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This is an authentic OEM Honda RC valve control module manufactured by Shindengen. It controls the two-stroke exhaust power valve system by monitoring engine RPM and signaling the servo motor to open or close the exhaust valves for improved low-end torque and high-RPM performance. Specifications Component Type: RC Valve Control Unit / Exhaust Governor Module Part ID: TV-78 Manufacturer: Shindengen, Japan Core Marking: KY4 Vehicle Compatibility This TV-78 module is designed for first-generation Honda NSR125 models with the JC20 frame series. Direct-Fit Models: Honda NSR125R (JC20): 1988–1992 Honda NSR125F (JC20): 1988–1992 Compatibility Restriction: Does not fit 1993–2003 JC22 models. Later NSR125R and NSR125SP versions use the TV-124 control unit with different wiring connectors and control mapping.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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