rad cap

question? i have removed my rad over flow tank of my wrf 450 for weight reduction. in my last ride i lost about 2 oz of coolant. in my manual it says opening pressure is 15.6 psi.Is the yz 450 a higher pressure?

I wouldn't increase the pressure for only 2 oz of coolant loss, just check the level and refill prior to any ride. 2 oz is insignificant and not worth increasing my pressure/temperature for. I removed my bottle some time back without changing caps with similar results and no problems. Just don't idle her for any extended periods. :)


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