1. Муқаддима
Ташаккур ба шумо барои харидasing the Koso XR-SA Speedometer. This manual provides detailed instructions for the proper installation, operation, and maintenance of your new digital speedometer. Please read this manual thoroughly before installation and use to ensure correct functionality and to prevent damage.
The Koso XR-SA Speedometer is designed for motorcycle and powersports applications, offering a clear, blue-backlit digital display for essential riding information.
2. Маълумот оид ба бехатарӣ
- Always ensure the vehicle's power is disconnected before attempting any installation or wiring.
- Professional installation is recommended for optimal performance and safety. Incorrect wiring can lead to damage to the speedometer or the vehicle's electrical system.
- Secure all wiring and components to prevent interference with moving parts or exposure to extreme conditions.
- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm (Proposition 65 warning). Wash hands after handling.
- Do not attempt to disassemble or modify the speedometer unit. This will void the warranty and may cause malfunction.
3. Мундариҷаи баста
Боварӣ ҳосил кунед, ки ҳамаи ҷузъҳои дар поён овардашуда дар бастаи шумо мавҷуданд:
- Koso XR-SA Speedometer Unit
- Қавс ченак
- Speed Sensor with Bracket
- Магнит
- Дастгоҳи ноқилӣ
- Mounting Hardware (screws, washers, Allen key)
- Basic Instruction Sheet

Расми 3.1: This image displays all components included with the Koso XR-SA Speedometer: the main speedometer unit, wiring harness, speed sensor, magnet, mounting brackets, and various installation hardware.
4. Маҳсулот ба охир расидview ва Андозаҳо
The Koso XR-SA features a clear digital display with a blue backlight, ensuring readability in various lighting conditions. It provides essential information such as speed, odometer, and trip meter readings, along with indicator lights for high beam, turn signals, and oil pressure.

Расми 4.1: Муфассал view of the Koso XR-SA Speedometer's digital display, showing speed, trip, and odometer readings, along with indicator lights for high beam, turn signals, and oil pressure.
4.1. Андозаҳо
Refer to the diagram below for the physical dimensions of the speedometer unit.

Расми 4.2: This diagram illustrates the precise physical dimensions of the Koso XR-SA Speedometer, including its width (77.5 mm), height (74.8 mm), and depth (24 mm, with a 10 mm protrusion for mounting).
5. Танзим ва насб
Follow these general steps for installing your Koso XR-SA Speedometer. For detailed wiring diagrams and specific vehicle instructions, please refer to the separate wiring diagram sheet included with your product.
5.1. Mounting the Speedometer
- Select a suitable location on your vehicle's handlebars or dashboard for optimal visibility.
- Attach the gauge bracket to the speedometer unit using the provided screws.
- Secure the assembled unit to your chosen mounting point using the appropriate hardware. Ensure it is firmly attached and does not obstruct your view ё идоракунии воситаҳои нақлиёт.
5.2. Installing the Speed Sensor and Magnet
- Mount the speed sensor bracket to a non-rotating part of your wheel assembly (e.g., fork leg) ensuring it is stable.
- Attach the magnet to a rotating part of the wheel (e.g., brake rotor, wheel spoke) so that it passes directly in front of the speed sensor with each rotation.
- Adjust the distance between the sensor and the magnet to be within the recommended range (typically 1-3mm) for accurate readings.
5.3. Пайвастҳои ноқилӣ
Connect the wiring harness to your vehicle's electrical system according to the included wiring diagram. Typical connections include:
- Қувваи барқ (12V DC): Ба манбаи барқи 12V, ки бо шиддати гузариш кор мекунад, пайваст шавед.
- Замин: Ба заминаи боэътимоди шасси пайваст шавед.
- Оғози: Connect to an ignition-switched power source.
- Speed Sensor Input: Connect the speed sensor wire.
- Чароғҳои нишондиҳанда: Connect wires for high beam, turn signals (left/right), and oil pressure to their respective vehicle signals.
5.4. Tire Size Adjustment
The speedometer requires calibration to your specific tire size for accurate speed and distance readings. Refer to the detailed instructions in the included basic instruction sheet for the procedure to input your tire circumference into the unit.
6. Дастурҳои истифодабарӣ
6.1. Фаъолкунӣ
Once properly installed and wired, the speedometer will power on with your vehicle's ignition. The blue backlight will illuminate, and the digital display will show the current speed, odometer, and trip meter readings.
6.2. Функсияҳои намоиш
- Суръат: Displays current speed in MPH or KPH (0-145 MPH / 0-230 KPH).
- Одометр (ODO): Records the total distance traveled by the vehicle. This value is non-resettable.
- Trip Meter (TRIP): Records the distance traveled for a specific journey. This value can be reset.
- Чароғҳои нишондиҳанда: Separate lights illuminate for High Beam, Left Turn Signal, Right Turn Signal, and Oil Pressure warnings.
6.3. Resetting the Trip Meter
To reset the trip meter, locate the small button(s) on the speedometer unit (refer to the physical unit for exact button placement). With the display showing the trip meter, press and hold the designated button for approximately 3-5 seconds until the trip value resets to zero.
6.4. Switching Between MPH/KPH
The method for switching between Miles Per Hour (MPH) and Kilometers Per Hour (KPH) typically involves a specific button sequence or a setting within the initial setup menu. Consult the included basic instruction sheet for the precise steps to change the speed unit.
7. Нигоҳдорӣ
- Тозакунӣ: нармро истифода баред, гamp cloth to clean the display and housing. Avoid abrasive cleaners or solvents that could damage the plastic or screen.
- Пайвастшавӣ: Ҳама пайвастҳои ноқилҳоро мунтазам тафтиш кунед, то боварӣ ҳосил кунед, ки онҳо бехатар ва аз зангзанӣ нестанд.
- Sensor/Magnet: Inspect the speed sensor and magnet for any damage or misalignment. Ensure the gap between them remains consistent.
8. Баррасии мушкилот
If you encounter issues with your Koso XR-SA Speedometer, refer to the following common problems and solutions:
| Мушкилот | Сабаби эҳтимолӣ | Ҳалли |
|---|---|---|
| Намоиш нест/Қувва нест | Пайвасти сусти барқ, фишанги сӯхта, симкашии нодуруст. | Check all power and ground connections. Inspect vehicle fuses. Verify wiring against the diagram. |
| Incorrect speed reading | Incorrect tire size setting, sensor/magnet misalignment, faulty sensor. | Recalibrate tire size. Check sensor-magnet gap and alignment. Inspect sensor for damage. |
| Trip meter not resetting | Button not pressed long enough, faulty button. | Ensure the reset button is held for the required duration (3-5 seconds). |
| Чароғҳои индикатор кор намекунанд | Incorrect wiring, faulty vehicle signal. | Check wiring for specific indicator lights. Verify vehicle's signal output. |
9. Мушаххасоти
- Модели: XR-SA
- Рақами Қисм: BB007B52
- Навъи намоиш: Digital, Blue Backlit
- Диапазони суръат: 0-145 MPH (0-230 KPH)
- Функсияҳо: Speedometer, Odometer, Trip Meter, High Beam Indicator, Turn Signal Indicators, Oil Pressure Indicator
- Андозаҳо (H x W x D): 83.1мм x 82.28мм x 28.85мм (3.27" x 3.24" x 1.14")
- Вазн: Тақрибан 1.56 фунт (0.71 кг)
- Талаботи барқ: 12V DC (typical motorcycle electrical system)
10. Кафолат ва дастгирӣ
Koso products are manufactured to high-quality standards and are covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty information provided with your purchase or visit the official Koso webбарои гирифтани тафсилот дар бораи шартҳо ва қоидаҳои кафолат ба сайт нигаред.
For technical support, troubleshooting assistance, or warranty claims, please contact your authorized Koso dealer or Koso customer service directly. Contact information can typically be found on the Koso official webсайт ё дар ҳуҷҷатҳои хариди худ.





