Bike sat for I'd say 7 weeks. And the ride was 20-30 minutes no real speed.
Once we did most all the swaps/mods we rode it around and the bike did quite well , pulled good got up to speed good. But if you crank the throttle it would stutter then once the bike warmed up (after riding for 20-30 minutes) it would start getting worse. I would have to ease into throttle ever so slightly to keep from sputtering but eventually it would just sputter than stall out.
Once stalled, i Let it sit for a hour (took it to the mall), then rode it home and it did about the same thing maybe slightly worse since it didn't fully cool down.
1976 R90/6 Cafe
Sorting out all the kinks.