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Spark plug for Mercury, Yamaha, Suzuki and Tohatsu petrol outboard engines, in 2T and 4T versions. It generates the spark in the combustion chamber of each cylinder; The RC9YC thermal gauge covers multiple displacements and generations. Check every 100 hours in 2T and every 200 hours in 4T.
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CHAMPION RC9YC SPARK PLUG
CHARC9YC
€5.29
Tax included
Spark plug for Mercury, Yamaha, Suzuki and Tohatsu petrol outboard engines, in 2T and 4T versions. It generates the spark in the combustion chamber of each cylinder; The RC9YC thermal gauge covers multiple displacements and generations. Check every 100 hours in 2T and every 200 hours in 4T.
Description
Function and technical context
The Champion RC9YC spark plug is the component of the ignition system responsible for generating the electric spark that initiates the combustion of the air and petrol mixture in the chamber of each cylinder of the outboard engine. Its thermal gauge is selected to optimally dissipate heat in two- and four-stroke cycle engines, keeping the center electrode within the temperature range necessary for a clean, consistent spark. When the electrode erodes or accumulates carbon deposits, the spark becomes weak or irregular, compromising complete combustion and degrading the overall performance of the propellant. The direct result is increased fuel consumption, higher emissions of unburned hydrocarbons and a reduction in available propeller shaft power.
When to replace this part?
The clearest signs of a bad spark plug in an outboard are difficult cold starts, "misses" or jerks at cruising speed, unstable idle, and the engine's inability to reach its usual maximum revolutions. In two-stroke engines it is advisable to inspect and renew the spark plugs every 100 hours of navigation, while in four-stroke engines the interval is extended to 200 hours or the period indicated in the engine manual; In any case, it is advisable to review them at each season tune-up. Getting ahead of the failure by replacing the spark plug preventively is the most economical maintenance intervention and has the greatest impact on the reliability of the engine outside of port.
Compatibility
| Marca | Tipo de motor | Observaciones |
|---|---|---|
| Mercury / Mariner | Motores fueraborda 2T y 4T | Verificar el calibre térmico requerido en el manual de mantenimiento del motor |
| Yamaha | Motores fueraborda (modelos que especifiquen bujía RC9YC) | Confirmar equivalencia en el manual del motor |
| Suzuki | Motores fueraborda (modelos que especifiquen bujía RC9YC) | Confirmar equivalencia en el manual del motor |
| Tohatsu / Nissan Marine | Motores fueraborda (modelos que especifiquen bujía RC9YC) | Confirmar equivalencia en el manual del motor |
Referencias equivalentes de fabricante▾
| Manufacturer/Brand | Reference/Part Number |
|---|---|
| Tohatsu | RC9YC |
| Yamaha | RC9YC |
| Honda | RC9YC |
Product Details
CHARC9YC