No. 31271
REQUIRED FOR OPERATION
RADIO PREPARATION
BEFORE YOU BEGIN
ARRANGEMENT OF PLASTIC PARTS ON RUNNERS
ASSEMBLY
ADJUSTMENT
OPERATING YOUR MODEL SAFELY
EXPLODED VIEW
SPARE PARTS & OPTIONAL PARTS
2 3
3
4 5
6 7
8 28
28 29
30
31 33
34 37
INDEX
Before beginning assembly, please read these instructions thoroughly.
UNDER SAFETY PRECAUTIONS
This radio control model is not a toy!
First-time builders should seek the advice of experienced modellers before
beginning assembly and if they do not fully understand any part of the
construction.
Assemble this kit only in places out of children's reach!
Take enough safety precautions prior to operating this model.
You are responsible for this model's assembly and safe operation!
Always keep this instruction manual ready at hand for quick
reference, even after completing the assembly.
*SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.*SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
© 2002 KYOSHO CORPORATION
THE FINEST RADIO CONTROL MODELS
R
INSTRUCTION MANUAL
II
INFERNO MP
-
7.5
YUICHI KANAI EDITION 2
II
1
2ch radio control set with 2 servos.
Stick-type
2ch radio set.
Wheel-type
2ch radio set.
Battery for Receiver
AA-size Batteries (For Transmitter)
AAAA
AAAA
Servo Receiver
REQUIRED FOR OPERATION (1)
Suitable servos & receiver
2
Engine / Muffler / Tire
This kit requires a .21 class engine.
This kit requires a 2 channel radio con-
trol set with 2 servos.
Because there are stick-type and wheel-
type transmitters, use which ever fits
your convenience best.
Switch the reverse (transmitter) for the
throttle control.
For more information on the radio con-trol
set, refer to its instruction manual.
3
Required for engine starting:
No.71161
6V X-FORCE 600
Ni-Cd Battery
No.71641
6V-1000mAh
Ni-Cd Battery
Engine for .21-class cars
Only using a type of .21
class engine, which is made
crank shaft and pilot shaft
as one part (SG shaft only).
Muffler
Manifold
Plug
Tire
No.96422
Quick Fill Fuel Bottle
No.IFW-37
SP
(FEMCA)
SP Silencer (FEMCA)
No.39514
Manifold (O.S.21RZ, Picco, Nova Rossi)
No.39516
Manifold (
O.S.21RG)
No.W-5651
Super Multi Pin Tire
No.80312
Locking Jig & Wrench
No.1793
Starter Box
Glow Fuel Fuel Pump Plug Heater
Plug Wrench Starter Battery
4
Paint
5
Other equipment required.
S
I
L
O
C
N
E
O
I
L
I
Shock Oil
M
Strap (M)
For painting the body, use Kyosho
paints for models!
No.1701KP / KY
Fluorescent Strap
KYOSHO SPRAY COLOR
No.76501 76711
No.2230
POLYCA COLOR
Joining Pipe
No.92515
Muffler Joining Pipe
No.73802
RC
RC Model Fuel
PRO Spec Fuel (Buggy)
S
P
R
A
Y
C
O
L
O
R
R
K
Y
O
S
H
O
S
P
R
A
Y
C
O
L
O
R
R
K
Y
O
S
H
O
2
No.695143
Spark Booster
No.695142
DC
DC Quick Charger
6
Tools required
REQUIRED FOR OPERATION (2)
KNIFE EDGE REAMER
No.695101
No need to pre-drill!
Drills neat 1mm to 15mm
holes directly!
ROUND CUTTER & SANDER
No.1829
For trimming bodies!
Cutting along curved lines
never was so easy!
TOOLS INCLUDED
Sharp Hobby Knife
Phillips Screwdriver (L.M.S)
Needle Nose Pliers
Box Wrench
RADIO PREPARATION
Instant Glue
Cross Wrench
Grease
Wire Cutters
Grease
Awl
Screw Cement
Rubber Cement
Hex Wrench (1.5mm, 2mm, 2.5mm, 3mm)
3
Set up the radio control system as indicated below.
Receiver
4
3
Switch
Servo
7
ON
OFF
9
Battery
1
1
2
11
2
11
Transmitter
5
5
ON
OFF
ON
OFF
10
6
10
6
8
8
1
2
3
4
5
6
7
8
9
10
11
3
/
1
2
3
4
5
6
7
8
9
10
11
Insert AA-size batteries into the
Transmitter.
Extend the Transmitter antenna.
Connect the charged Ni-Cd bat-
tery to the receiver.
Unwind the Receiver antenna.
Center the Transmitter trims.
Switch "ON" the Transmitter.
Switch "ON" the Receiver.
Make sure the servos move ac-
cording to your transmitter in-
puts.
Switch "OFF" the Receiver.
Switch "OFF" the Transmitter.
Retract the Transmitter antenna.
CAUTION: Handle tools carefully!
1
Read through the manual before you begin, so you will have an overall idea of what to do.
BEFORE YOU BEGIN (1)
R
L
Check all parts. If you find any defective or missing parts, contact your local dealer or our Kyosho Distributor.
2
How to read the instruction manual:
3
No.4, No.5, No.6
5 x 10mm
Metal Bushing
4
King Pin
4
5.8mm
Pillow Ball (Black)
2
3
6
Key Number, Part Name, True-to-scale
Diagram, Quantity Used
This instruction manual uses seve-
ral symbols. Please note them
during the entire assembly.
All parts except screws are identified by
key numbers. For purchasing spare parts,
find the key no. of the part needed in the
spare part list and refer to the left column
to look up the corresponding order no.
Symbols used throughout the instruction manual, comprise:
4
Apply epoxy glue.
Apply instant glue (CA glue, super glue).
Apply grease.
Apply threadlocker (screw cement).
Assemble as many times as
specified (here: twice).
x2
Assemble left and right sides
the same way.
True-to-scale diagram.
Must be purchased separately!
Tentatively tighten.
Cut off excess.
Drill holes with the specified
diameter (here: 2mm).
Ensure smooth non-binding
movement while assembling.
Pay close attention here!
4
5
6
4
5
1
7
5
8
2
Part bags used.
Assemble in the specified
order.
Front Suspension
1
2mm
Apply rubber cement.
1901
No.1901
Ball bearings are optional!
(with optional part no.)
Cut off shaded portion.
4
Self-tapping (TP) screws cut threads into the parts when being tightened. Excessive force may
permanently damage parts when tightening TP screws. It is recommended to stop tightening when
the part is attached or when some resistance is felt after the threaded portion enters the plastic.
6
The threads are stripped.Overtightened.
Correct
Wrong
This kit contains screws and hardware in different metric sizes and shapes.
Before using them, check the screws on the true-to-scale diagrams on the left side in each assembly step. Some screws are extras.
5
SCREWS
Screw
Cap Screw
F/H Screw
Self-tapping (TP) Screw
TP F/H Screw
Set Screw
OTHER HARDWARE
Screw
3mm
12mm
3mm
12mm
Flat Head (F/H) Screw
Washer Nut
3mm
Metal Bushing Bearing
5mm
10mm
3mm
E-ring
Pillow Ball
6.8mm
5
BEFORE YOU BEGIN (2)
MEMO
No.1
No.4
No.5
6
ARRANGEMENT OF PLASTIC PARTS ON RUNNERS (1)
166
166
166 166
163
166 166
17
49
283
284
288288
284
283
49
70
41
261 261
41
72
21
62
189
29
29
25
24
30
28
37
16
36
34
35
36
Use the parts within the dotted lines as tunning options.
Shaded parts are not used.
Shaded parts are not used.
No.6
No.9
7
ARRANGEMENT OF PLASTIC PARTS ON RUNNERS (2)
49
16
259 258
146
142
141
147
143
144 145
134
122
123
133
126
149
149
125 129
127
133
101
128
91
49
17
Shaded parts are not used.
No.2
8
Part bags used.
1
Gear Differential
Assemble in the specified order.
Apply grease.
3 x 15mm
TP F/H Screw
6
5 8 x 16mm
Ball Bearing
3
4 x 4mm
Set Screw
4
11
4 x 10mm
Shim
6
6 6mm
O-ring
2
4
2.6 x 14mm
Shaft (Black)
201
2.6 x 12.8mm
Shaft (Black)
18 T (Black)
18 T (Black)
7
Flat surface
10
10
9
11
11
11
18 T (Black)
203
203
202
205
203
12 T
(Black)
Step
202
205
12 T (Black)
Step
202
205
12 T (Black)
Step
Silicone Oil #1000
20 T (Silver)
20 T (Silver)
10 T
(Silver)
10 T (Silver)
204
251
TCD Gear Oil
Fill up to 80%.
Fill up to 80%.
Fill up to 80%.
251
TCD Gear Oil
293
8
201
6
1
204
4x4mm
5
15
8
5
12
6
201
3x15mm
2
8
4
6
1
2
4x4mm
5
15
8
5
12
6
4
3x15mm
18 T (Black)
203
202
205
203
12 T
(Black)
Step
204
201
6
1
204
4x4mm
5
15
7
5
13
6
201
3x15mm
< >
< >
< >
For Front
For Rear
For Center
Pay close attention here!
4
4
202
Differential Shaft (A)
2
9
Differential Shaft (B)
2
2
2
1
1
1
3
3
3
1
1
1
2
2
2
4
4
4
3
3
3
12
TP
O
< >
< >
< >
18 T
18 T
18 T
12 T
12 T
12 T
#1000
20 T
20 T
10 T
10 T
LSD
LSD
18 T
12 T
A
B
No.4, No.5,
No.10
No.4, No.5, No.10
9
Part bags used. Apply threadlocker
(screw cement).
Pay close attention
here!
3
Rear Gearbox
4
Rear Shock Stay
Tighten the set screw to the flat spot.
24
208
252
25
253
27
5x4mm
4x10mm
4x15mm
3x20mm
3x10mm
3x12mm
4x10mm
Holes for
mounting.
1
5 x 4mm
Set Screw
2
4 x 10mm
Screw
2
4 x 15mm
TP Screw
2
3 x 20mm
Cap Screw
1
3 x 10mm
TP Screw
2
4 x 10mm
Screw
2
3 x 12mm
TP Screw
Assemble left and right
sides the same way.
No.2, No.4,
No.5, No.10
2
Rear Gearbox
Adjust the backlash
with the shims.
2
4 x 20mm
TP Screw
5
5
16
19
,
20
19 20
17
1
3
2
21
4x25mm
4x20mm
18
2
2
4 x 25mm
TP F/H Screw
19
20
13 x 16mm
Shim
2
5 8 x 16mm
Ball Bearing
Assemble in the
specified order.
Apply grease.
Long
TP
TP
TP
TP
TP
Thick
Thin
No.4, No.10
No.4
10
Part bags used.
6
Rear Suspension
7
Rear Suspension
x2
Assemble as many times
as specified.
Assemble in the
specified order.
Pay close attention here!
Assemble left and right
sides the same way.
For adjusting the
ground clearance.
Top
Bottom
1mm
Ò R Ó marked.
approx. 16mm
2
54
2.6 x 17mm
Shaft
2
5 x 4mm
Set Screw
2
3 x 8 x 5mm
Plastic Collar
36
35
68
5
34
36
5
2
1
3
54
33
39
38
39
37
4x12mm
5x4mm
41
254
41
Ò L Ó marked.
x2
True-to-scale diagram.
2
4 x 12mm
Set Screw
4
39
E-ring (Silver)
4
5 8 x 16mm
Ball Bearing
2
38
3 x 48mm
Shaft (Black)
41
7.8mm
Ball End
Adjust the wheel base by using the other
spacer instead of .
4
36
No.4, No.5, No.10
5
Wing Stay
Note the types
of screws !
28
29
209
209
30
210
210
29
210
210
3x15mm
3x15mm
4x20mm
4x20mm
4x15mm
4x15mm
2
4 x 15mm
TP Screw
2
4 x 20mm
Screw
4
3 x 15mm
Cap Screw
4
210
3mm
Head Washer
Reverse screw
2
254
Rear Upper Rod
< >
< >
For left side.
For right side.
Ò R Ó
Ò L Ó
16mm
E
36
TP
< >
< >
No.4, No.10
No.4,
No.10
11
Part bags used.
9
Rear Suspension
10
Rear Suspension
2
3 x 12mm
Screw
4
2.6 x 5mm
F/H Screw
2
3 x 4mm
Set Screw
Assemble in the
specified order.
Pay close attention here! Ensure smooth non-binding
movement while assembling.
Assemble left and right
sides the same way.
Holes for mounting.
48
210
49
49
50
1
2
4
3
1
2
3mm
3x25mm
3x4mm
3x4mm
3x4mm
3x3mm
3x3mm
3x12mm
2.6x5mm
2.6x5mm
51
255
52
51
3x10mm
3mm
Nylon Nut
2
2
48
7.8mm
Ball
2
3 x 10mm
Set Screw
2
3 x 3mm
Set Screw
2
5.8mm
Ball
255
2
52
4
51
5.8mm
Ball End (S)
No.4, No.10
8
Rear Suspension
For left side.
For right side.
43
44
44
45
3x10mm
4
44
E-ring (Black)
2
43
4 x 74mm
Shaft
2
3 x 10mm
Cap Screw
2
45
7.8mm
Flange Ball (Black)
Stabilizer Ball (Black)
2
210
3mm
Head Washer
2
3 x 4mm
Cap Screw
Diameter 2.8mm
2
3 x 25mm
Cap Screw
Holes for
mounting.
S
E
2.8mm
No.4,
No.9,
No.10
12
Part bags used.
12
Chassis
13
Front Gearbox
Assemble in the specified order.
Apply grease.
1
3 x 18mm
Cap Screw
1
76
6.8mm
Ball
No.6, No.10
5
5
16
18
19
,
20
19 20
17
256
1
2
3
2
4x20mm
4x20mm
76
57
58
56
3x18mm
3x10mm
1
56
Torque Rod Ball
2
58
6.8mm
Ball End (L)
4
4 x 20mm
TP Screw
2
5 8 x 16mm
Ball Bearing
19
20
13 x 16mm
Shim
Adjust the backlash with the shims.
1
3 x 10mm
F/H Screw
No.9, No.10
11
Chassis
55
4x20mm
4x20mm
4 x 20mm
TP F/H Screw
4
Long
L
TP
Thick
Thin
TP
No.6, No.10
No.6, No.10
13
Part bags used.
15
Front Shock Stay
16
Front Suspension
2
3 x 12mm
TP Screw
2
2.6 x 17mm
Shaft
Apply threadlocker
(screw cement).
Assemble in the
specified order.
Assemble left and right
sides the same way.
27
214
3x20mm
4x10mm
4x10mm
3x12mm
3x12mm
258
294
69
69
33
5
5
66
54
67
259
4x10mm
4x10mm
5x4mm
1
2
3
4
4 x 10mm
Screw
2
3 x 20mm
Cap Screw
4
4 x 10mm
Cap Screw
4
5
54
8 x 16mm
Ball Bearing
2
5 x 4mm
Set Screw
69
Knuckle Collar
4
ÒLÓ marked.
ÒLÓ marked.
ÒRÓ marked.
ÒRÓ marked.
Holes for mounting.
Pay close attention here!
No.5, No.6, No.10
Tighten the set screw to
the flat spot.
14
Front Gearbox
62
213
257
4x15mm
4x20mm
5x4mm
1
5 x 4mm
Set Screw
4 x 15mm
TP F/H Screw
2
4 x 20mm
TP F/H Screw
2
< >
< >
For left side.
For right side.
Short
TP
ÒLÓ
ÒLÓ
ÒRÓ
ÒRÓ
TP
TP
< >
< >
No.5, No.6, No.10
14
Part bags used.
Assemble in the specified order.
Pay close attention here!
Assemble left and right
sides the same way.
18
Front Suspension
2
76
6.8mm
Ball
261
76
72
260
39
75
39
3mm
3x22mm
1
2
3
4
4
39
E-ring (Silver)
2
75
3 x 40mm
Shaft (Black)
2
2
72
6.8mm
Ball End
3mm
Nylon Nut
approx. 8.5mm
Long
No.5, No.6, No.10
17
Front Suspension
71
43
39
39
44
44
70
4x12mm
1
2
3
1
2
3
For right side.
For left side.
2
4 x 12mm
Set Screw
4
39
E-ring (Silver)
4
44
E-ring (Black)
2
43
4 x 74mm
Shaft
2
71
3 x 38mm
Shaft
For adjusting the ground clearance.
Top
Bottom
1mm
Reverse screw
260
Front Upper Rod
2
3 x 22mm
Cap Screw
2
True-to-scale
diagram.
8.5mm
E
E
E
15
Part bags used.
No.6, No.10
20
Chassis
4 x 20mm
TP F/H Screw
4
77
4x20mm
4x20mm
3x10mm
1
2
2
1
3 x 10mm
TP Screw
TP
TP
Assemble in the
specified order.
Assemble left and right
sides the same way.
Ensure smooth non-binding
movement while assembling.
No.6
No.10
2
3 x 12mm
Screw
4
2.6 x 5mm
F/H Screw
2
3 x 4mm
Set Screw
49
49
262
1
2
3x4mm
3x4mm
3x3mm
3x3mm
3x12mm
2.6x5mm
2.6x5mm
51
255
216
51
3x10mm
2
3 x 10mm
Set Screw
2
3 x 3mm
Set Screw
2
5.8mm
Ball
255
2
216
4
51
5.8mm
Ball End (S)
Stabilizer Ball (Silver)
Diameter 2.5mm
19
Front Suspension
S
2.5mm
16
No.9, No.10
No.8, No.9, No.10
23
Center Gearbox
22
Center Gearbox
87
91
88
89
89
220
220
90
91
149
149
3x8mm
3x8mm
4x15mm
4x15mm
3x10mm
3x3mm
3x3mm
Use thick one.
4 x 15mm
TP F/H Screw
4
2
3 x 3mm
Set Screw
91
88
87
Bend the rods
if they contact
the plate.
7mm14mm
Part bags used. Pay close attention here!
No.8
21
Center Gearbox
79
218
79
79
79
263
263
263
78
263
78
78
78
82
218
83
78
78
Center Differential
218
20mm
Disk Plate Bolt
8
79
Brake Pad (Black)
6
78
Brake Caliper
approx. 13mm
Apply rubber type glue.
4
3 x 10mm
TP F/H Screw
2
220
3mm
F/H Washer
4
3 x 8mm
TP F/H Screw
2
TP
13mm
TP
TP
17
No.7, No.10
Note the types
of screws !
25
Steering
58
224
266
56
100
225
225
225
210
101
291
292
3x15mm
3x18mm
3mm
3mm
4x10mm
3x10mm
4x10mm
(Flanged)
1
4 x 10mm
Screw
4
4 x 10mm
F/H Screw
3 x 15mm
F/H Screw
2
3mm
Nut
2
3mm
Flanged Nut
4
266
6.8mm
Ball
6
58
6.8mm
Ball End (L)
291
Tapered Collar
2
3 x 18mm
F/H Screw
4x10mm
4x10mm
Long
Short
Note the
direction.
Remove these screws
and retighten after
installing .
3x8mm
Part bags used. Apply threadlocker
(screw cement).
Pay close attention here!
Assemble left and right
sides the same way.
True-to-scale
diagram.
No.7, No.10
24
Steering
222
223
221
221
221
221
95
265
98
98
99
99
3mm
3mm
3x10mm
3x10mm
4x10mm
4x10mm
Long
Short
2
3 x 10mm
Washer
2
3mm
Flanged Nut
2
99
Steering Pin
2
98
Steering Collar
Note the direction.
Tentatively tighten.
2
4 x 10mm
F/H Screw
4
221
6 x 10mm
Ball Bearing
Reverse screw
1
3 x 10mm
F/H Screw
1
3 x 8mm
Cap Screw
2
56
Torque Rod Ball
4
225
4mm
F/H Washer
1
210
3mm
Head Washer
2
224
Tie Rod
approx. 24mm
100
56
Holes for
mounting.
226
58
Short
2
3x6x2mm
Collar
292
2
2
( )
L
24mm
18
Part bags used. Pay close attention here! Must be purchased separately!
No.3
Use taper collet
included in the kit.
27
Engine
No.3
26
Engine
2
5 x 8 x 0.2mm
Shim
227
110
111
111
112
210
3x10mm
5x8x0.2mm
105
267
107
269
269
269
270
268
270
268
270
270
107
Assemble the following parts
with pulling the crankshaft.
Engine
Engine
Engine
105
1
3 x 6mm
Cap Screw
4
3 x 10mm
Cap Screw
1
110
5 x 20mm
Shim
1
5 x 10mm
Washer
2
111
5 x 10mm
Ball Bearing
3x6mm
5x10mm
5x8x0.2mm
A number and / or type of shim need to be
adjusted depending on the type of engine.
105
1
Tapered Coret
1
107
Pilot Nut
Ensure smooth non-binding
movement while assembling.
268
3 x 5 x 0.2mm
Shim
1
210
3mm
Head Washer
3
The short side of must
be in the groove of .
107
270
105
107270
19
Part bags used. Must be purchased separately!
No.3, No.10
28
Engine
Insert a sheet of paper
before installing.
180
180
4x10mm
4x10mm
4x6mm
4x6mm
Front
4
4 x 6mm
F/H Screw
4
4 x 10mm
Flanged Cap Screw
No.9, No.10
Bend so it fits into the muffler.
Manifold
Nylon Strap
Muffler Joining Pipe
Muffler
Muffler
29
1
4 x 4mm
Set Screw
2
3 x 6mm
F/H Screw
3x6mm
4x4mm
184
185
1
No.8, No.9,
No.10
20
Part bags used.
Note the types of screws !
30
Fuel Tank
Pay close attention here! Must be purchased
separately!
183
121
122
183
123
3x10mm
3x15mm
3x15mm
271
Cut the Silicone Tube, depending
on Engine and Muffler.
2
3 x 15mm
TP Screw
2
3 x 10mm
TP F/H Screw
271
Note the direction for O-ring.
228
No.9, No.10
31
Radio
2
3 x 8mm
Screw
3 x 6mm
Screw (Silver)
1
2 x 30mm
Screw
2 x 20mm
Screw
1
7
2 x 8mm
TP Screw
193
126
125
272
125
127
127
128
129
3x8mm
2x20mm
2x30mm
2x8mm
2x8mm
2x8mm
3x6mm
Switch
Switch
2mm
1
Cut off shaded portion.Drill holes with the
specified diameter.
2mm
TP
TP
O
TP
2mm
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