Champion Spark Plug Spark Plug P/N:327
Champion Spark 801C spark plug for the 2006-2007 Aprilia RS 50 and other vehicles ignites the air-fuel mixture in the cylinder.
Hard starting, a misfire or a rough idle can be signs of a worn or fouled plug. With the engine off and cool, look at the removed plug's electrode and insulator for wear, oil or carbon. Fouling can come from elsewhere in the engine, so find the cause before you replace the plug.
As a small-engine plug, it also fits the 2004-2007 Kawasaki KX250, which takes one plug, and the 1987-2006 Yamaha YFZ350 Banshee, which takes two, one per cylinder. It is built to meet OE fit, form and function. If your machine is not named here, look it up by year and model in the "Vehicles it fits" section.
Fit and size
Build and materials
One spark plug with a crush washer.
Interchange: N3C
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
Is the Champion Spark 801C spark plug right for a 2004-2007 Kawasaki KX250?
Yes. Champion Spark 801C fits the 2004-2007 Kawasaki KX250, which takes one plug, and the 1987-2006 Yamaha YFZ350 Banshee, which takes two. Other machines are in the "Vehicles it fits" section.
Does the 801C spark plug come with a washer?
Yes. Champion Spark 801C comes with a crush washer, and the plug is pre-gapped.
What thread size does the Champion 801C spark plug have?
The thread diameter is 14 mm (0.551 in). This plug has a flat seat and uses a crush washer.
How can I tell if a small-engine spark plug is worn?
Hard starting, misfires or a rough idle can be signs of a worn plug. With the engine off and cool, look at the electrode and insulator for wear, oil or carbon fouling.
Is the Champion Copper Plus 801C an N3C spark plug?
Yes. Champion Spark 801C is plug type N3C, and N3C appears on this page's Interchange line.
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