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So, Polaris dealer a few hours away diagnosed the problem and fixed the problem with the sled for 10% of the cost estimated by the local dealer. Swapped EGT, new sealing ring between exhaust manifoil and exhaust pipe, adjusted TPS from 0,93 to 0,95 volts, also checked and adjusted the position...

Seems like in my case the gas on the local pump has ethanol, have the ethanol resistor though. But also it seems to be lower comp on both cylindres,93 psi, and seizures on the intake side of the cyls and pistons. Hopefully the crankshaft and bearings are ok..... Will post updates when I've...

Today I spoke to a polaris dealer other than the local dealer. Local dealer = burned down engine, was in for tps test/calibrating and they did not even hook it up with a cable to check. dealer far away = the said check exhaust valves/solenoid, reeds, fuel filter, air box for leaks, voltage...

Hey guys. I'm having the same issues here with a 2009 Polaris 600 H.O. rmk 155" I've been running since oct. 2012 and had a few issues since then, a few cut-off's with high ambient temp, but nothing serious like sounds or something. First I got the resistor for running with ethanol fuel (we...