Royal Enfield Thunderbird 350 User manual

FOREWORD
We congratulate you on your choice of the legendary Royal Enfield motorcycle and welcome you to the exciting
world of motorcycling. The THUNDERBIRD 350-ES, the ultimate highway cruiser now comes with a solid engine,
a bigger tank, ergonomic seating and a powerful projector headlamp. This manual will help you to operate
your motorcycle the right way and guide you to maintain it meticulously. We have also provided tips on safe
riding and on minor adjustments for the care of your motorcycle. Please avail the four free & five paid services
at the nearest Royal Enfield Authorised Dealer / Service Center, at the appropriate time to maintain your
motorcycle in top riding condition. Log on to the exciting world of Royal Enfield on www.royalenfield.com to get
to know more about the company, its products and exciting news from time to time. We request you to carefully
read the terms and conditions of warranty and other useful information given in this manual before starting to
use your Thunderbird 350-ES.

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Part No. RAM00047/A / Qty. 4000 / Nov. ‘18
All information in this manual is based on the latest product information available at the time of publication.
Due to continuous improvements, there may be discrepancies between the information in this manual and your
motorcycle. Royal Enfield reserves the right to make production changes at any time without prior notice and
without incurring any obligation to make the same or similar changes to motorcycles previously built or sold.
All images shown are for reference to explain and need not to be exactly the same on the model you own.
Technical specifications are subject to change without prior notice.
“© Copyright 2018 Royal Enfield (A unit of Eicher Motors Ltd.). All Rights Reserved. No part of this manual shall be
copied, distributed or otherwise dealt without the express permission in writing of Royal Enfield”.
NOTICE
NOT E: BS IV
T h i s m o t o r cy c l e m e et s E m i s s io n N o r m s -
B h a r a t ( Tr e m ) S t a g e - I V
D i s c l a i m e r
Following precautions are to be taken, to ensure longer
paint life of your motorcycle.
1. Do not polish your motorcycle as it increases gloss.
2. Wash only with plain water.
3. Scratches or marks cannot be removed or touched up.
Applicable for Stone Black Colour / Matt Paint Finish
NOTE: Warranty is not applicable for Stone Black Colour /
Matt paint finish due to uniqueness of the paint.
C o n ta c t Us :
Royal Enfield Support : 1800-2100-007
Email : [e-mail]
Twitter : @RoyalEnfieldSupport
Web : www.royalenfield.com

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CONTENTS
Personal and Motorcycle Information 4
Technical Specifications 5
Recommended Lubricants 8
Safety Definitions 9
Motorcycle Identification Numbers 10
Location of Key Parts 11
Operation of Controls 14
Pre-Operational Checks 23
Safe & Happy Riding 24
Running in Period 25
Warning Indication & Safety Systems 26
Starting 29
Gear Shifting, Riding & Stopping 30
Parking 31
Periodical Maintenance Chart 32
Tools & First Aid kit 35
Wheel Removal & Assembly 36
Minor Maintenance Tips 40
Long Trip Precautions 54
Washing Procedure 55
Storage Precautions 56
Trouble Shooting 57
Warranty Terms & Conditions 59
Emission Warranty 61
EVAP 64
Environment Care 66
Service Coupons 68
Paid Service & Maintenance Record 87
Regional & Area Offices 89
Authorised Dealer Address 90
Notes 116
A n n e x u r e s
Motorcycle Installation Form
Motorcycle Installation Confirmation By Customer

4
PERSONAL & MOTORCYCLE INFORMATION
Name
Door No./Street
Locality
City State Pin
Contact Nos. Res: Off: Mobile : Email :
Engine No. Battery No.
Frame No. Battery make
Reg. No. Licence No.
Date of Sale Valid till dt.
Model Key No. :
Tyre make Colour
Sold by Dealer Code
Motorcycle Installation Form (MIF) No.

5
ENGINE
Engine Type ............. Single Cylinder 4 Stroke,
............................. Twinspark, Air cooled
Bore ............................ 70mm
Stroke ......................... 90mm
Swept volume .......... 346cc
Compression ratio . 8.5:1
Max Power .....................
19.8 bhp @ 5250 rpm
Max Torque ....................
28 Nm @ 4000 rpm
Idle RPM .................... 1050+200
Starting ...................... Kick Start / E-Start
Air filter element .... Paper element
Lubrication ............... Wet sump
Engine oil capacity 2.75 litres (First Fill only)
............................. 2.30 to 2.50 litres (subsequent refills)
Engine oil grade .... Royal Enfield 15W50 API SL
............................. Grade & above, (JASOMA2)
Fuel Supply ...............
29mm, Constant Vacuum Carburetor
Cooling ...................... Natural air flow
IGNITION SYSTEM
Ignition system ........ Digital Dual Spark Ignition,
............................. TCI System
Spark plug Electrode gap
WQR8DC : 0.80 to 0.90 mm
............................. UR6DC : 0.70 to 0.80 mm
Spark plug ............... WQR8DC M14 (Bosch) &
............................. UR6DC M10 (Bosch)
TRANSMISSION
Clutch ......................... Wet multiplate (6 plates)
Primary drive .......... Duplex chain
Primary ratio ........... 2.15 : 1
Gear box .................. Constant Mesh, 5 Speed
Gear Ratio ................ 1st 3.06:1
............................. 2nd 2.01:1
............................. 3rd 1.52:1
............................. 4th 1.21:1
............................. 5th 1:1
Final drive ................ 16 Teeth (Sprocket)
Final Ratio ................. 2.375:1 2.375:1
Drive Chain links .... 102 links

6
CHASSIS
Frame.........................
Single down tube, Using engine
................................. as stressed member
Suspension
Front .................... Telescopic, 41mm forks,
............................. 130mm travel
Rear .................... Rigid oval section swing arm
............................. Twin gas charged shock-
............................. absorbers with 5 step adjus-
............................. table preload, 80mm travel
Brakes ........................ Hydraulic Disc Brakes Front
............................. & Rear with ABS System
Front: .................. 280 mm dia disc with twin
............................. piston caliper
Rear: ................... 240 mm dia disc with single
............................. piston & floating caliper
Tyre size
Front .................... 90 / 90 - 19” - 52 P
(Thunderbird X) 90 / 90 - 19” - 52 P TUBELESS
Rear .................... 120 / 80 - 18” - 62 P
(Thunderbird X) 120 / 80 - 18” - 62 P TUBELESS
Tyre Pressure
Solo
Front .................... 20 psi/1.41 kg/cm2
Rear .................... 30 psi/2.11 kg/cm2
With Pillion
Front .................... 22 psi/1.55 kg/cm2
Rear .................... 32 psi/2.25 kg/cm2
Tyre Non Skid Depth (Thunderbird X)
Front .................... 5.0mm
Rear .................... 6.8mm
Steering lock ............ In built
Fuel tank capacity .. 20 litres approx. *
Low fuel warning ... Last bar blink system
............................. 5.5+0.50 litres approx.
Dead stock of Petrol 0.5 litre approx.
(unusable fuel)
* The above values are approximate and the actual fuel filling
capacity will vary from the values mentioned.

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Values / Dimensions given above are for your guidance only.
In view of continuous improvements being done on our products,
the specifications are likely to change without prior notice.
W A R N I N G
Using bulbs / other electrical gadgets other than specified
rating may lead to over loading / erratic behaviour / premature
failure of electrical system.
Modifications on the motorcycle which are not approved by
Royal Enfield may not only disqualify for warranty, but also
affects performance of the motorcycle.
ELECTRICALS
Generation ............... Alternator
System : E-Start ....... 12V - DC
Battery : E-Start ...... 12V - 8 AH MF
Head lamp .............. Projection type,
............................. Main Beam - 12V, H7 55W
............................. Dipped beam - 12V, H7 55W
Position indicator .... LED, 12V X 1 No.
Brake/Tail lamp .....
LED lamp with position light guides
Hi beam indicator . LED, 12V X 1 No.
Neutral indicator ..... 12V-1.12W X 1 No.
Turn signal indicator LED, 12V X 2 Nos.
Turn signal ............... 12V, R10W X 4 Nos.
Horn ............................ 12V, 2.5 Amp (Max.)
Starter Motor ........... 12V, 0.7 KW
Instrument Cluster .. Digital cluster with LCD panel
Low fuel indicator .. LED, 12V X 1 No.
ABS indicator ........... LED, 12V X 1 No.
DIMENSIONS
Length ................................ 2060 mm
(Thunderbird X) 2040 mm
Width .................................. 790 mm (Without Mirrors)
(Thunderbird X) 830 mm (Without Mirrors)
Height ................................ 1205 mm (Without Mirrors)
(Thunderbird X) 1140 mm (Without Mirrors)
Wheel base ...................... 1350 mm
Ground clearance......... 135 mm
Saddle Height ................. 775 mm
WEIGHTS
Kerb weight (90% fuel&oil)195 Kgs.
Max. Pay load ..................... 155 Kgs.

8
RECOMMENDED LUBRICANTS
Capacity 2.75 Ltrs. (First Fill only )
2.30 to 2.50 Ltrs. (during oil & filter
element replacement in periodical
maintenance)
I SO 1 4 0 0 1 O pe r at io n Co nt ro l Pr oc es s
As per the guidelines in the ISO 14001 Environmental Management
System, customers are advised to carry out timely replacement of
Engine, Front Fork and Brake oils, ONLY through a Royal Enfield
Authorised Dealer / Service Center for the safe disposal of the
used oils to prevent Environmental pollution.
In case the oils are replaced privately, it is advised to ensure the
old/ removed oils are collected carefully and reached to a certified
disposal agency, nearest to you to safely disposing the oils.
Similarly, hazardous wastes such as old/discarded Batteries, Tyres,
Tubes, Cables, Gaskets, Oil filters etc. should also be disposed off
carefully and properly only through a certified disposal agency.
C A U T I O N
Use of Wrong grade oil will reduce the life of the moving
parts and seriously affect performance
NOTE
Recommendation subject to change without notice.
E ng i n e Oi l
Grade Royal Enfield 15 W 50 API SL
Engine Oil
(JASOMA 2)
DO NOT Mix DOT 4 & other brake fluid together.
Front Fo rk O i l
Grade Royal Enfield Front
Fork Oil (or
Gabriel Fork Oil
2w 35)
Capacity 430 ml/leg
B r a ke F l u i d
Capacity Fr. 60 ml
Rr. 100 ml
Grade DOT 4

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The information given under the titles : Warning, Caution and Note are for your safety and for the
care and safety to your motorcycle and others. Please read these carefully and if disregarded may
result in injury to yourself or others and damages to the motorcycle.
W A R N I N G
Indicates a potentially hazardous situation. Disregarding this message may result in injury to rider
or other p er sons .
C AU T I O N
This message if disr egarded m ay result in damage to the motorcycle.
NOTE
Indicates important and useful m es sages f or clearer under standing.
All Images shown in subsequent pages are for reference to explain and need not to be exactly the
same on the model you own.
SAFETY DEFINITIONS

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MOTORCYCLE IDENTIFICATION NUMBERS
FRAME NUMBER
Punched on steering head tube right side.
ENGINE NUMBER
Punched on crankcase left top side.

11
LOCATION OF KEY PARTS
1
2
3
4 5 6 7 8 9
10
11
1
2
3
4 5 6 7 8 9
10
11
1. Turn Signal Switch
2. Horn Button
3. Clutch Lever
4. Day Flash Switch
5. Head Lamp Dip Switch
6. Speedometer
7. Ignition Switch
8. r/min. (Tacho) Meter
9. Engine Kill Switch
10. E-Start Switch
11. Fuel Tank Cap
THUNDERBIRD THUNDERBIRD X

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LOCATION OF KEY PARTS
2
1
653
4
1. Right Trafficator Rear
2. Right Trafficator Front
3. Brake Pedal
4. Starter Motor
5. Air Filter Box (Side Panel)
6. Utility Box (Tool Kit)
2
1
653
4
THUNDERBIRD THUNDERBIRD X

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LOCATION OF KEY PARTS
1
2
12 11 10 69 7 5
1. Left Trafficator Front
2. Utility Box (Fuse Carrier)
3. Tail Lamp
4. Left Trafficator Rear
5. Canister
6. Battery Cover
7. Center stand
8. ABS Module
9. Side Stand
1
2
12 11 10 6
975
4
4
THUNDERBIRD THUNDERBIRD X
8
10. Spark Plug
11. Gear Change Pedal
12. Horn
3
3

14
OPERATION OF CONTROLS
STEERING LOCK
Turn the handle bar to extreme left
or right position.
Push the key inside in “OFF” position,
press and further turn to
anticlockwise direction to lock the
steering system.
Push the key in stee ri ng lo ck
Po si ti on , an d t urn cl oc kw is e
direction to unlock the steering.
SIDE PANEL LEFT / BATTERY COVER
Turn anti clockwise to open
Pull the side panel outside for
opening the same.
SIDE PANEL RIGHT
Unscrew the indicated screw and
then pull the side panel for opening
the same.
IGNITION SWITCH
OFF ON
FUEL TANK CAP
Turn key clockwise to open.
Press cap to lock with key in
position.

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1. Fuel Tank Mouth
2. Splash Arrestor
3. Maximum Fuel Level
2
1
3
W A R N I N G
Do not overfill the fuel tank. Fill upto maximum fuel
level & stop filling when the fuel reaches the bottom of
Splash Arrestor. Failure to do so will lead to canister
damage Or can cause fuel spill out of fuel tank.
Petrol is highly explosive. Please ensure there are no
open flames or sparks nearby while refueling and fill
fuel tank only in a well ventilated area.
Please ensur e petrol does not spill on painted
surfaces. Wipe immediately incase fuel spills over as
otherwise it will leave a permanent stain on the
painted surfaces.
OPERATION OF CONTROLS
FUEL TANK

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ENGINE STOP SWITCH
Engine OFF Engine ON
OPERATION OF CONTROLS
C AU T I O N
Turn off ignition switch when engine is not in
running condition. Failure to do so will discharge
the battery due to continuous headlamp ON.
NOTE
Key is com mo n for ignitio n, petrol tank cap,
steering lock, battery cover and tool boxes.
Key can be removed only in locked position from
fuel tank, Filter box, Electrical boxes locks in “OFF”
position from Ignition switch.
Turn handle bar to extreme left, before attempting
to lock steering.
DIMMER SWITCH
High beam Low beam
HORN
Press
E-START SWITCH
Depress & hold till engine
starts

17
C AU T I O N
Choke should be used only to start engine in cold
climates (less than 200C) or first time in the morning.
Riding with the Choke “ON” will result in Engine
Misfiring, Erratic behaviour, High fuel consumption,
and increased Emission values.
TURN SIGNAL SWITCH
OFF (Push to off)
Right turn signal ON
Left turn signal ON
ON OFF
CHOKE
DAY FLASH
Press for Head Light Flash
FUEL TAP
OFF
Main ON
Reserve ON

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OPERATION OF CONTROLS
DIGITAL INSTRUMENT CLUSTER
1. Speedometer
2. r/min. (Tacho) Meter
3. Alpha-Numeric Display Unit
4. Select Button
5. Set Button
N
SIDE DECOR
Remo ving left o r rig ht s ide
decor 4 mm allen key is used.
RIDER & PILLION SEAT CABLE LOCK
There are 2 cable hooks, Black
& Yellow on right side of the
battery (below the hook, Index
mark “R” - Rider & “P”-Pillion).
For TBX singl e cabl e hook
provided.
The allen key is located in the
battery carrier rubber strap (as
shown in fig.).

Turn Signal Indicator Left
High Beam Indicator
Turn Signal Indicator Right
Low Fuel Indicator
Neutral Indicator
Low Battery Indicator
ABS Tell Tale
3
1 2
45

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OPERATION OF CONTROLS
INSTRUMENT CLUSTER DISPLAY PATTERN




ODOMETER KM & TIME (AM/PM)
PRESS SET SWITCH > 3 SEC.
CHANGE TIME
1. PRESS SET SWITCH FOR TOGGLE BETWEEN HOUR & MINUTE
2. PRESS SELECT SWITCH FOR INCREMENT
3. PRESS SET SWITCH TO FIX THE TIME
RESET VALUES OF TRIP ‘A’ TO ZERO AND AVG SPEED TO ZERO
RESET VALUES OF TRIP ‘A’ AND AVG SPEED TO ZERO
RESET VALUES OF TRIP ‘B’ TO ZERO AND AVG SPEED TO ZERO
RESET VALUES OF TRIP ‘B’ AND AVG SPEED TO ZERO




PRESS SET
SWITCH > 1 SEC.
TRIP ‘A’ KM & TIME (AM/PM)
TRIP ‘A’ KM & AVG SPEED (TRIP ‘A’) KMPH
TRIP ‘B’ KM & TIME (AM/PM)
TRIP ‘B’ KM & AVG SPEED (TRIP ‘B’) KMPH
PRESS SET SWITCH > 3 SEC.
PRESS SET SWITCH > 3 SEC.
PRESS SET SWITCH > 3 SEC.
PRESS SET
SWITCH > 3 SEC.
PRESS SET
SWITCH > 1 SEC.
PRESS SET
SWITCH > 1 SEC.
PRESS SET
SWITCH > 1 SEC.