Predator Stage one carb jets.

[Binger]

I am thinking about buying a stage one Kit to install on my predator 212. I know it comes with a bigger main jet. I live at 6000 feet elevation and am curious about rejetting for this altitude. I have seen a high elevation kit advertised for stock engines with 2 jets. One for 3000-6000 feet and another one for above 6000 feet. I understand both jets in this kit are smaller than stock. SO here is my question. What jet is recommended for elevation a around 6000 feet for a stage one kit? better flow means a need for more fuel but, at altitude would I be ok running a stock jet with the stage one kit? I haven't bought the kit yet and was doing some research as to what to expect. I just bought the motor and am not sure if it has the new style EPA carb that wont allow a jet change. I will buy a different carb if necessary also. any help is appreciated.

Thanks,
John Binger

 

[landuse]

If it were me, I would first run it stock and see how the engine performs. You can also do a spark plug test by running WOT for a bit and then cutting the engine. Pull the plug and have a look at the colour of the tip. This will tell you if it is running lean or rich.

It might be a trial and error type thing for you at your elevation

 

[Binger]

If it were me, I would first run it stock and see how the engine performs. You can also do a spark plug test by running WOT for a bit and then cutting the engine. Pull the plug and have a look at the colour of the tip. This will tell you if it is running lean or rich.

It might be a trial and error type thing for you at your elevation

I agree with you about the trial and error and reading the Plug. I can order several jets and see what I can come up with. Does anybody know the Jet sizes that are offered with the High altitude kit? wondering how much smaller they are from stock. If I know relative size I can get a better idea how much smaller jet to start with from the .036-.0038 that the stage one kit starts with.