Well the discovery was great allday yesterday with 2013 has great bottom good mid and top at 250 ish with great idle motor has just over gallon onit and has almost no pinch feels like 6-8 gallon old o.s. . I am not worried about that at all though motor is better than waz expecting run time was 8 min. Prob. Could have pushed towards 9. Was happh with that as well since i have heavy throttle finger