Turning to the internet for some help here. I recently got a 2013 XRS 800 off a friend, he had the sled in prior to selling it to me for what he described as a check engine light after fast running and it would only get to about 100 kmh and then struggle to reach 130kmh. The dealer said it was fixed and just needed a new battery and clutch rollers (LOL). So I picked it up from the dealer and within 10 minutes of riding I get the same symptom as he described, so I took it back to the dealer and they pulled a OP 1477 code. Again, they say its fixed, one of the vacuum lines was broken. I then ask if they even took the raves apart, they said they were fine and didn't need to be clean. I get the sled home from the dealer Saturday, check engine light is back after about 5 minutes of lake running.
I took the sled into the garage and decided to do an inspection myself. Below is what the "clean" rave valves looked like... So I cleaned them, 5 minutes on the lake and the light is back on. I COULD be mistaken but the sled appears to run properly except the check engine light, its hard to tell due to so much snow on the lake and not getting a good pull on hard pack.
When taking them apart to clean I DID NOT look at the bellows. I looked at the vaccum lines, they were good.
What could the problem be, only thing left is bellows, but I think the sled is running too well to have a punctured bellow. Could it be a bad RAVE sensor? The sled is going into the dealer again today and I'd like to offer them some suggestions.