Fuel Tank Mod - K-Bikes.com - Excellence in Motion
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post #1 of 16 (permalink) Old May 27th, 2006, 1:18 pm Thread Starter
 
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Fuel Tank Mod

I'm trying a mod that I carried out on my GS ADV which is to drill a small vent hole in filler neck to allow you to really brim the tank. If I can keep the bloody fuel light out till I've done 200 miles I'll be happy.
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post #2 of 16 (permalink) Old May 27th, 2006, 6:12 pm
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Fuel Tank Mod?

Where is it that you drill this hole? I'm interested in the same as I'm not happy about the range. How do you keep the drill debris out of the tank?
(Of course, eljeffe suggests he got 49mpg on his 2k trip to Colorado. Must be highway mileage.)
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post #3 of 16 (permalink) Old May 27th, 2006, 6:20 pm
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Let me know where you decide to drill the hole.

BTW, While in NM at mostly above 5000 feet, I was able to get 260 miles out of one tankful. That was 22 miles past the low fuel warning light coming on. It took 5.6 gallons. That comes out to 44.8 MPG and left 0.8 gallons left in the tank. The computer said I was getting 49 MPG, but I'll trust the old pencil and paper test.

I haven't yet done the "run until I chicken out" down here in Dallas yet, but I would think you should be able to get 200 miles before the light comes on.

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post #4 of 16 (permalink) Old May 27th, 2006, 7:34 pm
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Fuel Mileage

44.8 sounds more reasonable than 49. Thanks for the clarification. One of us needs to throw a gallon of premium in the topcase and drive it dry. Any volunteers? :-)

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post #5 of 16 (permalink) Old May 27th, 2006, 7:58 pm
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Quote:
Originally Posted by Regnillub
44.8 sounds more reasonable than 49. Thanks for the clarification. One of us needs to throw a gallon of premium in the topcase and drive it dry. Any volunteers? :-)
That's what I got today in the low lands on the east coast, pretty mug flogging it on back roads in 3 and 4th gear. I'm happy, RT would have been just under 40.

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post #6 of 16 (permalink) Old May 27th, 2006, 11:10 pm
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Do not forget a spare fuel pump too - there will be a high chance to need it( for the test I mean):-))

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post #7 of 16 (permalink) Old May 28th, 2006, 6:04 am Thread Starter
 
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Quote:
Originally Posted by Regnillub
Where is it that you drill this hole? I'm interested in the same as I'm not happy about the range. How do you keep the drill debris out of the tank?
(Of course, eljeffe suggests he got 49mpg on his 2k trip to Colorado. Must be highway mileage.)
I'll get the camera out to show you lot. Debris was dealt with by putting a piece of duct tape in the nozzle and any black plastic that does make it loose will be stopped by the gauze just before the fuel point pickup. :wtf
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post #8 of 16 (permalink) Old May 28th, 2006, 6:25 am Thread Starter
 
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Some pics.

Obviously drilling on the RH side is best for SStand fillups.

NOTE: I did use a drill NOT a centrepunch! Gives you an idea of angle!
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post #9 of 16 (permalink) Old May 28th, 2006, 7:30 pm
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Interesting,

How well does it work?

As an aside, I got more than 200 miles today before the light came on. After 212 miles,
refilled with 5.21 gallons. If you want greater range, try lowering the windsheild! (Really, it makes a big difference.)

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post #10 of 16 (permalink) Old May 29th, 2006, 7:46 am
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Quote:
Originally Posted by pikeydave
If I can keep the bloody fuel light out till I've done 200 miles I'll be happy.
Until I hit 5000 km (3100 miles) the reserve fuel light came on after about 280 km (174 miles), now it never comes on before 320 km (198 miles), pretty close to 200 miles, so maybe you just should be patient...
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