upgraded to 13:1:1 piston 2006 rmz 450 help!

JDMX54
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JDMX54
Edited Date/Time 3/7/2014 5:16pm
I upgraded from a 12:1:1 to 13:1:1 high compression piston in my 2006 rmz 450. having over heating issues now. thinking it's running to lean. any suggestions on new jet sizes and other possible troubles. thanks!
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JDMX54
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JDMX54 3/6/2014 10:07pm
3/6/2014 10:07pm
also the bike has a white brothers slip on and stock air filter box. Im thinking of Dynojet, but I dont know which stage to get??
circus
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circus 3/7/2014 6:09am
3/7/2014 6:09am
What jetting do you currently have in it now? And what temperature is it that you will be riding in?
pete24
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pete24 3/7/2014 10:59am
3/7/2014 10:59am
the left radiator has a bleed screw at the top people dont bleed it and air gets trapped try bleeding it, if thats not it call ICW radiators he makes a splitter so both rads get equal coolant
JDMX54
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JDMX54 3/7/2014 5:12pm
3/7/2014 5:12pm
circus wrote:
What jetting do you currently have in it now? And what temperature is it that you will be riding in?
the carb is stock jetting with the needle clip on 3 of 7. im in Maryland so the temp ranges from 50 to low 90's.

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JDMX54
Profile picture for user JDMX54
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5
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Little Orleans, MD US
JDMX54 3/7/2014 5:16pm
3/7/2014 5:16pm
pete24 wrote:
the left radiator has a bleed screw at the top people dont bleed it and air gets trapped try bleeding it, if thats not it call...
the left radiator has a bleed screw at the top people dont bleed it and air gets trapped try bleeding it, if thats not it call ICW radiators he makes a splitter so both rads get equal coolant
Funny you bring up the radiator. I bought a new set of radiator's off ebay about six months before upgrading the engine. the rads were a aftermarket company out of FL. They are still sellling them like crazy on their. i dont think the new rads came with a bleeder. Will check and get back. Thanks good advice.

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