of the carburetor Both feature a slotted head that is used as a reference and receptacle for a flat blade screwdriver for adjustments The mixture is made richer by turning th...

Page 10: ...engine at idle pinch and hold the fuel line near the carburetor cutting off the flow of fuel and listen closely to the engine rpm speed If the low speed needle is set correctly the engine speed will...

Page 11: ...ells in the model If the model gets stuck do not pull the throttle as it may result in damage to the engine or clutch Leave plenty of room to stop the model It will take as much room to stop as it did...

Page 12: ...ap screw 7 Replace the engine installing the four 5 40 screws from beneath as well as the throttle link and pipe mount screw Adjusting the Gear Mesh As seen in the photo above the motor can be moved f...

Page 13: ...f the chassis on a block so the wheels can turn freely 2 Remove the plug at the top right hand side looking from the back toward the front of the transmission case You will see the 2 Speed mechanism t...

Page 14: ...or a toothbrush to remove dirt and dust Avoid using solvents if possible as this can actually wash the dirt into bearings and areas not accessible without disassembly causing additional wear We sugges...

Page 15: ...inward a hole will slow steering response and make the Speed NT smoother in bumps The standard position on the arm is outside which offers the best balance Running the inside shock location will give...

Page 16: ...handling on different surfaces The outer location also helps the Speed NT stay tighter in turns with a more precise steering feel Moving the link to the inner hole will make the steering react slightl...

Page 17: ...n exit Toe In Having the same definition as for the front end the toe in can be adjusted on the Speed NT with the rear hubs The stock toe in is 3 degrees of inboard per side and 0 degrees in the hub I...

Page 18: ...e the result of simple user errors or minor adjustments which are easily addressed If after reading below you cannot resolve your problem then please call Horizon Product Support at 1 877 504 0233 Rad...

Page 19: ...side 2 While holding the shock body with the shaft pointing up turn the plastic hex of the shock cartridge where the shaft enters the shock counter clockwise until it and the shock shaft can be remove...

Page 20: ...on of or to any part of the Product This warranty does not cover damage due to improper installation operation maintenance or attempted repair by anyone other than Horizon Return of any goods by Purch...

Page 21: ...paired or replaced free of charge Repair or replacement decisions are at the sole discretion of Horizon Hobby Non Warranty Repairs Should your repair not be covered by warranty the repair will be comp...

Page 22: ...op off your waste equipment for recycling please contact your local city office your household waste disposal service or where you purchased the product UK DE DK BG SE FI EE LV LT PL CZ SK HU RO SI AT...

Page 23: ...23 Operating and Tuning Notes...

Page 24: ...24 2009 Losi A division of Horizon Hobby Inc Not responsible for typographical errors All pricing subject to change without notice 800 0397...

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