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Champion Spark Plug RC12YC for Marine Engines
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Champion Marine Spark Plug (RC12YC)

Part No. 121415


You pay £1.50 Incl VAT You pay £1.25 Excl VAT

Normally £2.44 Normally £2.03

RRP £2.70 £2.25

Save £1.20 (44.4%) Save £1.00 (44.4%)


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Brand Champion
Model RC12YC
Construction Nickel Alloy Electrodes, Copper Core Centre Electrode.
Suitability Please See The Description For Engine Suitability.
Thread Size 14mm Male
Size Hex: 16mm (5/8")
Reach 19mm (3/4")
Range Heat: 12
Resistor Yes
Projection Projected Core Nose
Seat Gasket Seat
Centre Electrode Standard Nickel
Ground Electrode J-Gap Nickel

Champion Part Number: RC12YC

Champion spark plugs are the industry standard fitment now for many well-known engine manufacturers. Whether you have an inboard or outboard petrol engine, chances are Champion can provide the spark plug you need. This is the RC12YC model Champion spark plug.

This conventional spark plug has nickel alloy electrodes and a copper core centre electrode that allows increased conductivity and heat control.

RC12YC Spark Plug suits:

AIRMASTER Airboats: w/Kohler 25 hp. (V-Twin).

REDLINE: 350 cid Alum. Head.


HANSON MARINE ENGINES: 85 hp Montana Troller.

JOHNSON: 9.9 hp 10EL,10R (4-Stroke) 2004-02, 15 hp 15R,15E (4-Stroke) 2007-05, 25 hp 25E,25EL,25R,25RL (4-Stroke) 2007-05.

NISSAN: 70 hp 3-Cyl (A) TLDI 2003-02, 90 hp 3-Cyl (A) TLDI 2003-01.

YAMAHA: 150 hp VX150 (EFI) 2000, 150 hp LZ150 (MPDI) 2004-00, 150 hp VZ150 (EFI) 2004-00, 150 hp Z150 (MPDI) 2004-00, 225 hp VZ225 2004-03, 250 hp Z250,LZ250,VZ250 2004-02, 300 hp Z300,LZ300,VZ300 2004.

SPRINT: Sprint 17 w/350 cid Redline Engines.

SEA-DOO: Utopia 185 w/Mercury M2 200 hp., Utopia 185 w/Mercury M2 250 hp., Utopia 205 w/Mercury M2 200 hp., Utopia 205 w/Mercury M2 250 hp., X-20 w/Mercury M2 250 hp.

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