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Old 01-19-2017, 09:14 PM
hooternut hooternut is offline
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Default 2014 RMK Assault 800 5-6,500 RPM Bog? (SLP stage 3)

Hey guys, looking for some advice here. I have a 2014 RMK assault 800 with about 1200 miles on. Sled has SLP stage 3 kit installed. At home the sled ran amazing before I went up to elevation. I live in MN and just had it at the Big Horns this past week and while at elevation it developed a bad, consistent bog at approximately 5000-6,500 RPMs. If you hold it in this RPM range it has a severe bog/sounds possibly as running on just one cylinder. It idles well and runs incredible wide open. It is fine if you pull through the range but if you stay it WILL happen every single time. I did install the high elevation fuel map in the fuel controller. I did put the low elevation map in to see if anything would change-no change so I re installed the high elevation map. It has never thrown the warning light on and I unfortunately ran it this way trying to stay out of this range for three days. We do not really have any snow left here in MN so I have not been able to run it while back at home yet. My best thought at this time is possibly an injector. I am not very experienced with these engines yet so I am open to any and all advice. Thanks a lot guys.
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Old 02-19-2017, 06:04 PM
gtwitch gtwitch is offline
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Check Plugs for loose ones and also might need to check and clean exhaust valves if they have not been done. What is compression? Might be a reed also. Start with the simple and work to the more complex!
gtwitch in wyoming
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Old 03-05-2017, 07:59 PM
john 624 john 624 is offline
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Wondering have you ever figured it out?
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