Serpent S811 Cobra Truggy User manual

INSTRUCTION MANUAL
& REFERENCE GUIDE

The Serpent S811 Cobra Truggy is based on the same platform as the highly
successful Serpent Cobra Buggy. The Serpent S811 Cobra Truggy is designed by Billy
Easton, to be a 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 Cobra Truggy 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 Cobra Truggy into the winner’s circle.
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 Cobra Truggy. 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 Cobra Truggy 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.
SAFETY
Included with your Serpent S811 Truggy kit is a document entitled ‘Read This First’
that covers safety precautions for the assembly and use of this product. We strongly
recommend that you thoroughly read and understand that document, and follow all the
precautions.
The printed instruction manual included with your Serpent S811 Cobra Truggy 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 Cobra Truggy is accessible from the Serpent S811
Truggy product page which can be found on Serpent.com and can be accessed by simply
typing serpent.com/600030 into your web browsers address bar. From the Serpent S811
Truggy product page you will find the very latest information about your Serpent S811
Truggy: 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.
2

Length after assembly / Gap between two items
Assembly path of one item into another
Group 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
Apply transmission grease (Grey), threadlock* (Blue),
CA glue* (Red) or differential grease (Orange).
(*Items not included.)
Step number;
the order in which you should assemble the indicated parts
Apply silicone oil.
3

A
1
A
2
CENTER
DIFF
BAG
A
3
M3x12
silicone oil
ll just over gear
check default
SET-UP sheet
for CST value of
the silicone oil
add 2mm oil before
assembling the gear
TIP
TIP
TIP
4
8x14x4
anged
8x11x0.2
1 pc
use silicone oil
to hold seal in
position
8x14x4
anged
8x11x0.2
3 pc

FR/RR
DIFF
BAG
A
4
A
5
A
6
8x14x4
anged
use silicone oil
to hold seal
in position
8x14x4
anged
add 2mm oil before
assembling the gear
TIP
TIP
TIP
silicone oil
ll just over gear
check default
SET-UP sheet
for CST value of
the silicone oil
M3x12
5
8x11x0.2
1 pc

A
7
A
8
M3x8
use threadlock for these screws
in the brakelever
14x15.5x0.65
big brakedisc
in front
small brakedisc
at the back
A
9
A
10
BAG
1
Thin
Thick
Thick
Thin
M4x12
M3x3
M3x10
TIP
check for free movement
TIP
6

M5x4
BAG
2
14x15.6x0.2
use shims to adjust gear mesh
14x15.6x0.2
use shims
to adjust gear mesh
M3x14
M3x14
7

A
15
A
16
BAG
3
proper insert orientation in the rear
bracket, left and right equal type
proper insert orientation in the front
bracket, left and right equal type
M3x40
M3x16
M3x16
M3x18
M3x18
M3x25
M3x16
Nylock M3
M3x16
8

BAG
4
M3x12
anged
M3x12
anged
M3x22
Nylock M3
5
6
4
56.5mm
please notice
the correct hole
for the pin
move clips over pin
after assembling

A
19A
A
20
A
21
use threadlock on these screws
M3x3
M3x3
M3x3
M3x3
M4x12
35mm
10
M3x12
Nylock M3
Nylock M3

BAG
5
M3x16 cilinder head

A
26
A
27
M3x16
proper insert orientation
in the rear bracket
proper insert orientation
in the front bracket
61.5MM
TIP
12
M3x14

BAG
6
5
6
4
please notice
the correct hole
for the pin
move clips over pin
after assembling

A
30
A
31
use threadlock
on these screws
M3x22
M4x18 SPECIAL
35MM
TIP TIP
14

BAG
7
A
32
A
33
M4x12 M4x14
M4x10
M4x10
M4x10
use threadlock on these screws
15

A
34
4MM
A
35
A
36
64.5MM
18.5MM
Nylock M3
Nylock M3
A
37
A
38
M3x16
M3x18
M3x18
M3x18
M3x18
M3x16
16 Nylock M3
Nylock M3
Nylock M3

A
38
A
39
M3x8
M3x8
M3x15
M3x12
M3x12
17
Nylock M3
Nylock M3

5x10x4
B
1
B
3
B
2
M3x10
M3x10
M4x12
BAG
8
NOT INCLUDED
TIP
18
use threadlock
on these screws
use threadlock
on these screws
NOT
INCLUDED

C
1
C
2
C
3
M3x8
M3x8
M3x8
M3x8
19
BAG
9
Inserts:
23T Sanwa / KO / JR
24T Hitec
25T Futaba
NOT INCLUDED
M3x4
notice the orientation
of the lever in neutral
position!
NOT INCLUDED
use
threadlock
M3x16
M3x16
M3x8
TIP
M3x12
C
3A
C
3B
NOT INCLUDED
use enough servo-spacers
to get clearance at the
bottom of the servo!
use enough servo-spacers
to get clearance at the
bottom of the servo!
M3x16
NOT
INCLUDED

C
4
BAG
10/11
C
9
C
6
NOT INCLUDED
NOT INCLUDED
M3x3
M3x8
M3x20
C
5
125mm
120mm
C
7
M3x3
24mm
C
8
20
M2x10
TIP
M3x8
M4x10
TIP