CHAMPION RCJ4 Spark Plug for Zenoah G230PUH/G230PUM - K369991169  [K369991169]

ZENOAH CHAMPION RCJ4 SPARK PLUG FOR G230PUH,G230PUM #369991169
Price:
NZD$12.01
Brand:
Zenoah
Model:
K369991169
Condition:
Brand New
Write a review

RCJ4 Plug Overview and Purpose

The CHAMPION RCJ4 spark plug serves as a direct replacement ignition electrode designed for Zenoah G230PUH and G230PUM engines. It is intended to bring back consistent spark behavior and support smooth combustion in nitro RC setups.

Replacement is a familiar procedure for glow-engine tuners: remove the existing plug with the correct socket, inspect and clean the thread and sealing washer area, then hand-start the new plug before tightening to a snug fit. Ensure proper seating and avoid cross-threading or excessive torque to protect the engine threads.

In tuning scenarios this plug influences ignition reliability and combustion stability. Regularly check the electrode for fouling or wear, measure the gap as part of service checks, and swap the plug when it shows signs of damage or inconsistent performance.

How resistant is this plug to fouling during extended running?

Fouling depends on fuel mix and running conditions. Inspect the electrode after long sessions; replace the CHAMPION RCJ4 if deposits build up or performance falls off.

Can I reuse the sealing washer?

It is best practice to inspect the washer and replace if deformed or damaged. A fresh washer helps ensure a proper seal when installing the new plug.

Will this plug affect peak RPM or top-end performance?

When in good condition the plug supports consistent ignition, which helps maintain top-end and peak RPM. A worn or fouled plug can reduce top-end response and should be replaced.

Copyright © 2008-2026 rcjaz.co.nz All rights reserved