Serpent S811-B 2.0 Cobra User manual

INSTRUCTION MANUAL
& REFERENCE GUIDE

2
The Serpent S811-B 2.0 Cobra is a complete new platform for the 1/8 scale gas offroad
category of racing. The Serpent S811-B 2.0 Cobra is designed to be a world champion,
while still being easy to use, assemble, and set up. You are now part of the worldwide
network of Serpent drivers, which gives you superior technical support and access to
many benefits that only Serpent drivers can enjoy.
The Serpent S811-B 2.0 Cobra offers state of the art specifications and leads the way in
1/8 scale gas offroad chassis design, using all the knowledge our designers have gathered
from racing offroad cars for over 15 years, into this design too.
Continuously pushing the performance envelope, Serpent’s engineers have added
many new and innovative features that help take your Serpent S811-B 2.0 Cobra
into the winner’s circle. Designed, tested and raced by Billy Easton, USA. World Champion.
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.
This instruction manual has been divided into sections that will logically lead you through
the assembly process of your Serpent S811-B 2.0 Cobra. Follow the assembly steps in
the order presented to ensure that no problems occur during assembly.
Each step indicates all the fasteners, bearings and small parts used.
Bag numbers identify the kit bag(s) that contains the appropriate parts.
EXPLODED VIEWS AND PARTS LIST
The exploded views and parts lists for the Serpent S811-B 2.0 Cobra are included 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 and name of
each part for easy reference when ordering.
The printed instruction manual included with your Serpent S811-B 2.0 Cobra kit is very
complete, though due to continuous product development, more up-to-date information
may be provided at our Serpent.com website.
All information about the Serpent S811-B 2.0 Cobra is accessible from the Serpent
S811-B 2.0 product page which can be found on Serpent.com and can be accessed by
simply typing serpent.com/600008 into your web browsers address bar.
From the Serpent S811-B 2.0 product page you will find the very latest information about
your Serpent S811-B 2.0: reports by team drivers and other experts, tips and tricks,
setups, image gallery and downloadable files including the latest version of
the instruction manual will be made available as downloadable PDF-files.
Team Serpent

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.
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.
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 nish
that part of the assembly. Remaining parts will be needed lateron in
the assembly process.
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.
SETUP
In certain assembly steps you need to make basic adjustments,
which will give you a good initial setup for your car. Fine-tuning the
initial setup is an essential part of building a high-performance
racecar.
Exploded views and partslist
The exploded views and parts lists for the Serpent S811-B 2.0 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 and name of each part for easy reference when ordering.
Read this rst!
- 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.

A
2
CENTER
DIFF
BAG
A
3
8x11x0.2
3 pcs
4

A
5
A
6
use silicone oil
to hold seal
in position
TIP
TIP
TIP

A
9
A
10
TIP

M5x4
use 14x15.6x0.2
shims to adjust
proper gear mesh
13x19x4
8x19x6
Nylock nut
M3
8x11x0.1
2.5x13
M5x4

Nylock nut
M3
Nylock nut
M3

M3x12
M3x12
M3x8
M3x8
M3x8
2.5x15
2.5x17
8x16x5
Nylock nut
M3

5x8x2.5
Flanged
Nylock nut
M3

Nylock nut
M3
13x19x4
8x19x6
2.5x13
use 14x15.6x0.2
shims to adjust
proper gear mesh
8x11x0.1

TIP TIP

8x16x5
2.5x17
2.5x15

5x8x2.5
Flanged
Nylock nut
M3

BAG
7
A
33
M4x10

Nylock nut
M3
Nylock nut
M3
Nylock nut M3
6x10x3

Nylock nut
M3

Nylock nut
M4

NOT
INCLUDED
NOT
INCLUDED
NOT INCLUDED
NOT INCLUDED
M3x16
M3x16
>2.0-2.5mm
The target dimension between the end
of outer edge of the servo horn and the
inner wall of the radio box should be
> 2.0mm to 2.5mm

NOT INCLUDED
M3x20
NOT INCLUDED
NOT INCLUDED
60mm
125mm
59mm
120mm
M4x12
C
9