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YUME YMD4+ User Manual

YUME YMD4+
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Shenzhen Yunmi Intelligent Technology Co., Ltd
ELECTRIC SCOOTER MANUAL
YMD4+ / YMD5
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YUME YMD4+ Specifications

General IconGeneral
FoldableYes
Max Range40 km
BrakesDisc Brakes
SuspensionFront and Rear Suspension
Max Load120 kg
Weight73 lbs (33 kg)

Summary

Folding and Opening Process

Folding Steps

Detailed steps for folding the scooter's handle and body.

Opening Process

Instructions for unfolding the scooter's handle and body.

Usage Notice

Important note about potential product differences due to upgrades.

JP-Y2 Meter Display Specification

Meter Display Overview

Describes the meter display and its two buttons.

Parameter Settings (P0-P7)

Details various settings like wheel diameter, voltage, speed signals, and start modes.

Speed Limiting (P8)

How to set the speed limit on the meter display.

DK-218 Dual Drive System

DK-218 Button Functions

Explains the red and yellow buttons for drive mode and speed.

T-Bar and Ring Clamp

Folding the T-Bar

Instructions for folding the handlebars down.

Ring Clamp Function

Purpose and use of the ring clamp for securing parts.

Folding Mechanisms

T-Bar Height Adjustment

Adjusting the T-bar height and securing the clamp.

Folding Switch Operation

Steps to fold the handle using the folding switch and safety lock.

Folding Seat

Instructions for folding the seat on scooters equipped with one.

Seat Folding and Kickstand

Seat Folding Steps

Detailed instructions for folding the scooter's seat.

Kickstand Usage

Ensure the kickstand is folded securely before riding.

BASIC OPERATION

Power On/Off

How to turn the scooter on and off using the power button.

Power Display

Understanding the battery level indicator on the display.

Riding Operation

Steps for safe starting, acceleration, and riding.

Stopping the Scooter

How to safely brake and stop the scooter.

USAGE AND MAINTENANCE

Battery and Charger

Information on the dedicated lithium battery and charger.

Charger Function

Details the intelligent charger's over-charge protection.

Battery Care

Guidelines for lithium battery maintenance and temperature best practices.

Brakes

Maintenance for brake performance, including fluid and pad checks.

Folding Parts Lubrication

Lubrication advice for folding handles and joints.

Tire Maintenance

When to replace scooter tires due to wear or tear.

Cleaning Instructions

Proper methods for cleaning the scooter without damage.

General Questions & Troubleshooting

Scooter Power Issues

Troubleshooting steps for when the scooter won't power on.

Battery Charging Issues

Steps to diagnose problems with charging the scooter battery.

Acceleration Issues

Troubleshooting steps if the scooter fails to accelerate.

Warranty Coverage

Warranty Terms

Overview of warranty periods and service content for scooter parts.

Warranty Exclusions

Conditions and causes that void the product warranty.

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