Technical Guides — Video Library
CEMOTO publishes step-by-step assembly and troubleshooting videos. This page is the catalog; each video has its own page in the Video Tutorials section, where the video is embedded inline with a short set of written notes.
Watch for the pattern. Several CEMOTO technical guides follow the same principle: check these before replacing parts. Most reported faults trace back to a connector, an adjustment or a charge state — not a failed component. Working through the checks saves both time and money.
Where to find the tutorials
All 23 videos have dedicated pages with the player embedded inline and brief written notes:
| Section | Tutorials |
|---|---|
| Assembly | D02 dirt bike · B57A folding eBike · Pedals · Battery side guards |
| Setup | P-Setting guide · Speed unit · Limit speed · Controller reset |
| Error codes | E02 · E06 · E07 · E08 · E09 · E13 |
| Faults without a code | Horn not working · Battery not charging · Won't turn on |
| Maintenance | Motor installation · Motor removal · Front disc brake · D02 lock set |
| Electrical | Connecting the wires |
→ Go to the Video Tutorials index
The complete video catalog
Assembly guides
| Video | Applies to | Tutorial page |
|---|---|---|
| Folding eBike B57A — Unboxing & Assembly | B57A folding eBike | Assembly guide |
| Off-Road Electric Dirt Bike D02 — Unboxing & Assembly | D02 Classic, D02 Track | Assembly guide |
| How to Install a CEMOTO Motor — Step-by-Step Tutorial | D-series | Installation guide |
| How to Remove a CEMOTO Motor — Step-by-Step Tutorial | D-series | Removal guide |
| How to Install the Front Disc Brake on a CEMOTO Electric Dirt Bike — Step-by-Step Guide | D-series | Brake guide |
| How to Install CEMOTO Pedals | eBikes | Pedal guide |
| How to install the left and right battery side guards for the CEMOTO D series | D-series | Side guard guide |
| How to change the lock set on the D02 | D02 | Lock set guide |
Setup and configuration
| Video | What it covers | Tutorial page |
|---|---|---|
| D-Series P-Setting Guide in 20 Seconds | Controller parameter menu | P-Setting guide |
| Change Speed Unit from KM/H to MPH | Parameter P02 | Speed unit guide |
| How to Limit Speed on Your CEMOTO Electric Dirt Bike — Easy Setup Tutorial | Restricting top speed | Limit speed guide |
| How to Reset CEMOTO Controller to Factory Settings — FarDriver Tutorial | FarDriver default restore | Controller reset guide |
Technical support — error codes
| Video | Error code | Tutorial page |
|---|---|---|
| CEMOTO Battery Not Charging? What Would You Check First? | Charging fault | Charging diagnostics |
| CEMOTO E02 ERROR? Check THESE Before Replacing Parts! | E02 — Brake Error | E02 guide |
| CEMOTO E06 Error? What Would You Check First? | E06 — Low Voltage Protection | E06 guide |
| Cemoto E07 Error — Motor & Wiring Troubleshooting Guide | E07 — Motor Error | E07 guide |
| E08 Error — Check the Throttle Before Replacing Parts | E08 — Throttle Error | E08 guide |
| E09 Error — Check These Before Replacing the Controller | E09 — Controller Error | E09 guide |
| E13 Error? Don't Swap the Headlight Yet — Check This First | E13 — Front Light Error | E13 guide |
| CEMOTO Won't Turn On? What Would You Check First? | Power / start-up | Won't turn on |
| Horn Not Working — Check These Before Replacing Parts | Horn circuit | Horn guide |
| Would You Know How to Connect These Wires? | Wiring and connectors | Wiring guide |
Written reference: Display & Error Codes · Display & Settings
Written guides and articles
Beyond the video library, CEMOTO publishes written service guides covering a wide range of ownership, maintenance and repair topics. Where a topic matches a page in this documentation center, the corresponding page is linked.
Battery and electrical
Battery safety, charging, transport and disposal · battery storage temperature and charging practice · battery health testing · battery voltage and amp-hours explained · battery life planning before replacement · battery replacement cost · battery replacement connectors and compatibility · charger troubleshooting · charger compatibility checks · charging safety checklist · charging at the trailhead · removable vs integrated batteries · cold weather performance
→ Battery Care & Charging · Charging Faults · Battery Not Charging · Low Voltage E06
Motor, controller and display
Motor cut-outs under load · controller compatibility and upgrade · controller, display replacement and DIY repair · modular vs proprietary systems · wiring diagram and fault tracing · harness and connector compatibility
→ Motor & Controller Faults · Motor Error E07 · Controller Error E09 · Connecting the Wires · Display & Settings
Brakes, tires and suspension
Brake checks — inspect, test or stop riding · brake pad replacement and wear · brake fade · brake noise · hydraulic vs mechanical brakes · tire pressure and tire width trade-offs · tire types and tread selection · suspension setup
→ Brakes · Brake Error E02 · Front Disc Brake Installation · Tires, Wheels & Suspension
Maintenance and service
Maintenance schedule · maintenance log and repairs · brake, chain and drivetrain service · cleaning an electric dirt bike · pre-ride checklists · emergency kit and recovery kit · spare parts kits
→ Maintenance Schedule · Maintenance Log · Drive & Transmission · Cleaning & Storage · Pre-Ride Inspection · Spare Parts
Ownership, transport and storage
Transport and carriers · garage and apartment storage · charging and storage rules for apartments · theft prevention · insurance and registration checklists · paperwork, title and registration verification
→ Cleaning & Storage · Riding Laws & Compliance
Riding and performance
Range calculation and real-world range · speed factors · rider weight and range · heavier bike stability · suspension and torque on steep trails · riding drills · safety gear · first-ride preparation · riding in rain and snow · water resistance ratings · street tire vs knobby vs mixed surface
→ Range Calculator · Range & Performance · Rider Fit & Sizing · Riding Laws & Compliance