O.S. Engine OS29701210 Fixing Screw for GT55 Rotation Sensor  [OS29701210]

Mounting screw for GT55 RPM pickup

This compact fixing screw serves as an OEM replacement for mounting the rotation (RPM) sensor on GT55 RC glow engines. It is offered as a service part for engine upkeep and fine-tuning and is described here as an RC-scale component only.

Fit the screw to secure the sensor bracket or pickup on the engine casing. Align the pickup correctly, thread the screw by hand to prevent cross-threading, then tighten just enough to seat the component without distorting adjacent parts. Excessive torque can strip the threads or harm the sensor housing.

During tuning sessions the fastener's function is straightforward: maintain a stable sensor position so RPM data stays reliable for bench testing or track adjustments. Firm mounting reduces false signals from vibration and aids consistent setup work.