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View Full Version : CR250 Water Temp?



Demon Hunter
06-13-2010, 09:33 PM
I ran it hard last time out and the RPM was 11350 and temp was 168 F I was wondering what is the max temp you guy's will go up to? Thanks for the help

jmracing29
06-13-2010, 09:49 PM
hell them things can just about take 200 degrees! lol ours did this weekend, but you definately dont want that. depending on who you ask, 140-150ish is where these motors make their peak performance. we usaually try to keep it at 135-145. hope this helps

SFM
06-13-2010, 10:29 PM
like said above wit da temp, but what year engine u running that you are twisting it that hard?:eek:

Demon Hunter
06-13-2010, 11:09 PM
It's a 2003

DoubleDRacing
06-13-2010, 11:27 PM
like said above wit da temp, but what year engine u running that you are twisting it that hard?:eek:

I here ya SFM almost think it would be stock stroke and bore or a standard bore stroker. As far as the temp. goes any thing over 160 is starting to push it but with this weather it's not out of the ????. :(

SFM
06-13-2010, 11:33 PM
you sure your tach is correct,but i'm as curious as D, what configuration is that engine(bore,stroke,rod length)

Demon Hunter
06-14-2010, 06:28 PM
Stock 2003 and yes the tach is correct.

westcoast250
10-21-2010, 04:05 AM
you better step your low speed jet up to step and you power up to step, this will let you motor run cooler

Uncle Dicky
10-21-2010, 12:59 PM
Yea about revs. If you are making power its O.K. to rev that high but we never noticed anymore unless we ran the EFI . I believe you can run that high because the 2002 Ignition is much better than 01 on back . You can make power at higher temps. also . We found this out by accident . There is a trick to it though . We are experimenting with that right now .

Jason M.
10-21-2010, 11:51 PM
I would attribute the high revs with the case Reed and bridged exhaust port configuration. Much like the rs125. I will be experimenting with an engine very similar in 2011 . Should rip!