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DYU FF500 - Maintenance and Disclaimer; Routine Maintenance Guide; Manufacturer Disclaimer and Terms

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ATTENTION
Maintenance
● The front and rear wheels should be aligned to the center of the front fork and frame.
● Park away from direct sunlight and rain.
● Do not rinse the eBike. Wipe with a damp cloth to clean.
● Check the motor and brakes frequently. Do not oil the braking system.
● Regularly check all screws and keep them fastened.
Recommended torque specs: handlebar screw 60-80 kgf.cm (or 52.08-69.44 lbsf.in), steering stem screw
175-200 kgf.cm (or 151.90-173.60 lbsf.in), saddle screw 175-250 kgf.cm (or 151.90-217.00 lbsf.in), and wheel
screw 320-450 kgf.cm (or 277.70-390.60 lbsf.in).
● Regularly check the tension of the chain, which can be adjusted via the chain regulator.
Frequently check the tires for scratches, cracks or excessive wear. The inner tube and valve should be
perpendicular to the wheel hub. Punctured, damaged or excessively worn inner tube and tire must be replaced
immediately. Please contact professional technicians.
It is forbidden to modify key structural parts including the frame, front fork and steerer tube, and any
electrical parts. If damaged, replace with identical parts from our factory. Otherwise, the warranty shall be void
and the owner shall take sole responsibility for any consequence.
Disclaimer
Our company reserves the right to modify and give final interpretation to the product model, specification,
and other information contained in this manual.
● The functions of the specific model referred to in this manual apply to this specific model only.
The product model, specification, and other information contained in this manual is subject to any modifica-
tion or change without notice.
Without the prior written permission of the company, the contents of the manual may not be copied,
modified, reprinted, disseminated or published in any form.
Please read this manual carefully before using the product, and operate in accordance with the manual.
Otherwise, the company shall not be liable for any personal or property damage, including damage to the
product, caused by misuse or abuse.
● For more information, please visit our official website: www.dyucycle.com.
It is advisable not to go over 15 km/h (or
9.32 mph) when riding on any non-motorized lane, downhill, or
paved road.
● Slow down in rain or snow as required braking distances increase.
● It is advisable not to ride in storms or any extreme weather.
● Avoid impact on the motor.
● Keep the bearings lubricated.
● Do not park your eBike in any lobby, walkway, evacuation stairway, or emergency entrance/exit.
Do not charge or park your eBike inside any residential building. Keep away from combustibles when
charging. Charging should not exceed 6 hours each time.

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