Serpent S811 Cobra Truggy User manual

INSTRUCTION MANUAL
& REFERENCE GUIDE

2
The Serpent S811 Cobra is a complete new platform for the 1/8 scale electric offroad
category of racing. The Serpent S811 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
electric 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-E Cobra 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-E 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-E 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.
SAFETY
Included in this manual is a sheet 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 part , and follow all the precautions.
The printed instruction manual included with your Serpent S811-E 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 Cobra is accessible from the Serpent S811 product
page which can be found on Serpent.com and can be accessed by simply typing serpent.
com/600004 into your web browsers address bar.
Serpent S811: reports by team drivers and other experts, tips and tricks,
ersion of
Team Serpent

3

CENTER
DIFF
BAG
A
5
A
6
8x16x5
8x16x5
4
3
A
1
A
2
A
2

FR/RR
DIFF
BAG
A
5
A
6
8x14x4
flanged
5
6
A
4
A
5
A
8x11x0.2
1 pcs
2
8x14x4
flanged
M3x12

A
5
A
6
6
8
A
7
A
M4x10
M3x8
BAG
1

A
5
A
6
7
10
A
9
A
BAG
2
M3x18
M3x18
3
use some threadlock
on this screw
M4x4
Use 14x15.6x0.2
shims to adjust
the proper gear mesh
Notice orientation of differential
8x11x0.2
2 pcs
8x19x6
13x19x4

A
5
A
6
8
12
A
11
A
M3x40
M3x12

A
5
A
6
9
14
A
13
A
M3x20
BAG
3
M3x20
M3x16
M3x16
M3x25
Nylock Nut
M3
15
A
M3x20
3x7.5x1
Nylock Nut
M3
13.5mm
M5x4
2.5x17
8x16x5
M3x4
15x21x4

A
5
A
6
10
17
A
16
A
M3x22
2
3
1
4
2Notice
orientation
of upright
21.5mm
M3x3
M3x3
M3x3
M3x3
31
2
4
2
3
4

A
5
A
6
19
A
18
A
11
M4x12
20
A
BAG
4
1
1
2
M3x16
M3x18
M3x16
3
use some threadlock
on this screw
M4x4
Notice orientation of differential
Use 14x15.6x0.2
shims to adjust
the proper gear mesh
8x11x0.2
2 pcs
13x19x4
8x19x6

A
5
A
6
22
A
21
A
12
M3x18
23
A
3
M3x18
M3x20
Nylock Nut
M3
18.0mm
3x7.5x1

A
5
A
6
25
A
24
A
13
M5x4
26
A
BAG
52.5x17
8x16x5
15x21x4
M3x4
2.5x15
3
1
2
4
5
use some threadlock
on this screw
M3x6
2
1
1LEFT
M4x18
special
3
1
2
M3x22
RIGTH

A
5
A
6
28
A
27
A
14
M3x3
29
A
35mm
M3x3
M3x3
M3x3
3
1
2
4
3
2
4
1
1
2
M4x12 M4x14
M4x10
M4x10
BAG
6

A
5
A
6
32
A
30
A
15
33
A
31
A
4mm
M3.5x10
M3.5x10
M3x18
M3x18
21.0mm
6x10x3
6x10x3
Nylock Nut M3
Nylock Nut M3
Nylock Nut M3
Nylock Nut M3
M3x18
M3x18

A
5
A
6
16
35
A
34
A
M3x10
M3x10
M3x16
1
2
M3x8
3
2
M3x12
Nylock Nut M3
1
1
M3x12

A
5
A
6
2
C
1
C
17
M3x3
3
C
BAG
7
3
1
2
M4x10
M4x10
M3x8
M3x8
M3x8
M3x16
Use shims to allow servolever to clear radiobox
by 0.5 to 1.0mm (see step C6)
M4x10

A
5
A
6
6
C
4
C
18
7
C
5
C
M2x10
Adhesive
Adhesive
M3x3
M3x12
M3x8
Place threadlock on m3x12 screw as well as m3x8
M3x12
M4x10
M3x16
Nut M3
M3x25
Nylock nut M3

A
5
A
6
19
BAG
- Fill up with silicone oil
- Wait for air bubbles
to escape
- Close top only 3/4
- Check default SET-UP
sheet for CST value
of silicone oil
- Apply some silicone oil
to assemble the O-rings
- Close fully
8/9
BAG 8 = FRONT
FRONT 1x1.0mm
1x1.5mm
REAR 1x1.0mm
2x1.5mm
use
threadlock
- Push all
the way in
1
D
2
D
3
D
4
D
5
D
M2.5x6
6A
D
6B
D
1
2
BAG 9 = REAR

A
5
A
6
20
7A
D
7B
D
8
D
9
D
FRONT
REAR
1.0
mm
1.5mm
1.5mm
2.0mm
2.0
mm
6.0mm
- Shock length - FR=37mm
- RR=42mm
M3x6
M3x6
Nylock Nut M3
Flanged
M3x28
Flanged