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Introduction

Thank you for choosing the Losi

®

 8IGHT-T 2.0

 RTR Truggy. This is a highly developed off-road model that features 

a sophisticated computer-based radio system and does require some mechanical experience and direct adult 

supervision. This guide contains the basic instructions for operating and maintaining your new Losi 8IGHT-T 2.0 

RTR. Please take the time to read through it completely before running the model. In addition to the service 

information available in this operations guide, our online Support - Answer Center is available at  www.Losi.com 

for performance tips and troubleshooting questions. Also included with your 8IGHT-T 2.0 RTR is a 8IGHT-T 2.0 Race 

Roller Owners Manual. This manual can be used to reference how the vehicle is assembled and also includes build 

and setup tips. 

Your hobby dealer cannot under any circumstances, accept a model for return or exchange 

that has been run.

Customer Support Contact: 

Horizon Hobby, Inc. 

4105 Fieldstone Road 

Champaign, IL 61822 

1-877-504-0233 

[email protected]

STAY CONNECTED - REGISTER YOUR PRODUCT ONLINE

Register your product online so we can notify you about the latest option parts, product updates, tech tips, service 

bulletins and more. Visit www.losi.com and follow the Product Registration link to stay connected.

Safety Precautions

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 IS NOT A TOY! The 8IGHT-T 2.0 RTR is a sophisticated, high-performance radio controlled model, which needs 

to be operated with caution and common sense. Failure to operate this model in a safe and responsible manner 

could result in personal and/or property damage. It is your responsibility to see that the instructions are followed 

and precautions adhered to.

The 8IGHT-T 2.0 RTR is not intended for use by children without direct adult supervision. Losi and Horizon Hobby 

shall not be liable for any loss or damages, whether direct, indirect, special, incidental or consequential arising 

from the use, misuse or abuse of this product or any product required to operate it.

* This is still a model; don’t expect it to do unrealistic stunts.

Warnings

• 

Fuel is dangerous if handled carelessly. Follow all directions and precautions on the fuel container.

• 

Keep fuel and all chemicals out of the reach of children.

• 

Always keep the fuel container closed and never use around an open flame or while smoking.

• 

 The exhaust emits poisonous carbon monoxide fumes. Always run the model in a well ventilated area and 

never attempt to run it indoors.

• 

 The top of the engine and the exhaust pipe are extremely hot during and for a time after use. Use caution not 

to touch these parts, especially when refueling.

• 

 The engine can be loud, especially when run in a confined area. If you find the noise objectionable, use ear 

protection.

• 

 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 advisable to always keep a safety margin in all 

directions to avoid collisions.

• 

 Always operate your model in an open area away from people and cars. The potential speed of this model can 

cause injury or damage.

Required Equipment

You will need the following items to operate your new 8IGHT-T 2.0 RTR.

• 

 Losi

®

 Nitrotane

 20% Sport Fuel. (LOSF0020 or LOSF0120) Nitrotane is the only fuel recommended by Losi for 

the included nitro engine.

• 

Fuel bottle (LOSB5201)

• 

(2) 7.2V batteries (LOSB9900) and charger for the Starter Box

• 

Rechargeable Glow Igniter (LOSB5221)

• 

Charger for receiver battery

Summary of Contents for 8IGHT-T 2.0 RTR Truggy

Page 1: ...Operations Guide Losi a Division of Horizon Hobby Inc 800 0394 RTR Not responsible for errors All prices subject to change without notice Losi a Division of Horizon Hobby Inc...

Page 2: ...al and or property damage It is your responsibility to see that the instructions are followed and precautions adhered to The 8IGHT T 2 0 RTR is not intended for use by children without direct adult su...

Page 3: ...onse and handling characteristics of the model 2 You can also break in the engine by placing the model against a wall or fixed object on top of the starter box and allowing the engine to idle through...

Page 4: ...mixture is too rich and needs to be leaned by turning the high speed needle clockwise in one hour increments until it runs smoothly If the engine isn t smoking or starts to die after acceleration it i...

Page 5: ...and the model on the starter box put a rag over the head and turn the engine over a few seconds This will remove the excess fuel in the engine Reinstall the glow plug making sure you have the brass ga...

Page 6: ...s turn the transmitter ON before turning the model ON When finished running always turn the model OFF before the transmitter For best operation it will be necessary to keep the trims adjusted for both...

Page 7: ...is how the clutch shoes look prior to running the vehicle Below is a used clutch You will notice the edges of the shoes are mushroomed over Generally the more that the shoes are mushroomed over the m...

Page 8: ...ilicone Diff Fluid 7000 wt LOSA5281 in the front differential 10000 wt LOSA5282 in the center differential and 3000 wt LOSA5279 in the rear differential Rebuilding Refilling the Shocks The 8IGHT T 2 0...

Page 9: ...from bottom Engine Shock Linkage Measurements Front Camber Linkage Rear Camber Linkage Steering Linkage Low Speed Needle 21 2 turns out from bottom Quick Reference Guide 142 50mm 142mm 137 20mm x 21...

Page 10: ...rain Rebuild Engine overheats High speed fuel mixture is too lean Low speed fuel mixture too lean Spoiled or improper fuel Cooling air is being blocked Excessive load on the engine See Understanding R...

Page 11: ...Front Bearing 26 427 454 9 49 LOSR2216 Rear Bearing 26 427 454 24 99 LOSR2217 Combustion Chamber 454 10 99 LOSR2218 Head Gasket 2 454 3 99 LOSR2219 Cooling Head Orange 454 49 99 LOSR2222 Carburetor 9...

Page 12: ...in a manner that protects human health and the environment For more information about where you can drop off your waste equipment for recycling please contact your local city office your household was...

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