DYU A1F, Instructions For Use Manual, Page: 8 / 9

Maintenance and Maintenance:
Both the front and rear wheels of the vehicle should be centered on the front fork or frame;
After riding, please store the car in a place where there is no sunlight and no rain;
It is forbidden to rinse with water, and the surface of the car body can be wiped with a semi-dry cloth;
Always check the motor and brakes, and the brakes cannot be filled with oil;
Regularly check each screw of the car and the place to be tightened, and reinforce it regularly;
Suggested torque: (unit: kgf.cm) 60-80 for the horizontal screw, 175-200 for the vertical screw, 175-250 for the
seat cushion, 320-450 for the wheel screw; Regularly check the tension of the chain, which can be adjusted by
the chain adjuster;
Always check the tires for nicks, cracks or excessive wear. The inner tube and valve should be perpendicular to
the wheel and not crooked. Accidentally punctured damaged or excessively worn inner and outer tires should be
replaced immediately, please seek professional technicians to repair or replace your tires.
It is forbidden to modify the key structural parts such as the frame, front fork, standpipe and electrical
function accessories. If there is any damage, it must be replaced with the original accessories, otherwise the
three-guarantee service will not be provided, and any loss or damage caused by the modification will be at your
own risk.
Responsibility Statement:
● The company reserves the right of modification and final interpretation of the product models, specifications
or related information mentioned in this manual;
● The functions of a specific model mentioned in this manual are only applicable to this specific model;
● The product models, specifications or related information mentioned in this manual are subject to any
modification or change without prior notice;
● Without the prior written permission of the company, the contents of the manual shall not be copied, modified,
reproduced, transmitted or published in any form;
● Please read this manual carefully before using the product, and operate in accordance with the manual,
otherwise the company will not be responsible for product damage or personal and property damage caused by
improper use or mistakes.
● For product related information, please visit the official website: www. dyucycle.com