Zenoah K281721311 Crankcase Gasket for G450PU RC Engine Spare  [K281721311]

Crankcase gasket for G450PU

This Zenoah K281721311 crankcase gasket is an RC-scale spare designed specifically for the Zenoah G450PU engine. It provides a replacement sealing surface between crankcase halves to help maintain internal pressure balance and oil retention on nitro RC engines.

Use this gasket when rebuilding or servicing the engine case, when you detect oil seepage around the crankcase joint, or after repeated disassembly. Before installation, clean both mating faces thoroughly, remove old gasket residue, and inspect the crankcase for warping or damage. Align the gasket carefully to bolt holes and fitment features to avoid pinching or misalignment that can cause leaks.

Do not add or assume additional components, follow the engine manufacturer's recommended bolt sequence and torque values during assembly, and test-run the model at low throttle to confirm sealing before full operation. Proper sealing can influence carburetion consistency and idle stability so consider gasket condition when diagnosing tuning or running issues.