I've got a problem with poor performance in the rain that I just cannot seem to puzzle out. Its a stock '81 C70. Whenever we have a good amount of rain the bike has a tendency to bog down and loose all power whatsoever. It will idle just fine, and in 1st gear I generally have no problems getting the bike up to full revs. As soon as I shift into second all momentum stops. Its almost like when Han tries to put the Falcon into hyperdrive. If I shift back to 1st i can regain the momentum, and if I let the bike scream in first it seems like I can eventually shift into 2nd and have power. Today was a little different in that I had a big hill to go up which generally requires 1st anyway, and i definitely didn't have all the power I needed. Any thoughts? i do have the breather drain tube plugged up, so its not sucking water up that way. It also doesn't seem 100% electrical because turn signals and lights all continue to work just fine. Thoughts? I've got 8 hours before I have to slog home.