MyChron Sensor Installation Guide
AiM MyChron Sensor Installation Guide
This guide explains how to correctly install the most common AiM sensors used with MyChron 5 and MyChron 6. Proper installation ensures accurate data, reliable performance, and easier diagnosis for kart racers in New Zealand and Australia.
1. Water Temperature Sensor (WT)
The water temp sensor measures coolant temperature and is essential for engine safety.
Installation steps
- Install the sensor in the radiator hose using an AiM adaptor
- Ensure the sensor tip is fully submerged in coolant flow
- Route the cable away from the exhaust and moving parts
- Connect to the WT port on the MyChron
Common mistakes
- Installing in the wrong hose direction
- Loose hose clamps causing leaks
- Routing cable too close to the exhaust
2. Cylinder Head Temperature Sensor (CHT)
CHT is used on air-cooled engines like Briggs & Stratton and Yamaha KT100.
Installation steps
- Remove spark plug
- Place CHT ring under spark plug
- Re-install spark plug and torque correctly
- Connect to the CH port
Tips
- Ensure ring sits flat
- Do not overtighten spark plug
3. Exhaust Gas Temperature Sensor (EGT)
EGT is critical for tuning two-stroke engines (Rotax, Vortex, IAME).
Installation steps
- Drill exhaust header at manufacturer-recommended distance
- Install EGT bung and secure sensor
- Route cable away from heat (use heat sleeve)
- Connect to the EGT port
Common mistakes
- Sensor too close to exhaust port (reads too hot)
- Sensor too far (reads too cold)
- Cable touching exhaust
4. Brake Pressure Sensor
Measures hydraulic brake pressure for braking analysis.
Installation steps
- Install sensor into brake line T-piece
- Ensure no leaks after installation
- Route cable along chassis rails
- Connect to an analog channel
Tips
- Bleed brakes after installation
- Secure cable to avoid vibration damage
5. Throttle Position Sensor (TPS)
Measures throttle opening percentage for driver analysis.
Installation steps
- Mount TPS on carburettor or throttle linkage
- Ensure full range of motion (0–100%)
- Calibrate in RaceStudio 3
- Connect to an analog channel
Common mistakes
- Binding linkage
- Incorrect calibration
- Sensor over-rotating
6. Steering Angle Sensor
Measures steering wheel rotation for handling analysis.
Installation steps
- Mount sensor arm to steering column
- Mount fixed arm to chassis
- Ensure smooth movement lock-to-lock
- Calibrate left/right limits
Tips
- Avoid binding at full lock
- Use rubber mounts to reduce vibration
7. Wheel Speed Sensor
Measures wheel rotation for speed and slip analysis.
Installation steps
- Install magnet on brake disc or hub
- Mount sensor 2–4 mm from magnet
- Secure cable along brake lines
- Connect to Speed port
Common mistakes
- Sensor too far from magnet
- Magnet polarity reversed
- Loose sensor mount
8. Accelerometer / G-Force (built-in)
The MyChron's internal accelerometer requires correct mounting.
Mounting rules
- Mount MyChron flat and level on the steering wheel
- Avoid mounting at an angle
- Calibrate in RaceStudio 3 after mounting
Related guides
AiM MyChron NZ & Australia — Buying Guide & Full Product Range →