Hi I have a 1994 Arctic Cat EXT580, after awhile of riding today it seems like the right cylinder is not firing, it has spark but it doens't look like alot, it got to the point where it did not have enough power to move, after it sat for a while it seemed to get better, please help what should I do or check.

First, change the plugs, then check compression. *Both cylinders should be 5-15% of eachother. *How many miles on the machine?

The CDI could be going bad. * Is the fuel somewhat fresh? *How are the plugs.