So I went down on a ride, and didn't realize radiator leaked all the fluid out and cooked the bike. I'm in the process of taking the head off. There's oil on the spark plug and the exhaust pipe. Also there is coolant in the oil. I'm assuming water pump seals and piston and ring damage. Question is, is it worth putting a big bore kit in the bike or just replace the piston? What's the acceleration and power difference? It's an 06 and I do 60% street, 40% dirt.