Damn it. Due to a rarity of riding this wet CA winter, two of my bikes won't idle without choke. I've had Stabil in the tank since last fall but apparently it didn't work worth a damn. I tried Seafoam in the tank (ran rough with smoking, naturally), then straight Seafoam from a small external tank directly into the fuel line (smoking), then drained all the float bowls and ran straight Seafoam from the external tank again, cut it off, and let it sit for 72 hours. One bike (gen 4) got to the