jetting

sxtuner

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On 03 rx1s when you put air filters on I know you change main jets but do you change any of the other jets?
 
filters

With the ECP filter kit all you change is the main jets to 165. I wouldn't waste your time with just filters, go with a ECP kit which has filters, pre filters, jets, and different carb springs. I have 2 identical 05 RX 1's. 1 has ECP and 1 stock. Feels like 2 totally different sleds. my .02
 
I installed richer pilots and removed the little internal carb screens.Four seasons with no tuning issues.Just install shuttoffs,external fuel filters.
 
Dont forget to set fuel screws,I think they are set two turn out from all the way in(double check it though).My fuel screws from the factory were all over the place.Sync the carbs too.

I removed the little tiny filters and installed inline filters same as GUKROKIT,I recomend this as well since your going to have the bottom of the carbs off its a good time to do it.
 


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