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INTRODUCTION

Serpent developed the S120 LTR  model car  for 

demanding racers in the highly competitive electric 

1/12th scale pan car market, which like all our previous 

cars, has been designed to win straight from the box.

Featuring a number of very effective features such as 

a fully adjustable front end, machined aluminium rear 

pod, side-links combined with ball-link tube-system 

to control chassis roll and grip, top-mounted shock-

absorber, quick and easy tweak adjustment and top 

quality materials throughout, the S120–LTR should see 

you in the winners circle in no time. In fact everything 

associated with this car is of the highest quality, from 

the packaging and supplied manuals, right through to 

the product and race support.

For latest information about S120-LTR check on:

www.serpent.com/410006

Enjoy racing !

Team Serpent

INSTRUCTIONS

Serpent’s long tradition of excellence extends to the 

instruction manuals, and this instruction manual 

is no exception. The easy-to-follow layout is richly 

illustrated with 3D-rendered full-color images to make 

your building experience quick and easy. Following the 

instructions will result in a well-built, high-performance 

race-car that will soon be able to unleash its full 

potential at the racetrack.

INSTRUCTIONS, hOw TO USe 

The kit includes bags, with bagnumbers, which 

refer to the same step in the manual. Open only the 

indicated bag(s) per step and finish that part of the 

assembly. Remaining parts will be needed lateron in 

the assembly process.

SeTUP

In certain assembly steps you need to make basic

adjustments, which will give you a good initial setup for 

your Serpent S120–LTR. Fine-tuning the initial setup 

is an essential part of building a high-performance 

racecar like yourS120–LTR.

eXPLODeD VIewS AND PARTS LIST

The exploded views and parts lists for the Serpent 

S120–LTR are presented in the Reference Guide section 

in the back of this manual. The exploded views show 

all the parts of a particular assembly step along with 

the Serpent part number. The parts lists indicate the 

part number andname of each part for easy reference 

when ordering.

CUSTOmeR SeRVICe

Serpent has made a strong effort to make this manual 

as complete and clear as possible. Additional info may 

be published in our website: www.serpent.com or you 

may ask your dealer or the Serpent distributor for 

advice, or email Serpent direct: [email protected]

The Serpent Facebook, Twitter and Youtube pages give 
additional means of support and communications. 

SAfeTy

Read and take note of the ‘Read this First section’ 

before proceeding to assemble the car-kit. This car-kit 

is intended for persons aged 16 or older.

Read this first!

- This is a highly technical hobby product, intended to be used 

in a safe racing environment. This car is capable of speeds in 

excess of 80 km/h or 50mph. Please follow these guidelines 

when building and operating this model.

- Parental guidance is required when the builder/user of this 

car is under 16.

- Follow the building instructions. If in doubt, contact your 

dealer or importer.

- Be sure to use the proper tools when assembling the car. 

Always exercise caution when using electric tools, knives and 

other sharp objects.

- Be careful when using liquids like lubrication oil, fuel or glue. 

Do not swallow.

- Follow the manufacturer’s instruction in case you experience 

irritation after using the product.

- Be careful when operating the car. Stay away from any 

rotating parts such as wheels, gears and transmission. Stay 

away from motor, engine and exhaust pipe system or speedo 

during and immediately after use, as these parts may be very 

hot. We advise to use protective hand cloves.

- Only operate this car in a safe environment, like a special 

racing track or a closed parking lot. Avoid using this car on 

public roads, crowded places or near infants.

- Before operating this car, always check the mechanical 

status of the car. Also check that the transmitter and receiver 

frequencies correspond and are not used by any other racer 

at the same time. Check that the batteries of the transmitter 

and receiver- are fully charged.

- After use, always check all the mechanics of the car. We 

advise to clean the car immediately after use, and inspect the 

parts for wear or fractures.

Replace when necessary. Do not use water, methanol, thinner 

or other solvents to clean the car.

- Empty the fuel tank (depending on model) if needed and 

disconnect the

receiver battery.

- Store the car in a dry and heated place to avoid corrosion 

of metal parts.

- Avoid using this car in wet conditions as the water will cause 

corrosion on

the metal parts and bearings and these parts will cease to 

function properly.

If driven in the wet, ensure that all the electric equipment is 

waterproofed

and after use, that all moving parts are dried immediately.

CONTENTS

fRONT ASSemBLy  

                           4

ReAR  ASSemBLy   

 

                         7

BALL DIff ASSemBLy                                 11 

ShOCK ASSemBLy 

 

              14

eLeCTRONICS ASSemBLy 

              15

fINAL ASSemBLy                                  19

Reff GUIDe                                          20

Summary of Contents for 410006

Page 1: ...INSTRUCTION MANUAL REFERENCE GUIDE...

Page 2: ...mail Serpent direct info serpent com The Serpent Facebook Twitter and Youtube pages give additional means of support and communications Safety Read and take note of the Read this First section before...

Page 3: ...roup of items within lines should be assembled first Direction the item should be moved Glue one item to another Press Insert one item into another Connect one item to another Gap between two items Ap...

Page 4: ...should apply CA Glue around the chassis edge and the power pod plate external and internal edge as shown in red below CA Glue KIT FRONT ASSEMBLY Nylock Nut M2 2 Nylock Nut M2 2 M2 2x12 M2 2x12 M3x8 0...

Page 5: ...Front suspension brackets up INSIDE OUTSIDE Default setup Page 5 M3x8 M3x8 M3x8 M3x8 M3x8 5 1 5 2 3 2 mm M3x3 M3x3 STEP 4 1 1 2 2 STEP 5 1 1 3 3 2 2 Bag 2...

Page 6: ...ckerman position in the steering block lever Page 6 6 2 3x5x2 3x5x1 3x5x0 3 R2 3 R2 3 STEP 6 1 3 4 2 6 1 3x5x4 M3x12 3x5x2 Nylock Nut M3 Note orientation of the king pin insert STEP 7 Bag 3 M2 5x5 M2...

Page 7: ...Page 7 M3x8 Nylock Nut M3 NOTE Do no overtight to ensure free rotation of the pivot ball Note the corrrect ball type to use here REAR ASSEMBLY M3x6 M3x6 M3x6 M3x6 M3x6 STEP 8 STEP 9 1 2 1 2...

Page 8: ...Page 8 M3x6 Nylock nut M3 M3x6 M3x5 Note the corrrect ball type to use here STEP 10 STEP 11 Bag 4 3x5x0 3 1 2 3 3...

Page 9: ...Page 9 M2x6 M2x6 M3x5 M3x10 M3x5 Note the corrrect ball type to use here A OUTSIDE SIDE SPRING CONFIGURATION DEFAULT STEP 13A STEP 12 Adjust movement and play with these screws 1 1 1 2 2 2 3 3 3...

Page 10: ...Page 10 Apply the silicone oil on the inner tube see CST value in the setup sheet M3x10 B INSIDE SIDE SPRING CONFIGURATION M3x16 STEP 14 14 2 14 1 STEP 13B 1 2 3...

Page 11: ...s using different rear axle bearing adapters The ride height decreases if the axle is placed higher 0 40 0 35 Default setup Page 11 1 4x3 8 1 4x3 8 1 4x3 8 Flanged Apply silicone grease 1 4x3 8 Flange...

Page 12: ...has 23 24 or 25 and use the right inserts NOTE 1 Servo mounts are excentric for ensuring that steering servo could be assembled perfecly centerd 2 Use chassis slot to center the steering servo M3X8 M3...

Page 13: ...mm Page 13 18 2 Note position of the shockball NOTE The M3x3 set screw will fix the antenna Do not fully tighten till step 22 after antenna is assembled M3X3 M3X5 M3X6 M2 5x6 18 1 STEP 19 1 3 4 2 STE...

Page 14: ...d Oil will overflow through the built in bleed channel Tighten carefully until the bottom half sits against the shock body Filling Fill the shock body with shock absorber oil Check the oil CST value i...

Page 15: ...T INCLUDED NOTE Tighten the M3x3 set screw assembled in the Step 18 right after assembling the antenna Tip Use double sided tape to mount the ESC and RX to the chassisplate A LONGITUDINAL BATTERY CONF...

Page 16: ...nna NOTE Use glass tape not included to fix the battery to the chassis Tip Use double sided tape to mount the ESC and RX to the chassisplate B TRANSVERSAL BATTERY CONFIGURATION A LONGITUDINAL BATTERY...

Page 17: ...NSVERSAL BATTERY CONFIGURATION NOT INCLUDED Nylock Nut M3 Nylock Nut M3 M3X6 M3X6 Detail view longitudinal battery configuration default NOTE Use glass tape not included to fix the battery to the chas...

Page 18: ...Page 18 Pinion is NOT INCLUDED in the kit Assemble the proper pinion for your set up NOT INCLUDED M3X10 Detail view transversal battery configuration FINAL ASSEMBLY STEP 25...

Page 19: ...Page 19 Body wheels and tyres are NOT included M3X8 1 8X5 16 Nylock Nut M3 STEP 26...

Page 20: ...Page 20 REFERENCE GUIDE...

Page 21: ...1026 411059 110160 411033 411034 411084 411084 411181 411086 411085 411049 411049 411049 110122 401025 110122 110166 110166 110122 401025 411163 411163 110402 411323 401042 110411 411322 411064 411324...

Page 22: ...ear 64P 106T 120030 Spur diff gear 64P 110T Please click here to check all the Optional Parts Please click here to check all the Optional Parts 411262 411186 411186 411075 411075 411069 411185 411074...

Page 23: ...1216 Center spring 16lbs S120L 411217 Center spring 18lbs S120L Please click here to check all the Optional Parts Please click here to check all the Optional Parts 411207 411041 411203 411019 110154 4...

Page 24: ...Page 24 TEAM SERPENT NETWORK website and blog S120 LTR SPARE PARTS S120 LTR OPTIONAL PARTS SERPENT TOOLS SERPENT MERCHANDISING social media...

Page 25: ...S120 LTR version 1 www serpent com info serpent com...

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