Redcat Racing XTXB User manual

1/5th Scale 2WD Gasoline Power
Off-road Buggy
Notes:
The radio controlled racing models is not toy. It is suited for experienced operators.Read and
understand the instructions carefully before operating or assembling your racing model.
Specifications are subject to change without prior notice, and actual received model may vary
from the images and/or descriptions in this manual.
14 +
1/5TH
SCALE GASOLINE POWER
OFF-ROAD BUGGY & SHORT COURSE AND MONSTER TRUCK
INSTRUCTION MANUAL
OFF-ROAD BUGGY
MONSTER TRUCK
SHORT COURSE
20101

1
Scissors Wire Cutter Needle Nose Cutter
4-way Wrench(small) 4-way Wrench(large)
Hobby Knife
Sleeve(16mm) Sleeve(23mm)
Hex Wrench
(1.5/2.0/2.5/3.0/4.0/5.0mm)
Engine View
Note:The engine is sticked with warning labels,
please pay special attention on it . The image is
presented for your reference only.
Throttle Lever
to control the fuel
inflowing
Recoil Starter
Off Switch
Clutch Bell
Glow Plug
Air Back Needle Valve
Fuel Inflow Mouth
Air inflow switch
Fuel Composition:
Unleaded Gasoline+Stroke Oil(Gasoline about 75%
+Stroke Oil about 25%),Please mix the two different
fuel to start your engine.
2
Tools For Assembling Your Model
Specifications:(Buggy)
1.Engine:26/30CC
2.Steering Servo:20KG-cm Throttle Servo:9KG-cm
3.Length:760mm
4.Width:460mm
5.Height:280mm
6.Weight:9KG
7.Wheelbase:500mm
8.Drive way:Shaft drive
9.Ground Clearance:40mm
10.Wheels(Diameter /Width):150mm &60mm
11.Fuel Tank Capacity:500CC
12.Drive System:AWD
13.Diffirential System:CNC process metal gear
14.Brake Syetem:double brake disc turn round sytem
15.Gear Ratio:1:8.9
16.Receiver battery/charger:2000/2500mAh,Ni-MH battery
17.Body:anti-explode,high resistance
18.Camber Angel:0-35
19.R/C Control System:2.4GHz RADIO SYSTEM
20.out of Control protection:standard protection equip
Important Safety Precautions
Replace the shield body after adjustment and before driving.
Do not abruptly alter the speed during running.
Carefully check whether all screws or nuts are loose or not after running.
Never measure the fuel close to open fire or any source of heat.
Never run the vehicle without a clean air filter installed.
Do not run the model lean and do not allow the engine to overheat.
Use the special fuel for models.
Store fuel in cool,dry and dark places away from Children's reach!
Tighten the cap of the fuel bottle when not used..
Do not put your finger or any object into the rotating or moving parts.
To avoid the danger of burns, do not touch the engine and muffler immediately after
they have stopped running.
Before Starting Your Vehicle
Verify that all retainers are well fastened (screws, nuts, bolts and clips)
Verify proper function of steering, drive-line and engine/braking control.
Lubricate appropriately all bearings, bushings and maintain proper shock performance.
Always run engine with a clean oiled air filter.
Inspect fuel tank for cracks and/or kinks in silicone tubing. Correct problem if required.
Inspect tune-pipe for damage; make sure it is well fastened to engine/chassis.
Operate radio system with fully charged batteries; perform radio frequency/range check.
Inspect terrain for hard/non-movable objects that may become a hazard for your vehicle.
Provide adequate clearance between your vehicle and your observers.
Do not operate vehicle on public roads, or obtain adequate authorisation to permit usage.
Specifications:(short course)
1.Engine:26/30CC
2.Steering Servo:20KG-cm Throttle Servo:9KG-cm
3.Length:900mm
4.Width:460mm
5.Height:300mm
6.Weight:10KG
7.Wheelbase:500mm
8.Drive way:Shaft drive
9.Ground Clearance:40mm
10.Wheels(Diameter /Width):155mm &72mm
11.Fuel Tank Capacity:500CC
12.Drive System:AWD
13.Diffirential System:CNC process metal gear
14.Brake Syetem:double brake disc turn round sytem
15.Gear Ratio:1:8.9
16.Receiver battery/charger:2000/2500mAh,Ni-MH battery
17.Body:anti-explode,high resistance
18.Camber Angel:0-35
19.R/C Control System:2.4GHz RADIO SYSTEM
20.out of Control protection:standard protection equip
Specifications:(Truck)
1.Engine:26/30CC
2.Steering Servo:20KG-cm Throttle Servo:9KG-cm
3.Length:750mm
4.Width:540mm
5.Height:320mm
6.Weight:10.5KG
7.Wheelbase:500mm
8.Drive way:Shaft drive
9.Ground Clearance:40mm
10.Wheels(Diameter /Width):180mm &110mm
11.Fuel Tank Capacity:500CC
12.Drive System:AWD
13.Diffirential System:CNC process metal gear
14.Brake Syetem:double brake disc turn round sytem
15.Gear Ratio:1:9.6
16.Receiver battery/charger:2000/2500mAh,Ni-MH battery
17.Body:anti-explode,high resistance
18.Camber Angel:0-35
19.R/C Control System:2.4GHz RADIO SYSTEM
20.out of Control protection:standard protection equip
Features:
1.High quality main/diff.gears.
2.Four wheel centre drive system,solid universal joint cups,high performance Full ball bearing
3.Fiberglass brake disc provides quick brake response under high temperature.
4.Fold stylish and solid full anodized aluminum 6061chassis.
5.New design solid roll cage protects the inner instruction perfectly.
6.Enhanced suspension arm system,solid front/rear shock tower.
7.Powerful engine system with air filter.full aluminum polished exhaust pipe.

Diff. Box Exploded View
Don't forget to assemble the O Ring.
50067
50064
50064
50109
07159
50071
50064
50067
50067
4
3
The assembly diagram all in common use unless special remark
Center Diff.Gear Assembly
Front Shock Tower Assembly
Rear Shock Tower Assembly
Diff.Gear Assembly
50084
07145
07145
50081
07159
07148
07172
50104
07182
07171
50086
07159
07146
50079
50079
50080

6
5
Front lower Suspension Arms Assembly
Front Upper Suspension
Arms Assembly
Rear lower Suspension Arms Assembly
Front Upper Top Plate Assembly
Rear Upper Suspension
Arms Assembly
Wing Mount Assembly
Steering Mount Assembly
Rear Hub Carrier Assembly
07173
50084
07168
07168
18mm
50088
07169
50105
07159
50108
07170
50084
07174
07183
07169
50084
07173
07168
07168
49mm
50104
50105 50079
07159
133mm
07174
07137
07117
07138
50108
07151
50079
07136
07150
07136
07143
07133
07126
07126
07126
07134 07179
07179
07133
07131
07130
07132
50080

Front Shock Absorber
Exploded View(short)
Fuel Tank Assembly
Front body post
Assembly(Rally)
Rear body post
Assembly(Rally)
Rear Shock Absorber
Exploded View(long)
Front Shock Absorber
Assembly
Rear Shock Absorber
Assembly
Rear body post
Assembly(Buggy)
78
07172
07171 50079
07172
07171
50084
07171
07183
50085
07183
07169
50084
07102
07103
50079
50079
07113
07124
07114
50080
50080

Steering Servo Assembly
Front Brace Assembly
Center Unit Assembly
Throttle Link Assembly
Engine Assembly
Throttle Servo AssemblyDiff.Gear Group Assembly
910
50084
50088
50100
50202
07169
50099
50092
50088*9
50084*5
51005(Buggy)
51005(Rally)
51005(Truck)
51004(Buggy)
51004(Rally)
51004(Truck)
52028(Buggy)
52028(Rally)
50116(Truck)
50116(Truck)
52027(Rally)
52027(Buggy)
85763
07159
50068
50074
85763
85763
50100
50084
07168 07166
07146
50075
50075
50081
50029N 50024
07164
50081
07159
07147
07129
(Futaba)
07123
Sp2001
Sp9001
07149

Front Unit Assembly(Truck) Front Unit Assembly(Rally)
Rear Unit Assembly(Truck) Rear Unit Assembly(Rally)
Front Unit Assembly(Buggy)
Rear Unit Assembly(Buggy)
Steering link Assembly
Buffer Assembly Servo link Assembly Battery Case Assembly
Side Guard Assembly(R/L)
11 12
07174
31mm
50088*2
50089*2
50088*2
50089*2
07174
07170
07174
50089*2 50088*2
07170
50089*2
50088*2 50088*2
50089*2
50084*4
50088*4
50089*2
50084*7
50087*2
50104
07121
07141

Truck Wheels Complete
Assembly(L/R)
Buggy Wheels Complete Assembly
Rally Wheels Complete Assembly(L/R)
Roll Cage Assembly
Style Wing Assembly(Buggy)
Wheels Complete Assembly(Buggy)
Body Complete Assembly(Buggy)
Wheels Complete Assembly(Rally) Body Complete Assembly(Rally)
Wheels Complete Assembly(Truck) Body Complete Assembly(Truck)
14
13
07176
50084
50084
07177
07177
07177
07170
07170
07170
50086

16
49
48
2
134
57
56
55
56
11
567810
9
13
12
14 15
54 53
51 50
52
35
46
47
45
29 29
13 16 17 18 19 20 21
40
38
37
36
34
33
32 39
25
41
24
23
22
26
27
42
31
44
30
43
28
1.25058-Ait Cleaner Cover
2.25002-Washer
3.25003-Spring
4.25004-Gear Friction
5.25005-Washer
6.25006-Sunk Screw
7.25007-Clutch Connector
8.25008-Flange Screw M5*55
9.25009-Clutch Cover
10.25010-Oil Seal
11.25011-Shim
12.25012-Crankcase
13.25013-Ball Bearing
14.25014-Crankcase Filling Piece
15.25015-Crank Group
16.25016-Oil Seal
17.25017-Flange Screw
18.25018-Flywheel
19.25019-Half Month Key
20.25020-Flange Nut
21.25021-Gear Fan Cover
22.25022-Screw
23.25023- Starter
24.25024-Flange Screw
25.25025-Stop Switch
26.25026-Screw
27.25027-Glow Plug
28.25028-Cylinder Complete
29.25029-Screw
30.25030-Flange Screw
31.26004/30004-Cylinder
32.26002/30002-Piston Curl
33.26003/30003-Piston
34.25034-Piston Pin
35.25035-Circlip
36.25036-Cylinder ring
37.25037-Needle Bearing
38.25038-Elastic ring
39.25039-Gasket
40.25040-Lgniter
41.25041-Flange Screw
42.25042-Flange Screw
43.25043-Damper
44.25044-Damper Pad
45.25045-Air Inlet Pad
46.25046-Branch Pipe
47.25047-Carburetor Pad
48.25048-Flange Screw
49.25049-Carburetor
50.25050-Filtration Pad
51.25051-Air Cleaner
52.25052-Air Cleaner Foundation
53.25053-Nut
54.25054-Flange Screw
55.25055-Mesh
56.25056-Sponge
57.25057-Air Cleaner Cover
Engine Diagram(26CC/30CC)
Off-road Monster Truck Buggy Common Parts-1& &short course
1P 2P 2P
2P 2P2P
2P2P 2P 2P
1P 2P 1P
1P 2P 1P
1P
1P
1P
1P
07104-Front Lower
Suspension Arm(L/R)
07105-Rear Lower
Suspension Arm(L/R)
07110-Front Shock Tower 07111-Rear Shock Tower
07108-Gear Box
07109-Side Guard(L/R) 07112-Front Upper
Suspension Arm(L/R)
07114-Fuel Tank
07113-Rear Top Plate
07123-Servo Set 07124-Fuel Tank Post07122-Diff.Mount Set
07117-Steering Mount(L/R) 07118-Diff.Mount Set L/R 07120-Buggy Wing Stay(L/R)
07121-Steering Rocker
07101-Chassic 07102- Front Shock Absorber 07103- Rear Shock Absorber
07106-Steering link 07107-Rear upper link
AL. AL.
Plastic Plastic
07119-Body Post
For buggy only
07115-Bumper 07116-Front Upper Top Plate
1P 1P 1P 1P
1P 1P 1P
15

1P
1P
2P
2P
2P
2P 1P
2P 2P 1P 1P
4P 2P 1P 2P
2P 2P 1P
1P
1P
2P 1P 2P
18
17
1P 6P
Off-road Monster Truck&Buggy Common Parts-&short course 2
07147-Diff. Gear(30T)
steel
07146-Centre Dogbone
Joint Cup
07145-Diff.Joint Cups
07127-Streeing Mount
(L/R)
07132-Front Lower Sus.
Arm Holder (A)
07130-Front Lower Sus.
Arm Holder (B)
07131-Rear Lower Sus.
Arm Holder (C)
07134-Front Upper Sus.
Arm Pins 6*60
07133-Front/ Rear Lower Sus.
Arm Pins 6*90
07128-Roll Cage
07144-Universal Drive Joint
New length:128mm
Old length:130mm
07148-Diff. Gear(11T)
steel
07126-Adjust Bushes
(centre)
07125-RadioTray
07129-Centre Diff.Mount
07135-Gear Mount 07136-Wheel Mount
07137-Front Lower Sus.
Arm Pins 5*47.8
07138-Rear Lower Sus.
Arm Pins 5*62.8
07140-Rear Stabilizer bar07139-Front Stabilizer bar
07141-Buffer Aluminium
Mount
07142-Buffer Post 07143-Rear wheel Axle
1P
1P 1P1P
1P
2P
2P
1P
6P
2P 2P 6P 1P
4P
1P
26001-Engine (
26CC PRO)
4P
81013-Body Clips
3P
Off-road Monster Truck&Buggy Common Parts-&short course 3
07061-Front Bumper
07363-Rear Bumper
07364-Wheels Complete
(L/R)
07362-Front Bumper
For truck only
07065-Wheels Complete
(L/R)
07060-Body post
07149-Engine Fix Post(AL.) 07150-Streeing Ball
Length:13mm
(AL.) 07151-Front Sus.Arm Ball
(AL.) Length:12mm
07152-Shock lower Ball
Length:10mm
(AL.)
07153-Shock Upper Ball
(AL.)
07154-High IntensityWing 07155-Wheels Complete
For buggy only
07156-Rear Dogbones
New length:133mm
Old length:131mm
07157-Center Front Dogbones
length:152mm
07158-Center Rear Dogbones
length:162mm:
07159-Bearing 19*10*5 85763-Bearing 16*8*5
4P
2P
1P
4P 2P
8P
2P
2P 4P
For truck only
For truck only
For short course
only
07166 07179-Adjust Bushes
(side)
07180-Front Lower Sus.Arm
Pins(screw thread) 5*50.5
07181-Rear Lower Sus.Arm
Pins(screw thread) 5*66
For buggy only
For short course
only
For short course
only

50064-Front/Rear Diff.Shell
Set
50066-Diff. Gear Cover
50067-Front/Rear Diff.
Gear Set
50074-Diff.Drive Pinion
(10T)
20
19
50023-Brake Discs+Pads
+Pins
50022-Deck Spacer
+ Countersunk Screw
50024-Diff.First Way Shaft
+Second Way Shaft
1P
50037-Brake Cam Set
50043-Sus. Arm E- Clips
Sp2701-Steering Servo(27kg) Sp2001- Throttle Servo(20kg)
07167-Servo horn and Throttle
Linkage Set
4.0
50051-Chargeable Battery
Pack(6V 2000MA)
Sp9001- Throttle Servo(9kg)
50027-Diff. Gear(35T)
50006N-Battery/Receiver
Case
50071-Front /Rear Crown
Gear(33T)
51004-Diff. Gear(31T)
51005-Diff. Gear(29T)
52028-Diff. Gear(26T)
50116-Diff. Gear(25T)
52027-Diff. Gear(24T)
10mm
X3
2P
1P
1P
Off-road Monster Truck&Buggy& Common Parts-short course 5
12 P
12P
8P
50085-Countersunk
Mechnical Screw(4*16)
50084-Countersunk
Mechnical Screw (4*12)
50086-Countersunk
Mechnical Screw(4*20)
4P
12P
50089-Countersunk
Mechnical Screw(5*15)
50092-Countersunk
Mechnical Screw(5*25)
8P
50087-Countersunk
Mechnical Screw(4*25)
50088-Countersunk
Mechnical Screw (5*12)
12P
12P
07168-Countersunk
Mechnical Screw (4*8)
8P
50100-Cap Head
Mechnical Screw(3*10)
8P
8P
07169-Cap Head
Mechnical Screw(4*12)
8P
8P
07170-Cap Head
Mechnical Screw(4*16)
8P
07171-Cap Head
Mechnical Screw(4*20)
8P
8P
4P
4P
50104-Cap Head
Mechnical Screw(4*25)
50105-Cap Head
Mechnical Screw(4*30)
07172-Cap Head
Mechnical Screw(4*35)
4P
8P8P8P8P8P8P8P
07173-Cap Head
Mechnical Screw(4*60)
50106-Cap Head
Mechnical Screw(5*15)
07174-Cap Head
Mechnical Screw(5*13)
07175-Cap Head
Mechnical Screw(5*20)
50202-Column Head Hex.
Self-tapping Screw(3*16)
4P
10 P
10P
4P
12 P
1P 1P
2P 1P
1P 1P
8P 1P
1P 1P
1P 1P
1P 1P
1P 1P
1P 1P
1P 1P
1P 4P
1P 3P
3P
50097-Column Head
Mechnical Screw(5*35)
07176-Column Head Hex.
Self-tapping Screw(4*16)
12P 6P
Off-road Monster Truck&Buggy Common Parts-&short course 4
4P
07183-Cap Head
Mechnical Screw(5*28)
07184-Optional Powder
Steel Gear (35T)
07185-Optional Powder
Steel Gear (31T)
07186-Optional Powder
Steel Gear (29T)
07187-Optional Powder
Steel Gear (26T)
07188-Optional Powder
Steel Gear (25T)
07189-Optional Powder
Steel Gear (24T)

22
21
50099-Column Head
Mechnical Screw(6*40) 4P
50079-Nuts(M4)
50081-Nuts(M6)
7P
54031-Nuts(M3) 6P
50107-Hex Head
Grub Screw(6*6)
50108-Hex Head
Grub Screw(5*5)
50109-Hex Head
Grub Screw(4*4)
50110- Hex Head
Grub Screw(3*3)
50111-Hex Head
Grub Screw(5*10)
50078-Servo Washers
3*8*0.8MM
50076-First Way Gear
Washer
8*15*1.5MM
50077-Second Way Gear
Washer
6*12*1.5MM
07177-Second Way Gear
Washer
6*16*1.0MM
2P
2P
1P
1P
1P
710016-Rear Shock
Absorber (long) (AL.)
710015-Front Shock
Absorber(short) (AL.)
2P
710004-Front Shock Tower
710005-Rear Shock Tower
710001-Center Diff. Mount 710002-Front Upper Sus.Arm 710003-Front Upper Top Plate
710006-Rear Alxe Mount
710010-Steering Mount(L/R) 710011-Steering Rocker
710007-Diff.Mount Set 710008-Servo Set
710012-Buggy Wing Stay(L/R)
710009-Rear Top Plate
710013-Streeing Mount
(L/R) 710014-Roll Cage
710019-Front Lower Sus.
Arm Holder
710017-Front Lower Sus.
Arm Holder
710018-Rear Lower Sus.
Arm Holder
710021-Diff.Joint Cups 710022-Centre Dogbone
Joint Cup
710020-Rear wheel Axle
Upgradable Optional for Monster Truck&Buggy&short course
4P 6P
8P 8P
8P 6P
4P 4P
8P 8P
6P
6P 9P
2P
1P 2P 1P
1P
1P 1P 1P
2P
1P 1P 2P
1P
1P 1P 2P
07178-Second Way Gear
Washer
4*10*1.0MM
6P
50075-Centre Diff. Gear Set
50029N-Clutch Bell Bush
07182-Countersunk
Mechnical Screw(5*22)
1P 1P
1P 4P
Off-road Monster Truck&Buggy Common Parts-&short course 6
30001-Engine(30CCPRO)
(AL.)
1P
1P
54026-Exhaust pipe+
Silicone Joint Tubing
07190-Front Brace Holder
07191-Rear
Brace Holder
For Buggy Only
For Buggy Only
2P
2P

1P
1P
1P
4P 1P1P 1P
1P
2P
(AL.)
050023-Servo Horn
(AL.)
(AL.)
23
710023-Center Dogbone
(AL.)
050032
(AL.)
710024-Center Dogbone
(AL.)
Upgradable Optional for Monster Truck&Buggy&short course
1P