EFI Yamaha YBR Digital CDI Box
Product Overview
The EFI Yamaha YBR Digital CDI Box is an advanced, microcontroller-driven engine control unit designed specifically for the Electronic Fuel Injection (EFI) era of Yamaha YBR 125 motorcycles (post-2008 models).
Structural & Core Layout
This module is engineered for the rigors of daily commuting and global fleet distribution, featuring hardened solid-state componentry that outperforms standard aftermarket alternatives:
Integrated EFI Management: Synchronizes ignition timing with the fuel injector pulse width, reacting dynamically to engine temperature, RPM, and throttle position sensor (TPS) inputs.
Precision Voltage Regulation: Internal circuitry buffers fluctuating stator voltages, ensuring a stable 12V DC power feed to the main processor to prevent stalling under heavy electrical loads.
High-Impact Structural Shell: Enclosed in a thick-walled, heavy-duty ABS casing with OEM-exact mounting tabs for a direct, stress-free drop-in replacement on the YBR frame.
Complete Resin Solidification: The internal PCB is fully potted with an advanced thermal-conductive polymer resin, locking out moisture, dust, and continuous road vibrations.
OEM-Grade Connectors: Features multi-pin, low-resistance terminal blocks configured to match the factory Yamaha EFI wire loom exactly, eliminating the need for splicing or rewiring.
Core Operational Profiles
Dynamic Advance Calibration
Pre-programmed with digital ignition curves tailored to the YBR125's 4-stroke, air-cooled EFI engine profile, minimizing engine knock while optimizing mid-range torque.
Automated SMT Architecture
Internal circuit boards are assembled exclusively on automated Surface Mount Technology (SMT) lines, preventing manual solder failure and ensuring maximum thermal stability.
Cold-Start Enrichment Logic
Processes data from the engine temperature sensor to automatically adjust fuel delivery and ignition timing for reliable, one-touch starting in cold weather.
Customization Options
|
Customization Item |
Available Options |
|
Firmware Programming |
* Regional baseline fuel maps * Factory RPM limits (Restricted / Unlocked) * Aftermarket exhaust tuning profiles * Custom emission compliance parameters |
|
Casing Branding |
* Private distributor logos * OEM part numbers * Laser-engraved tracking serials * High-contrast 2D barcodes |
|
Terminal Configurations |
* Euro-spec EFI connector plugs * South American-spec connector plugs * Custom length wire extensions * Sealed waterproof terminal caps |
|
Packaging Solutions |
* Individual anti-static bags * Branded glossy color boxes * Neutral brown export cartons * High-density assembly line crates |
Quality Validation Stages
Component Bench Screening: 100% stress verification of all microprocessors, diodes, and capacitors before SMT placement.
Automated Optical Inspection (AOI): Laser scanning of every PCB trace to ensure flawless soldering continuity and correct component placement.
Thermal Shock Testing: Accelerated aging cycles inside environmental chambers (-30°C to +90°C) to guarantee the structural integrity of the casing and potting resin.
Live EFI Simulation: Every completed ECU undergoes dynamic testing on a simulator board, verifying both spark intensity and injector pulse signals across the full RPM range before final packaging.
Certified Quality & Compliance
Scale: Over 100 mu of manufacturing footprint.
Team: 480 total staff, including 25 dedicated technical engineers.
Capacity & Value: Producing 6,000,000 sets of motorcycle magnetos and starting motors annually, with an annual output value of 300 million RMB.
Compliance: ISO 9001:2015 and CCC certified, operating with official environmental permits and verified tier-1 OEM partnerships.
Global Market: Products exported to key global markets across North America, South America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
FAQ
Q: How do we ensure compatibility with different years of the EFI YBR 125?
A: The YBR 125 has undergone various updates. You can provide the specific production year, the OEM part number on your current unit, or a clear photo of the connector plug. Our engineers will verify the pinout to ensure exact compatibility.
Q: Can you modify the RPM limit or fuel map for our specific market?
A: Yes. For bulk orders, our engineering team can alter the ECU firmware to raise the RPM limit or adjust the fuel/ignition mapping to suit specific regional fuel qualities or aftermarket performance requirements.
Q: What is the minimum order quantity (MOQ) for custom-branded units?
A: We maintain accessible MOQs for our distribution partners. Standard black units with custom laser-engraved logos or part numbers require a minimum order of 200 units per batch.
Q: Can we order a mixed shipment containing ECUs, stators, and rectifiers?
A: Absolutely. We support consolidated shipments, allowing you to combine various electrical components into a single container order to optimize your inventory and reduce shipping costs.
Q: What is the standard lead time for a bulk order?
A: Standard production runs are typically completed and ready for export dispatch within 15 to 30 days, depending on the required volume and specific firmware customization.
Q: Do you provide all necessary export and compliance documentation?
A: Yes. Every shipment includes comprehensive documentation, including commercial invoices, detailed packing lists, certificates of origin, and any specific customs paperwork required for your destination port.
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