Description
Modern EFi engines rely on perfect sensor data for smooth operation. A faulty MAP sensor on your GV125S Bobber will cause rough idling, inconsistent power delivery, and frustration during your ride.
💎 Precision EFi Management
Guarantees smooth operation and ensures your 125S runs exactly as the factory intended.
Precise air pressure data to ECU.
Restores consistent throttle feel.
Perfect fit in the throttle body.
Clears common fault codes.
📜 Confirmed Fitment Guide
📅 YEARS: All models 2019 onwards (UK/EU specification). The 2018 cutoff is firm.
❌ WILL NOT FIT: Older pre-2018 carbureted GV125s, GT125, GT250, or any 300cc models.
A dirty air filter can mess up your EFi readings. Ensure maximum airflow with a fresh filter to complement your new sensor.
• View GV125S Air Filters here.
🔧 Install Tips
- Disconnect the Battery: Always disconnect the negative terminal first. This prevents error codes and lets the ECU soft-reset when reconnected.
- Re-use Bracket: The metal bracket from your old sensor simply clips onto this new one. Don’t lose it!


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