Our Mission

From the M100 to the M400, we've focused on one thing: redefining motorcycle repair standards through intelligent diagnostics. JDIAG was born for motorcycle maintenance--diagnosing battery health, EFI systems, and full-vehicle ECU data with pinpoint accuracy.

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"We believe every motorcycle deserves a scientific diagnosis and professional-grade repair. Through continuous innovation, we are transforming the way the world maintains motorcycles."

— Mark, Founder, Jdiag

🚀 NEW RELEASE

M400 Android Smart Diagnostic Platform

8" Industrial Tablet | Android OS | Expanded Database with 50+ Brands

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Key Features

8" Industrial-Grade Android Tablet

  • • Full touchscreen interface with multitasking split-screen
  • • View diagnostic data, repair manuals, and service history simultaneously
  • Unmatched Global Coverage

  • • Supports 50+ brands, including niche European makes like Moto Guzzi and MV Agusta
  • Smart Repair Management

  • • Built-in customer database
  • • Generates PDF reports and sends them directly to owners via email
  • Extreme Durability

  • • Operates from -30℃ to 70℃
  • • IP67-rated for water and dust resistance -- perfect for outdoor and roadside use
  • Core Product Lines | Always Evolving

    From entry-level diagnostics to premium professional solutions, we have the perfect tool for every need.

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    M100 Series

    Redefining Handheld Efficiency

    3.5" Color Display | Real-Time Multilingual Support

    Compatible with 16 major brands including Honda and Yamaha

    Reads fault codes in just 10 seconds
    — Technician feedback
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    M200 Series

    Your Mobile All-in-One Expert

    Built-in Thermal Printer | USB port / WIFI Upgrade| Injector Waveform Testing

    4 exclusive injector cleaning modes for up to 60% more repair accuracy

    Real-life example: Whether it's a weak battery in winter or TPS calibration, M200 brings transparency to the repair process

    — Great for mid-size shops

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    M300 Series

    Trusted by Professional Workshops

    5" Industrial-Grade Display | Stable in -40℃ conditions

    Supports high-end models like Harley and Ducati

    6 European languages supported

    Used by 500+ certified repair centers worldwide

    — Professional workshop feedback

    Product Positioning & Specification Comparison

    Find the perfect diagnostic tool for your specific needs and requirements

    Spec/Feature

    Screen Size

    Battery Test

    EFI System Test

    Injector Cleaning

    Waveform Analysis

    Supported Brands

    Operating Environment

    Data Printing

    Remote Upgrade

    M100

    3.5"

    -
    -

    16

    Standard

    -
    USB
    M200
    3.5"

    28

    Enhanced

    WIFI+USB port
    M300

    5"

    20

    Industrial

    Wi-Fi + Cloud

    M400

    8"

    50+

    Industrial (Advanced)

    Full Cloud Collaboration

    Find Your Perfect Match

    DIY Enthusiast

    For motorcycle owners who do their own maintenance

    Recommended: M100

    Small Repair Shop

    For small businesses servicing common models

    Recommended: M200

    Professional Workshop

    For established repair centers handling diverse brands

    Recommended: M300

    Dealership/Service Center

    For premium service centers and dealerships

    Recommended: M400

    Why Technicians Worldwide Trust JDIAG

    Comprehensive Coverage

    Full diagnostics for EFI systems, batteries, fault codes, and more--across all major global motorcycle brands

    Simple & Efficient

    Intuitive UI for fast troubleshooting and reduced repair times

    Multilingual Interface

    Supports English, Chinese, Spanish, French, and more

    Continuous Innovation

    Regular product updates and prompt technical support

    Real Stories from Our Global Community

    Marco Rossi

    Ducati Specialist, Milan

    "The M300's multilingual support helps me serve customers from all over Europe. Its accuracy with Ducati's complex systems has been remarkable."

    Sarah Thompson

    Harley-Davidson Workshop, Texas

    "The M400 revolutionized our workflow. We've cut diagnostic time by 40% and can now service twice as many bikes per day with the same staff."

    Hiroshi Tanaka

    Honda Service Center, Tokyo

    "From basic scooters to high-performance machines, my M200 handles them all with exceptional precision. It's become indispensable to our operation."

    Global Support | Multilingual, Always-On

    12 Interface Languages | Certified in 36 Countries | 24/7 Technical Assistance

    From Bangkok's busy repair stalls to Munich's premium Harley workshops--JDIAG is always by your side.

    24/7 Technical Support

    Our global technical team provides round-the-clock assistance through phone, email, and remote diagnostics.

    Average response time: 2 hours

    Multilingual Interface

    Full support for 12 languages including English, Chinese, Spanish, French, German, Italian, Japanese, and more.

    English Chinese Spanish French +8 more

    Certified Worldwide

    Our products are certified in 36 countries, meeting all local regulations and standards for automotive diagnostic equipment.

    CE, FCC, ROHS, and ISO 9001 certified

    Ready to Elevate Your Motorcycle Diagnostics?

    Join thousands of professional technicians worldwide who trust JDIAG for precise and efficient motorcycle diagnostics.

    Choose JDIAG -- Where Professional Diagnostics Are Just a Tap Away.

    Further Reading

    Recommended resources for motorcycle diagnostic professionals

    The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner
    News

    The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner

    June 6, 2025 Motorcycle Maintenance Made Easy: Why Diagnostic Tools Are Essential for Performance and Longevity For motorcycle enthusiasts, the thrill of...
    Read more
    Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs
    News

    Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs

    June 6, 2025 Simplify Motorcycle Maintenance with the JDiag M200 Diagnostic Tool Maintaining your motorcycle on your own can be intimidating, especially...
    Read more
    JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance
    News

    JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance

    June 6, 2025 Maximize Motorcycle Performance with Advanced Diagnostic Tools Maintaining your motorcycle in peak condition requires more than just routine checks—it...
    Read more
    Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics
    News

    Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics

    June 4, 2025 In the space where mechanical engineering meets digital intelligence, a quiet revolution is transforming motorcycle maintenance. Today's diagnostic tools...
    Read more

    Further Reading

    Recommended resources for motorcycle diagnostic professionals

    The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner
    News

    The Essential Role of a Reliable Diagnostic Tool for Every Motorcycle Owner

    June 6, 2025 Motorcycle Maintenance Made Easy: Why Diagnostic Tools Are Essential for Performance and Longevity For motorcycle enthusiasts, the thrill of...
    Read more
    Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs
    News

    Streamlining Motorcycle Maintenance: How Diagnostic Tools Save Time and Cut Costs

    June 6, 2025 Simplify Motorcycle Maintenance with the JDiag M200 Diagnostic Tool Maintaining your motorcycle on your own can be intimidating, especially...
    Read more
    JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance
    News

    JDiag M300 Motorcycle Diagnostic Tool: Essential for Optimizing Motorcycle Performance

    June 6, 2025 Maximize Motorcycle Performance with Advanced Diagnostic Tools Maintaining your motorcycle in peak condition requires more than just routine checks—it...
    Read more
    Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics
    News

    Unleashing the Power: The Art and Science of Modern Motorcycle Diagnostics

    June 4, 2025 In the space where mechanical engineering meets digital intelligence, a quiet revolution is transforming motorcycle maintenance. Today's diagnostic tools...
    Read more