CRF250 Piston Inspection/Cleaning

Been doing work / cleanup on my 05 crf250x carb. Took a quick look at my intake valves and there is quite some build up on the top of valves. Could be gas vapor deposits or oil deposits.

2005crf250xintakevalve-2.jpg

My plan is to remove the entire head and rebuild. Or purchase a new 07 CRF250R Head with Kibblewhite Valve & Spring Kit.

MY QUESTION TO ALL IS:

Since I will have the head assembly off what are your recommendations with inspecting and cleaning the piston????

Thanks for your input and advice.

i would just replace your piston and rings since your replacing your head

i would just replace your piston and rings since your replacing your head

+1 and go with the higher compression 250R piston too.

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