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My thoughts on this... You need a kickstand lift block as the longer shocks are tilting the bike enough to affect the tank fill since the filler is in the center of the tank. See Bung King.
Dragging this thread back out. So after doing a 2300 mile trip this year I can definitely say I was at least a half gallon short in my main tank (shorts me at least 20 miles) and I can't really trust my reserve tank, because if it cuts that short as well there would be problems. I went from being able to comfortably go a little over 200 miles knowing I had a few left if need be, to hitting reserve at about 160 and knowing I may only have another 20 or so.
Dragging this thread back out. So after doing a 2300 mile trip this year I can definitely say I was at least a half gallon short in my main tank (shorts me at least 20 miles) and I can't really trust my reserve tank, because if it cuts that short as well there would be problems. I went from being able to comfortably go a little over 200 miles knowing I had a few left if need be, to hitting reserve at about 160 and knowing I may only have another 20 or so.
Is anyone else noticing this or is it just me?
This doesn't surprise me at all. As others have stated either lift the kick stand or lift the tank to compensate.
It sounds like you're getting pretty good mileage though, my butt is definitely not iron enough for 160 miles non stop, might as well put gas in.
A 1 inch tank lift would equate about 3 inches lifted in the rear. The pivot point when lifting the front of the tank is at the back end of the tank while the pivot point when lifting the rear of the bike is the front wheel. The rear axle is about three times as far from the front wheel as the rear of the tank is from the front of the tank. That and the front of the tank isn't very far back from the front wheel so to correct the geometry of the tank would take much lift. I would guess that lifting the rear of the bike has made your gas gauge show more gas in the tank than it previously did so you are just filling it earlier than you used to. Just like lifting the front of the tank will show lower gauge readings. I guess it could cause flow issues with the crossover hose, and in that case a tank lift of an inch or so should do ya good.
Last edited by Jay Guild; Nov 14, 2017 at 03:45 PM.
Looked at pictures of your bike and changed my mind, I have to agree with previous posts that with the center gas cap you are getting too much lean and not able to fill up the tank enough. Get a 1 inch longer kickstand or one of those lift blocks.
...or just straddle the bike and hold it upright while topping the tank...
Always an option. It would be nice to be able to fill it up like that and then put it on the side stand, however it tends to overflow (did that one time and nice a nice puddle of fuel underneath).
Thanks for all the input. I think i'll go ahead and try both options to see what happens. I've already got tank lift brackets fabbed up so i'll try that first and depending on what happens i'll give the kickstand block a try.
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