O.S. Engine OS28152000 Crankshaft GT15HZ  [OS28152000]

Crankshaft for GT15HZ Engines

This crankshaft is an RC-scale replacement part specified by its model identifier OS28152000 and intended for use with GT15HZ series engines.

The component serves the basic mechanical role in the engine assembly, transferring piston motion to rotational output and participating in the crankcase balance and timing. As a direct-fit replacement it is intended to match the dimensional interfaces of GT15HZ engine crankcases without requiring chassis modification.

Installation notes: inspect the crankcase bearings and mating surfaces before fitment, confirm endplay and bearing seating after assembly, and follow the engine manufacturer's run-in and break-in procedures for new rotating parts. For routine tuning, the crankshaft is a service item that may be replaced to restore original running characteristics after wear or damage.

Use this part when servicing GT15HZ nitro engines to maintain mechanical integrity and enable predictable tuning adjustments during setup and maintenance.