2
2strokes_are_awesome
Active member
Not sure if I'm having a VR issue on my 08 800 rmk. Its got ~1800 miles total, ~200 since the top end update. Riding last weekend and it was having a handful of runnability issues in the midrange, pcv must be set a little too rich because it cleaned up most of it when I plugged in the fuel wires (1* of timing and 5% less fuel)
Runability wasn't bad enough that it interfered with the rest of the ride so I wasn't worried. Started it up the next day to fill it up at the local gas station, ran and sounded fine. Cruising down the ditch it was running a couple hundred r's down from where it was on the last ride, checked the belt and its shot so I thought the problem was the belt. I didn't change the belt and kept riding to the gas station. Filled it up with the same 91 w/ethanol fuel that I use with every sled I ride around home and the same fuel I used the day before.
On the ride back home it was still down in rpm, about 7700 at the best point. It was running fine other than that and all of a sudden after landing on the other side of an approach the thing made and angry noise like the clutch was hitting the plastic so I let off the throttle and it died almost instantly. Popped the side pannel off and the plastic wasn't hitting. Spun the clutch slowly and it felt normal, even compression in both cylinders. Same normal feeling through pulling the rope. Thought to myself that i probably bumped the kill switch. I unplugged the ethanol wires at this point to give the engine as much fuel as i could just in case. Started up in 2 pulls. Ran 100-200 rpm less than it did before it died for about a quarter of a mile and made the noise again. I lifted off the throttle and it died again.
I checked everything I did the first time and made sure the pcv connectors were good along with the plug caps. Compression still felt good. Started up the first pull. Ran fine again for about a half mile and made the noise again. I burped the throttle wide open to see if it would stop and come out of it but it just dropped in rpm to about 4800 and wouldn't climb. Lifted again and died. Compression still felt good. Let the thing sit for about 5 min. Started in 1 pull but it idled low and sounded like it did when I scored the original piston last year.
The engine temp was at the usual 122ish area that it sits at and no det light from what I saw. Sound like a vr issue or the motor biting the dust? I'm just glad that the update was done less than a year ago.
I just plugged in the pcv to my laptop and everything was normal with it so that didn't get fried if it does turn out to be a vr issue.
Runability wasn't bad enough that it interfered with the rest of the ride so I wasn't worried. Started it up the next day to fill it up at the local gas station, ran and sounded fine. Cruising down the ditch it was running a couple hundred r's down from where it was on the last ride, checked the belt and its shot so I thought the problem was the belt. I didn't change the belt and kept riding to the gas station. Filled it up with the same 91 w/ethanol fuel that I use with every sled I ride around home and the same fuel I used the day before.
On the ride back home it was still down in rpm, about 7700 at the best point. It was running fine other than that and all of a sudden after landing on the other side of an approach the thing made and angry noise like the clutch was hitting the plastic so I let off the throttle and it died almost instantly. Popped the side pannel off and the plastic wasn't hitting. Spun the clutch slowly and it felt normal, even compression in both cylinders. Same normal feeling through pulling the rope. Thought to myself that i probably bumped the kill switch. I unplugged the ethanol wires at this point to give the engine as much fuel as i could just in case. Started up in 2 pulls. Ran 100-200 rpm less than it did before it died for about a quarter of a mile and made the noise again. I lifted off the throttle and it died again.
I checked everything I did the first time and made sure the pcv connectors were good along with the plug caps. Compression still felt good. Started up the first pull. Ran fine again for about a half mile and made the noise again. I burped the throttle wide open to see if it would stop and come out of it but it just dropped in rpm to about 4800 and wouldn't climb. Lifted again and died. Compression still felt good. Let the thing sit for about 5 min. Started in 1 pull but it idled low and sounded like it did when I scored the original piston last year.
The engine temp was at the usual 122ish area that it sits at and no det light from what I saw. Sound like a vr issue or the motor biting the dust? I'm just glad that the update was done less than a year ago.
I just plugged in the pcv to my laptop and everything was normal with it so that didn't get fried if it does turn out to be a vr issue.
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