What does Y stand for on a spark plug?

What does Y stand for on a spark plug?

V-grooved center electrode
A V-grooved center electrode is indicated by the letter Y. The spark plug gap is indicated by the number after the number.

What does the R mean on a Champion spark plug?

Resistor
[R] Resistor – If an R is present, this indicates a resistor type spark plug. Resistor type spark plugs reduce the amount of radio frequency interference (RFI) that can cause ignition misfires and static on the radio.

Is RCJ7Y the same as CJ7Y?

They are interchangeable. The CJ7Y is a non-resistor spark plug. The RCJ7Y is the same plug with a resistor.

What is the gap on a cj8 spark plug?

CJ8 Spark Plugs

What is the spark plug gap for a champion?

The gap setting is different for each vehicle but most are somewhere between 0.028″ and . 060″. Consult the owner’s manual or Champion ® catalog to find the recommended setting for the vehicle you’re working on.

Is CJ6 same as RCJ6Y?

Re: Spark Plug Education According the the Champion numbering system chart I’m looking at, the RCJ6Y has a “standard projected core nose” firing end design, whereas the CJ6 has a “conventional” firing end design.

What is the difference between rcj6y&rcj8y spark plugs?

What Is the Difference Between Plug RCJ6Y & RCJ8Y? Champion makes a wide range of spark plugs, including the RCJ6Y and the RCJ8Y types. Knowing which plug to use in a particular engine can be difficult, as the plugs are very similar. The only difference between plug RCJ6Y and RCJ8Y lies in their heat ranges.

Can I use Champion Spark Plug cj8y to replace CJ8?

Finding the Champion Spark Plug CJ8 sold out, I was informed by the mower repair shop that the Champion CJ8Y was an acceptable replacement. I purchased it, but after researching I’m inclined to believe it should NOT be used to replace the CJ8.

What is the size of a CJ8 plug?

CJ8 is the standard plug C = short plug J = 14mm x 3/8″ thread with a 13/16 hex 8 = heat range

How to identify rcj8y’s?

go to Champion’s web page, it is all there. RCJ8Y is the standard plug with a higher resistance and a longer electrode. Then there is a 3 ,4 or 5 digit number on the box. That is a use number so I can buy them with 3 different gap distances so I don’t have to set the gap before fitting.