cl77 gas tank differences

305 nut · Post by **305 nut** » Sat Oct 16, 2010 8:26 pm

Hello, glad to be back, sold all my 305 stuff a couple of years ago and just aquired 2 very restorable cl77's. One of them I got has the tank with the transfer nipple on the lh side and the other doesn't. Obviously the one that doesn't have it would be easier and less messy to remove if you have to. I've never run one of the tanks without the transfer nipple, are there any disadvantages to usuing one? Looks like you may get a lot of gas standing on the lh side that may not transfer if your riding on level straight roads. Any help would be greatly appreciated. Also looking for oversized wrist pins. thanks nutt

davomoto · Post by **davomoto** » Sat Oct 16, 2010 8:39 pm

Nut, I like the tanks without the crossover, saves me the trouble of plugging them! You could always lean the bike over to slosh fuel to the other side, a reserve, reserve of sorts. Make sure that your petcock doesn't have the crossover nipple as well, or you can plug it.

rustywrench · Post by **rustywrench** » Sun Oct 17, 2010 10:19 am

Or you could do as some do and just route the tube over the frame instead of under. Same principle as Davo's in eliminating the equalization factor. I have found this reserve handy when not paying attention to how far I've traveled and getting short on petro.

Do yourself a favor and add your location to your profile as if you hang around here long enough, you'll surely get barked at for it. RW

gramey7 · Post by **gramey7** » Mon Oct 18, 2010 10:10 am

LM also mentioned sometime ago about running the crossover tube over the frame, but I am having difficulty understanding how the fuel could rise above the tank level and go uphill to get to the right side. Can some knowledgeable physics person explain this to us?

rustywrench · Post by **rustywrench** » Mon Oct 18, 2010 11:18 am

Gramey7,
I'm no physics major but I have it on good authority that fuel don't flow up hill to get to the other side but when you work on these old critters as much as I do and need to pull the tank often, it's nice not having to deal with that tube. Me thinks that is what Honda engineers had in mind when they made the change to the seamed tank.
I did once, in the presents of a group of Harley riders, leaned my scrambler over to slosh some gas just to make sure I made it to the station. "Bet you can't do that" I said with a grin, just my goofy country sense of humor I recon, Rw

davomoto · Post by **davomoto** » Mon Oct 18, 2010 11:36 am

If you really want the crossover tube, motion pro sells an inline quick connect. Be sure to get the one that stops fuel flow on both ends. Around $50

G-Man · Post by **G-Man** » Mon Oct 18, 2010 1:58 pm

Guys

If you route the tube over the frame rail the high point will be higher than the end of the tunnel at the back of the tank. You might as well just block the two nipples off and save effort!

I have a NOS early (no seam) tank without the crossover nipple, so Honda eventually worked out that it was a waste of metal.

G