02
What code 02 means on a Yamaha electric bike, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Yamaha 02 means: Throttle error. The documented cause is: Throttle stuck, disconnected, or spring worn
What 02 means
Throttle error
The display shows 02 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by ebikedelight.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Throttle stuck, disconnected, or spring worn |
Replacement parts
Tools you'll need
Worth repairing, or worth replacing?
The battery: how long it lasts, when to replace it, what it costs
Before you open anything
Switch the system off and remove the battery before opening any connector. A traction battery stores enough energy to melt a tool and start a fire, and a damaged cell can ignite hours later. Never charge a swollen, dented or wet battery, and never leave one charging unattended.
What to check, in order
From the quickest check to the one that needs a technician.
Find a specialist
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Frequently asked questions
What does 02 mean on a Yamaha?
Throttle error The documented cause is: Throttle stuck, disconnected, or spring worn
Can I fix 02 myself?
It depends on the part involved: Throttle stuck, disconnected, or spring worn Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Can I keep riding with this code showing?
Yes: we document 8 other codes for Yamaha on this electric bikes. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.