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The Green Spark Plug Company£1.97Visit shop Champion Rj19lm Rj19lm/T10 Rj19lm/W24 Spark Plug Standard New Champion-Rj19lm
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The Champion RJ19LM spark plug is designed for owners of small engine outdoor power equipment, such as lawnmowers, who need a reliable, high-performance ignition component to ensure consistent starting and smooth operation. It serves as an ideal replacement for worn-out plugs, effectively maintaining engine fuel efficiency and power output. While it is engineered to meet original equipment standards for various models including Briggs & Stratton engines, users should verify their specific engine's compatibility before installation to ensure the correct reach and heat range.
| Model Part Number | RJ19LM |
|---|---|
| Brand | Champion |
It is generally recommended to replace the spark plug once per season or every 25 to 50 hours of operation to maintain peak engine performance.
While some plugs are pre-gapped, you should always check the gap against your engine's manual requirements before installation.
No, you must verify compatibility with your specific engine model. Check your equipment owner's manual for the correct part number.
You will need a spark plug socket (typically 13/16 inch for this model), a ratchet, and a spark plug gap tool.
A black, sooty plug often indicates a rich fuel mixture, a clogged air filter, or excessive idling.
Ensure the spark plug wire is securely attached and verify the gap is set to the manufacturer's specification.
Check that the plug is tightened correctly and that the ceramic insulator is not cracked.
To install the RJ19LM, ensure the engine is completely cool to avoid thermal shock to the cylinder head threads. Use a spark plug socket to remove the old unit, being careful not to let debris fall into the open spark plug hole. Before installing the new plug, check the electrode gap using a feeler gauge to ensure it meets your engine manufacturer's specific gap requirements. Hand-thread the new plug initially to prevent cross-threading, then tighten firmly with a wrench, typically 1/8 to 1/4 turn past finger-tight. Periodically inspect the plug for carbon buildup and clean with a wire brush if necessary to extend service life.
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