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View Full Version : 2002 Closed Crankcase



SmogNazi
04-29-2005, 12:37 AM
Hey Guys-

I was reading online about a guy with a 98 xr400, same engine at our 400ex. He mentioned that the california emissions engine used a closed crankcase and the federal emissions bike used an open crankcase but you can convert it. My 02 is a california emission 400ex, is it worth converting? I would think so but honda advertised the closed crankcase as a good thing to help lower oil consumption. Any ideas?

Erik