Hard to describe but this is much worse at elevation (7000 ft). At throttle openings just above idle when moving slowly it's like a jake brake (slows down real fast and even sounds like one). When I look at the tach it is occuring around 4500 rpm and when you give it a bit more gas nothing happens then all of a sudden it gets through the jake brake feeling and jumps to about 6500 rpm. Really reminds me of my 99 700 rmk that was all nutted up with twin pipes not having any bottom end at all. Nothing and then all of a sudden it just launches. A novice rider would be into the trees and off the low edge in under 10 minutes on some of the tight 1 sled wide trails through the trees that we rode in revy on the weekend. If your hanging off the side and just milking the throttle and let off just a bit to much it will throw you right off the sled. Tried stock clutching, the purple black secondary spring, changed out plugs, tried different octane chevron fuel (from 94 down to 89) no change. The non-ethanol plug is in and has been since the 100 mile mark. The first 950 miles in the mountains it never happened at all. Injectors got replaced after the pto side failed in yellowstone. They were blue but got replaced with yellow and reflashed for yellow. (blue were on backorder) Sled runs fine at the bottom of the hill in revy (under 2000 feet) but progressively gets worse as you climb in elevation. Gets to the point that your ready to throw it off a cliff. Will be dropping it off at the dealer tomorrow. Thinking of asking them to get me some blue injectors again, it ran great on them until one failed. This was the first trip back to the mountains since the injector change. Sled has about 1300 miles on it.
low speed bog resembling jake brake at elevation
- Thread starter mt.sledder
- Start date
Search some older posts. That is EXACTLY what I had happening. Replaced all injectors and no problems since. They are not closing all the way so you are actually flooding the motor.
