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« on: April 08, 2014, 10:45:53 PM »
I'd say you wouldn't want to hit more than 240-250 degrees. I got close to that one time on some slow trail riding/ lots of wheel spin in the winter and just started packing the radiator with snow while it was running to cool it down. Wasn't' the quads fault by any means, just wasn't paying attention the temp gauge. on my R with the Pro-X cylinder, inline cooler and my walsh rad I rarely get above 160-170 unless its ungodly hot out and I'm in first gear. as soon as I'm cruising along in second the temps go right down.
If you want to flush your rad on your R just figure out which way the coolant flow is and pull the hose off of the outlet side.
-Brett-