Hi guys, I am hoping someone out there has maybe had the same problem we are currently having.
We ride anywhere between 8-10000 feet in the northern utah, southern Idaho area. We live at 4500feet. We've got 3 900s, 2 2006 and 1 2005. one of the 2006 is giving us problems. It has got slp airbox, slp pipe, with cpi silencer, and the slp head Holtz all the way around. We have never had much luck getting it to tach above 7600 down here in the fields, As we get up to 9-10,000 feet, we're pulling about 74, 7450. The other 06 pulls 7850 at 10,000 and out performs hands down. SO, I began switching, I switched both primary and secondary, exhaust sensor, cleaned power valves, (and weakened springs) Rebuilt top end and balanced crank along with new bearings last fall, it's been flashed for the right color of injectors, I've got the ultimax 3 belt on it, new primary black/green spring and 19-42 gearing. I took it to our dealer, and he plugged it into to digital wrench, which showed all systems good.. but he did adjust the tps just a hair to be within specs, but it didn't give us maybe 50 rpms. WE are stumped... With weights we've gone (at 4500 feet)
Polaris 74 grams = 7450 rpm
Polaris 71 grams = 7700rpm
Polaris 70 grams = 7600rpm
Mtx weights 73 grams 7700
mtx weights 74 grams 7600
We'd like to pull 7950, 8000 down here so we can account for losing a couple as we go up.. Has anyone had this kind of trouble?
We ride anywhere between 8-10000 feet in the northern utah, southern Idaho area. We live at 4500feet. We've got 3 900s, 2 2006 and 1 2005. one of the 2006 is giving us problems. It has got slp airbox, slp pipe, with cpi silencer, and the slp head Holtz all the way around. We have never had much luck getting it to tach above 7600 down here in the fields, As we get up to 9-10,000 feet, we're pulling about 74, 7450. The other 06 pulls 7850 at 10,000 and out performs hands down. SO, I began switching, I switched both primary and secondary, exhaust sensor, cleaned power valves, (and weakened springs) Rebuilt top end and balanced crank along with new bearings last fall, it's been flashed for the right color of injectors, I've got the ultimax 3 belt on it, new primary black/green spring and 19-42 gearing. I took it to our dealer, and he plugged it into to digital wrench, which showed all systems good.. but he did adjust the tps just a hair to be within specs, but it didn't give us maybe 50 rpms. WE are stumped... With weights we've gone (at 4500 feet)
Polaris 74 grams = 7450 rpm
Polaris 71 grams = 7700rpm
Polaris 70 grams = 7600rpm
Mtx weights 73 grams 7700
mtx weights 74 grams 7600
We'd like to pull 7950, 8000 down here so we can account for losing a couple as we go up.. Has anyone had this kind of trouble?
