I just got a 03 warrior and ordered the pro design filter intake sysem. Everything else about the engine is stock, including the jetting (I live around 900 ft above sea level). In a month I will be in the mountains in new mexico around 9,000 to 12,000 ft. How does the warrior run at these altitudes? I am fine losing some power.

Last year I took my Honda Rancher and Bayou 220 up there and the 220 we had to take off the airbox lid above 10,000 ft to get it to run. The rancher is a 329cc and ran ok with the lid on but around 11,000 ft and up it would miss a lot at high rpm but lower rpm it would run ok. Both machines had reduced power and all engines were stock set up for low altitide settings.

Do you think if the warrior does not run well I can just pull the airbox lid off and run like that at these altitudes or do I need to think about rejetting to get it to run up there.

I was hoping someone on this board has some experience with their warrior at these altitudes, like I said before I am fine with some power loss.

Thanks for the help.

 

Your thoughts of removing the airbox lid to get it to breathe better at higher altitudes are valid. What I ended up doing was punching 6 1.5" holes in the airbox lid and just taping them off to ride in the lowlands. When I reached altitude, I'd untape them 3 at a time. This allowed me to run and be fairly comfortable in not being too lean (I don't think your setup will hurt you much if you remove the entire lid).

As for the power losses, you can re-coupe quite a bit of it if you were to change to a 12 Tooth front sprocket. I did this for my 3rd trip out to Colorado and let me tell ya, I never went back with the 13tooth on. Of course, I wasn't trying to be ricky racer at any point and time either, It sure was nice knowing that I still had power when I needed it. There were plenty of situations when the climbs were steep and without the re-couping of previously lost power, I'd have had to turn around and go back to camp.

If you are not looking for tons of speed, the $11 investment in the sprocket will proove beneficial.

Hope this helps.

 

Thanks for the reply, yes I ordered a 12 tooth front sprocket a few days ago so I should get it soon. What elevations did you have it at in colorado?