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stingray719
Well-known member
The viper won't run if the oil pump isn't primed. A few people have had to cycle the key a few times to reset it and to get the sled to fire after a roll over.
When I dumped mine upside down it didn't leak oil and fired right up, but I did have a couple crank but no fire after a side hill and some pow turns. A few key cycles and it was fine.
You may come upon a situation where the sled runs a bit upside down and you lose prime to the point that starting it and stopping it a few times wont reprime. In that case remove the vent line on top of the oil tank and plug it with your hand and crank. Four Stroke Solutions roll over valve has this feature built into it if you buy that it.