distance to empty

delirious · Full Member Joined: Jun 05, 2008 Posts: 43

anyone have a rough idea`r wut the range is onna tank of fuel? wanna do some longer trips this summer.

Retiredgentleman · Posted: June 26, 2008, 11:56 am Post subject: Re: distance to empty

There are several different size tanks.................if you post the size then someone will know the answer.
y 78SE has a 11 litre tank. I get about 47 mpg. So with conversion it works out to about 136 miles (completely empty)

jimdi · 650Rider Supporter Joined: Oct 27, 2005 Posts: 512

my 81 has 2.5 gallon tank at 45 mpg - better on the highway - I always use 80 in town - 100 MAX on the highway

(that's why god made RESERVE)

erb224 · Posted: June 26, 2008, 3:56 pm Post subject: Re: distance to empty

I went about 100 mile before I had to go on reserve the other day... Shocked

dps-rider · Full Member Joined: Aug 25, 2007 Posts: 100

On my '78 Special I never allow it to reach reserve. Experience has shown me that reserve with this tank = almost no gas left.

I fill up when I get to 100 miles or so.

kingwj · Posted: June 26, 2008, 8:38 pm Post subject: Re: distance to empty

Start looking for gas at 110 miles. Never had to use the reserve and 2.1 gallons US will top it off.

dps-rider · Full Member Joined: Aug 25, 2007 Posts: 100

One of these days I'm going to see if I can raise the tubes for the on position on the petcocks. This will make it run out of gas in the on position sooner and make reserve something usable.

delirious · Full Member Joined: Jun 05, 2008 Posts: 43

thanx....its an `80 special, hit 189ks the other day and never needed reserve. i always reset the trip on my fill ups.and a visual check b4 going. wanna see if an xs 400 tank will fit, they`re bigger.

Cooltouch · Posted: June 27, 2008, 10:30 am Post subject: Re: distance to empty

If you fit a tank from a mid-to-late 70s standard, you'll gain another gallon (4 as opposed to 3). You'll have two petcocks to deal with instead of one, but it shouldn't be too difficult to replumb your fuel lines. You'll need to put a cap on the vacuum port on your left side intake boot as well.

Best,

ichael

delirious · Full Member Joined: Jun 05, 2008 Posts: 43

are the older standard tanks the same side profile, and wider or totally diff?

delirious · Full Member Joined: Jun 05, 2008 Posts: 43

mikes has 650 "standard tanks....will my vacuum petcock fit it? i can block off the other petcock hole?

delirious · Full Member Joined: Jun 05, 2008 Posts: 43

UPDATE: hit 209 km`s with passenger (me n the hottie come in around 300lbs LOL) and HAD to use reserve. have yet to find out how far reserve will take me.

.ET. · Full Member Joined: Jul 22, 2008 Posts: 28

If your not worried about maintaining the stock look, my buddy put a tank on his called the "porkster" its 5.3 gallons but is large compared to the original tank it also uses a cross pipe so the gas will drain out of both side of the tank using a gravity fed petcock

Joseph · Full Member Joined: May 22, 2007 Posts: 767 Location: NY

I seem to get about 38 mpg and turn on reserve near 90 but I have plenty in the reserve. atleast 30 miles I bet. You guys getting 45-50 mpg what are your crusing rpms I cruse at about 4-42000. I think I should get better milage. I cant adjust the pilots out enough to get dark plugs. I'll raise the floats abit see if that helps. I think it is on the mains toomuch. 80 w 34s.

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