Sunra Miku Max Operator's Manual

Jiangsu Xinri E-vehicle Co.,Ltd.

No.501 Xishan Road, Anzhen，Xishan District ,Wuxi, Jiangsu Province, P.R.China

www.sunraev.com www.mikuev.com

Email: [e-mail] Tel: [phone]

Cool to be cool

Miku Max

Operator’s Manual

Electric Scooter

Powered by Sunra EV

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

TABLE OF
CONTENTS

SECTION 01

SECTION 02

SECTION 03

SECTION 04

SECTION 05

SECTION 06

SECTION 07

SECTION 08

Safety Guidelines-definitions

General Precautions

The Manual Of Smart Chip Charger

Performane

Fast Assembly

Pre-ride Checklist

Power Pack & Charging

Maintenance Tips

WARNING!

Read and understand all safety precautions in this manual before operating.

Failure to comply with instructions in this manual could result in personal injury,

property damage, and/or voiding of your warranty.

WARNING!

It is your responsibility to know and obey all applicable local, state, and federal

laws at all times while operating this electric scooter including but not limited to

traffic safety, vehicle registration, emissions, and noise.

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Safety Guidelines-Definitions01

This manual contains important information that you need to know and understand in order to protect
YOUR SAFETY and to PREVENT EQUIPMENT PROBLEMS. The following symbols help you recognize this
information. Please read the manual and pay attention to these sections.

DANGER: Damages indicate a certainty or strong possibility of personal injury or death if

instructions are not followed.

WARNING: Warning indicates a strong possibility of equipment damage or possibility of
personal injury if instructions are not followed.

CAUTIONS: Cautions indicates a possibility of equipment damage if instructions are not
followed.

WARNING! Improper operation or maintenance of this scooter could result in serious injury and property
damage. Read and understand safety instructions tips and operating instructions before using this scooter.
Always obey all applicable local, state, and federal laws when operating this scooter.

Save These Important Safety Instructions!

Read and understand all of these safety instructions. Be sure to retain them for future use.

General Precautions02

Read and follow all instructions in the manual of MIKU products, before attempting to operate this scooter. Don’t
discard this Operator’s Manual, or any other material or documentation included with this scooter.

Modifying the scooter and/or removing original equipment and/or safety decals could make this scooter unsafe for operation.

Replace any safety decals that become unreadable or detached from the scooter. Decals provide critical warning
about potential hazards or safety requirements.

Traffic safety

Always follow the entire pre-ride
checklist prior to starting or
operating the scooter.

Always obtain mature, supervised
instruction and sufficient practice
in an uncongested area before
this scooter on any public
thoroughfare.

Your safety while riding this scooter depends entirely on your
ability to exercise proper judgment. You must be of sufficient
age,understanding,mental capacity,and physical capability to
safely operate this scooter.

Above

16

Excessive vehicle speed is a leading cause
of accidents, which can cause death or
serious harm to you, other people,
and/or property.Always obey all
applicable traffic safety laws while
operating this scooter, being sure
to account for current weather and
traffic conditions and slow down if necessary.

Don’t

01/02

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Traffic safety

Use extreme caution when riding

on wet, slippery, rough, or sloped

terrain. There is an increased risk

of loss of control, which can

result in injury,death, and/or

property damage.

Stop the scooter and shut off the motor

immediately if the scooter makes unusual

noises or vibrations. Check the

scooter for damage. Excessive

noise or vibration is a sign

of loose or worn parts.

Never operate scooter while under the

influence of alcohol, drugs or medication

of any kind. Such operation is dangerous

to yourself and/or others and may be

illegal in your location.

Use extreme caution when riding on

wet, slippery, rough, or sloped terrain.

There is an increased risk of loss of

control, which can result in injury,

death, and/or property damage.

Never use this scooter to perform

any type of racing, stunt riding,

jumps, spin-outs, donuts, or

other maneuvers. You could

kill or injure yourself or others

and/or cause property damage.

Check tire pressure before operating

the scooter using a property

calibrated tire air pressure gauge.

03
The manual of smart chip charger

Instruction

1

The charger should be matched with the alternating voltage of local power supply before connecting charger.

2

The charger is designed and tested for original battery from manufacturer. Do not use them for the other
mismatching batteries.

3

The charger is tested and matched with its scooter. If the charger is used on other scooter, it might make different
charging effect and/or cause battery damage.

4

Please connect charger and scooter before connect to local power supply, while you are going to charge the
battery. Please disconnect the charger from local power supply while the battery is fully charged. Don’t
disconnect charger and scooter while the charger is connected with local power supply for safety reason.

5

Do not violently shake the charger. It might cause damage of the charger.

03/04

DESIGNED BY MIKU TEAM

6

Keep the charger away from any water, dust or high temperature.

7

The charger creates the heat while working. It should be stored in well ventilated place and keep away from
any inflammable things.

8

Keep it away from children.

9

If any wire or shell was broken, Please send it to the professional repairing service. Don’t open or repair it
yourself. This action will cause danger and lose warranty of the charger.

10

The charger is designed and made for electric scooter battery charging use. Don’t make it for other use.

11

Any incorrect usage which does not follow this instruction will lose guarantee from seller.

children

DESIGNED BY MIKU TEAM

Using direction

1

While the charger is connected with battery,green light is turned on to indicate the testing status of charging.

2

While the charger is connected to 110V/220V/250V local AC power supply,the green light turns to red to indicate
charging status.

3

After 4-6 hours charging, the red light turns to green to indicate the battery charging is finished.

4

While the charging is finished, the charger will cut off power from AC power supply automatically.

05/06

DESIGNED BY MIKU TEAM

performance

04

The performance of an electric scooter is different from gasoline engine driven or human powered vehicles.
It’s very important to understand how the MIKU electric scooter works before riding.

Riding distance of per charge

More Less

Route

low Speed High Speed

Fewer Stops

Flat

Smooth Pavement

Rider

Modulated Riding

Streamlined

Reduced Cargo

Stop & Go

Elevation Changes

Soft Gravel

Aggressive Riding

Fully Upright

Heavier

DESIGNED BY MIKU TEAM

Weather

Warm Weather Cold Weather

No Wind

Dry Roads

Scooter

Inflated Tires Underinflated Tires

Balanced Power Pack

Test condition: New vehicle with new battery, Temperature at 20°C, No wind, All lights (on the scooter) off,
loading weight at 75kg, standard pressure.

Riding habit, Road conditions, environment and temperature might shorten the riding distance of per charge.

Tire pressure and loading weight shorten driving distance of per charge.

The riding distance of per charge might shorter in Winter because of battery’s peculiarity.

Riding distance of per charge will be shortened by battery lifetime loss.

High Head Winds

Slippery Roads

Unbalanced Power Pack

07/08

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

05
FAST ASSEMBLY

You can prepare for your first riding after simple 2-step assembly.

1 2

Step : Fasten mirrors on the fixing holes

at steering bar and tighten with a wrench.

Step : Adjust mirrors in proper position.

Pre-Ride Checklist06

WARNING! Always perform the entire pre-ride checklist before using the scooter as this can
help you spot problems that could interfere with safe scooter operation. Failure to follow this
entire checklist before every ride can cause death, serious injury, and/or property damage
to yourself and/or others.

Ignition switch

Front brake lever

Throttle grip

Turn signals

Headlight

780mm

Dashboard

Rear brake lever

1065mm

1685mm

Mirror

Left switch

Right switch

Storage case

Battery case

Footstep

Side stand

09/10

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Ignition Switch

OFF Position

This position is used to turn the scooter
OFF, disabling the electrical system.

ON Position

This position is used for operating the scooter.
Install the key and turn clockwise.At this position
the following sequence occurs:
Lights turn ON Dashboard turns ON

To operate the steering lock:

Turn the handlebar all the way to the left.
With the key in the OFF position, push the
key down and turn the key counter-clockwise.

To unlock the steering lock:

Install the key and turn clockwise.

3

1

1

2

Alarm

Sound the alarm for tracking position
of the scooter.

2

Lock

Turn on anti-theft system.

3

Unlock

Turn off anti-theft system.

Brake Levers & Throttle

5

Ⅰ

Ⅱ

Ⅲ

巡航

Rear brake lever : When stopping the scooter, squeeze the left brake lever smoothly and firmly to engage the

5

6

7

rear brake.Always engage the rear brake first.

Front brake lever : Squeeze the right lever to engage the front brake. The right lever must be squeezed gently

6

at first to avoid locking the front wheel.

Throttle grip : The rotary throttle grip is on the right handlebar.Accelerate by rotating the throttle towards

7

you. Decelerate by rotating the throttle away from you. The throttle includes a safety spring that snaps the throttle
back to end when released.

DANGER!

Use extreme caution when engaging the front brake to avoid locking the front wheel.
Locking the front wheel can cause a serious accident.

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DESIGNED BY MIKU TEAM

Ⅰ

Ⅱ

Ⅲ

巡航

km

TRIP
ODO

km／h

%

A

DESIGNED BY MIKU TEAM

Left&Right Switch

Left switch

1

High & low beam

2

Turn signal

3

Horn

4

5

1

2

3

6

Right switch

4

5

Headlight switch

6

Cruise control key :

The speed will be kept without throttle by press Cruise
control key.

The cruise performance will be canceled by any braking
operation.

Dashboard

3 4

1

READY P

2

1

Energy level indicator

2

Speedometer

3

Daylight Indicator

4

Left turn signal indicator

5

Riding time indicator

6

High Beam Indicator

7

8

9

5

6

7

8

9

Right turn signal

Total odometer

Trip odometer

13/14

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

1

Energy level indicator

This indicator and readout displays the amount of energy

remaining in the power pack, similar to the fuel gauge on

a gasoline powered scooter.

2

Speedometer

The speedometer is a digital display in kilometers per hour (km/h).

3

Daylight Indicator

When the scooter is starting, the daylight indicator is turned

on automatically.

4

Left turn signal indicator

Flashes green when a left turn is selected by the turn signal

switch. This arrow remains flashing until the turn signal

request has been canceled.

5

Riding time indicator

The clock displays riding time of single trip.

6

High Beam Indicator

When the headlight high beam is on, this indicator illuminates

blue, and remains on until the high beam is turned off.

7

Right turn signal

Flashes green when a right turn is selected by the turn signal

switch. This remains flashing until the turn signal request has

been canceled.

8

Total odometer

The total odometer displays the total distance the

scooter has been ridden in kilometers.

9

Trip odometer

The trip odometer displays the distance of single riding in

kilometers.

Before Starting the Engine/Motor

Tires

1

Ensure that both tires have at least 1/8 inch tread depth at center.

2

Both tires must be inflated to the pressure indicated on the tire sidewalls.

3

Replace the tires if tread height is less than 1/8 inch at the center of tires.

Throttle

1

Check for smooth operation. Make sure throttle grip could return to cut off power.

2

Check for frayed cable or damaged cable housing. Replace damaged cable to avoid electricity shock.

3

Check for mud, debris and ice in the throttle mechanism. Clean out any contamination.

Fasteners

1

Check that all axle nuts and lug nuts are secure.

2

Check for missing fasteners. Replace as necessary.

3

Check that all other fasteners are secure. Tighten as necessary.

Steering

1

Make sure steering turns freely.

2

Check for proper “toe-in” of wheels

3

Lubricate/adjust as necessary. See the Maintenance section.

Chassis frame

Check for bent/damaged components. Replace as necessary.

Battery

Check the power level to ensure it’s enough for riding.

Lights

Check for proper operation. Replace bulbs as necessary.

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DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Shutting off the scooter

Always shut off the scooter by turning the ignition switch to OFF.

CAUTION: Squeeze brake lever will shut off the motor, however leaving the ignition switch at the

ON position could drain the battery.

Stopping the scooter

DANGER! Wet, oily, or sandy roads reduce braking effectiveness. Hard braking on these surfaces

could lead to loss of control and a serious accident. Always reduce speed as gradually as possible.

When braking, always engage the rear brake first to retain maximum control

of the scooter. Most of your stopping power comes from the front wheel.

Parking

Always keep the key in the lock position when parking the scooter to prevent

theft. Park on smooth and hard surface,being sure to use the side stand

whenever possible.

The side stand is conbined with parking stop swith.The parking stop swith will

cut off the power of the motor while the side stand is released.

Motor safety

Keep the scooter free of dirt and

debris，especially in the throttle

linkage area.

Never start the engine or motor unless

you are property seated with your

hands firmly on the controls.

Fasteners

Make sure that all srews，locknuts，and bolts are

properly tightened.Never over-tighten

hardware that is designed to move.

restrictingmoving parts can cause

a loss ofcontrol and possible injury

or death.

Never tamper with，alter，or change the scooter
motor settings .The motor governor is factory
set and protects the motor from damage.
Excessive motor speed is potentially
dangerous to the operator by standers，
and the motor itself.

Operating the scooter in conditions where water,mud,snow,

dirt sand or other debris can get into the throttle wire conduit

and or the throttle mechanism can

cause the wire or throttle mechanism

to bind,which may lead to throttle

sticking,loss of control,and possible

death,injury,and or property damage.

Ⅰ

Ⅱ

Ⅲ

巡航

Always replace torque-type locknuts with

new locknuts of the same type after

removing the old ones.

17/18

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Battery charging

Check the local civil electricity

power supply before battery

charging.Make sure the battery

charger is matched with the power

supply.

original from
manufacturer

MIKU

MAX

Always use a Miku original battery

charger from manufacturer.

Improper charger might pose a fire

or explosion risk.

MIKU

MAX

The battery is fully charged , while

the state light on the charger turns

green.

07 Power Pack & Charging

Miku Max holds a portable power pack in the battery case at the bottom of the scooter.
The power pack could be charged in the scooter or separately charged out of the scooter.

MAX

MIKU

Charging on battery

Take out the power pack from the battery case;

Connect the charger plug to the charging scoket
on the power pack;

The charging is in process if the charging indicators
are on.

Charging on scooter

Connect the charger plug to the charging
scoket on the scooter;

The charging is in process if the red charging
indicator on the charger are on.

Charging Scoket

19/20

DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

Storage case

1

Take the Power pack out

Pull the button at the bottom of storage csae to open the bottom case;

Disconnect the wire and take the power pack out.

1

BATTERY POWER
INDICATOR INSTRUCTIONS

The battery is located within the power pack and requires no special break in period.

The power indicators show 5 levels of battery power.

MIKU

MAX

Each indicator show 20% of battery power.

The power indicators are blinking while the battery is

under charging.

The power pack is fully charged while 5 power indicators

are all staying on.

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DESIGNED BY MIKU TEAM

DESIGNED BY MIKU TEAM

08 Maintenance Tips

If you own an MIKU electric scooter you should know there are many things that can go wrong
With you electric scooter to hinder its performance. That is why the way you care for your electric
scooter is so important.

Don’t modify the scooter from the

manufacturer’s original design

and configuration.

Assembly ，maintenance and or repair of this

scooter should only be performed by designated

dealers or authorized repair

centers for e-scooter repairs

Authorized

to ensure quality work and

safe scooter conditions.

Never wash or operate the scooter in freezing

temperatures.Water can freeze in wire and the

throttle mechanism，possibly resulting in throttle

sticking ，which can

cause the motor to

continue to run and

result in loss of control.

While stopping,always shut off the scooter

to aviod move unexpectedly.

OFF

Item purpose Rate

Brake

Tyre

Rim

Shock absorber

Ignition & throttle

Wire

Screw

Battery

Charger

Lubrication

cleaning

Check braking performance, prevent traffic accident due to braking malfunction

Check tyre damage & air pressure, prevent flat tyre or power

Check rim strength & remove dirt in bearing, prevent rim breaking or jamming

Check front & rear shock absorbers, remove dirt & maintain lubrication,

Check ignition & throttle, prevent jamming or occasional failure

Check wire connector loose or damage, prevent wire malfunction

Check wire connector loose or damage, prevent wire malfunction

Check battery appearance & cell performance, prevent wire malfunction &

Check whether charger wire damage, braking, off-line, input &

Check front wheel axle, brake need to add lubrication or not

overconsumption during driving

prevent shock absorber jamming

lengthen lifespan

output connector complete and reliable or not

Surface cleaning

Daily

Daily

Weekly

Weekly

Weekly

Weekly

Monthly

Monthly

Monthly

Monthly

Monthly

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DESIGNED BY MIKU TEAM

Serial No：

VIN print

motor number

VIN plate

The vehicle identification number（VIN） is required for all warranty work，theft recovery，and consumer safety.
The complete VIN also appears on a plate at the bottom of classis frame.
The VIN print is located at steering pipe of classis frame.