Author Topic: Inaccurate gas warning light  (Read 21613 times)

Offline Laitch

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Re: Inaccurate gas warning light
« Reply #25 on: September 09, 2016, 10:38:41 PM »
Bend it, screw it, ride it!
Do all three. Take no chances. Prevent apoplexy in Ohio at the same time!
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Martin

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Re: Inaccurate gas warning light
« Reply #26 on: September 09, 2016, 10:56:29 PM »
They were never meant to be that accurate, get someone to follow you around with extra fuel and forget about the light. Chaos or Laitch might volunteer, unfortunately I'm too far away.
Regards Martin.
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Offline Laitch

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Re: Inaccurate gas warning light
« Reply #27 on: September 09, 2016, 11:07:32 PM »
They were never meant to be that accurate, get someone to follow you around with extra fuel and forget about the light. Chaos or Laitch might volunteer . . ..
I volunteer. Come on up here and I'll follow you around—you provide fuel, container, cappuccino and pizza. Mondays and Wednesdays are open.
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Martin

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Re: Inaccurate gas warning light
« Reply #28 on: September 09, 2016, 11:12:03 PM »
What no profiteroles  :lets-eat: Hold out for the profiteroles.
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Offline Laitch

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Re: Inaccurate gas warning light
« Reply #29 on: September 09, 2016, 11:37:38 PM »
What no profiteroles  :lets-eat: Hold out for the profiteroles.
Too dangerous, Martin. I nap when I eat those.
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Chaos

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Re: Inaccurate gas warning light
« Reply #30 on: September 10, 2016, 12:07:28 AM »
Had to google that.  surprised it didn't involve Fosters
  • sw ohio
1987 K75S    VIN 0231
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sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline Martin

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Re: Inaccurate gas warning light
« Reply #31 on: September 10, 2016, 12:27:48 AM »
Chaos you are a Barvarianoops barbarian, you've never had profiteroles. Laitch what going on, I expect you to educate our brother Chaos on the delights of profiteroles and their close cousin eclairs. Brother Laitch go forth and educate this poor soul.
Regards a disappointed Martin.
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Offline Chaos

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Re: Inaccurate gas warning light
« Reply #32 on: September 10, 2016, 01:07:51 AM »
being unpretentious salt of the earth types here in the heartland we drop our haughty ways and call them creampuffs.  this episode could have been avoided had you used our terminology.  Of course, laitch probably calls maple syrup  "acer nectar" or something baffling.
  • sw ohio
1987 K75S    VIN 0231
Original owner, Original litter
200,000 miles (plus or minus) and 5 paint jobs
sold 6/23
2023 Ural 2WD sidecar (BMW's bastard step child)

Offline Martin

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Re: Inaccurate gas warning light
« Reply #33 on: September 10, 2016, 01:34:56 AM »
Chaos I'll let brother Laitch educate you on the differences between profiteroles, eclairs and the poor old cream puff.
Regards a sorrowful Martin.
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  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Laitch

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Re: Inaccurate gas warning light
« Reply #34 on: September 10, 2016, 08:56:42 AM »
. . .  the differences between profiteroles, eclairs and the poor old cream puff.
The main difference is that profiteroles can't be left in a croaker sack while you're fishing because they're usually filled with ice cream. Nonprofiteroles are given away.
  • Along the Ridley in Vermont.
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Offline White Dog

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Re: Inaccurate gas warning light
« Reply #35 on: September 10, 2016, 10:26:05 AM »
AAAAAARHG!!!  23 post to bend a stupid rod.  (or turn Martin's screw)  Bend it, screw it, ride it!

Chaos, That's funny!  You haven't seen anything yet.  Go over to the CB1100 Forum and do a search for "RLETS."

As for the final repair, bending the rod seems to be the easiest and quickest to do, but maybe not the most accurate.  But as I read on subsequent posts, the low gas warning light is not gospel--only a guide.
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Offline kennybobby

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Re: Inaccurate gas warning light
« Reply #36 on: September 10, 2016, 11:53:42 AM »
Well since i have an empty tank sitting around waiting to be repaired i'll crack this loose.

Here's what the sensor looks like when looking down thru the fill port, a side view to see the little teeth in the circuit board, and how to insert the screwdriver from your tool kit between the lever tabs to move a tooth fore and aft.

This is what i reckon would accurize this thang:  you could run it low on fuel, then put it on center stand and remove the fuel line at the forward end of the fuel rail and pump out all the gas (jumper rear terminal of fuse 4 to front terminal fuse 6) until the pump can't reach anymore.  Then reinstall fuel line and pour in 4L or 1G, or less if you are sporty.  Turn the key to ON and kill switch to RUN such that IC lamps come on.  Insert tool kit screwdriver as shown in photo and lever the gear tooth fore and aft such that the fuel lamp just flickers and goes off.

Pulling the free end of the screwdriver toward the front turns the lamp on, and pushing it towards the rear of the tank turns it off.  This be the action of the lever.

Now when you're ridin and the fuel lamp comes on you will know exactly how much fuel you have left before you have to push that heavy lump.

p.s.  notice how clean that sucker looks from May of 1986...
Ridin' 87 K75S vin 1334,
Renchin' 86 75S vin 0061

Offline Laitch

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Re: Inaccurate gas warning light
« Reply #37 on: September 10, 2016, 01:56:56 PM »
Here's what the sensor looks like when looking down thru the fill port, a side view to see the little teeth in the circuit board, and how to insert the screwdriver from your tool kit between the lever tabs to move a tooth fore and aft.
Thanks for the helpful photos, kennybobby.
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline kennybobby

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Re: Inaccurate gas warning light
« Reply #38 on: September 10, 2016, 02:34:04 PM »
You're welcome--when i heard about the adjustment feature i had to find it and see for myself...
Ridin' 87 K75S vin 1334,
Renchin' 86 75S vin 0061

Offline stokester

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Re: Inaccurate gas warning light
« Reply #39 on: September 10, 2016, 02:45:15 PM »
AAAAAARHG!!!  23 post to bend a stupid rod.  (or turn Martin's screw)  Bend it, screw it, ride it!

Still good info for my archives... 
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Offline White Dog

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Re: Inaccurate gas warning light
« Reply #40 on: September 10, 2016, 02:58:03 PM »
Kennybobby, correct me if I am wrong.  The sending unit is mounted on the outside bottom of the gas tank and must be removed from the bottom.    You lost me when you were talking about making the adjustment to the wheel inside the tank, but your pics appear to be of a sending unit out of the tank.  If I put 4L or 1 gallon of gas in the tank, the sending unit has to be mounted to the tank--correct?  (Otherwise, the gas will run out of the bottom of the tank.)  I'm just a tad confused on the instructions.

BTW, I cannot see the sending unit inside the tank looking thru the fill hole.  Yeah, I could take the filler cap assembly off the tank but won't now, because I just filled it on my way home Thursday night.
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Offline kennybobby

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Re: Inaccurate gas warning light
« Reply #41 on: September 10, 2016, 03:10:51 PM »
i removed it to take pictures to show the gear and adjustment features.  The adjustment is made while it is in the tank.  When it is almost empty there is plenty of room for your hand to reach in there.

You have to remove the fill cap to see this toward the rear of the tank.
Ridin' 87 K75S vin 1334,
Renchin' 86 75S vin 0061

Offline White Dog

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Re: Inaccurate gas warning light
« Reply #42 on: September 10, 2016, 03:21:33 PM »
Makes more sense now.  Thanks for your help.
  • Basement Garage
  • '95 K75 ABS.
'95 K75 ABS Red
'96 R1100RT Burnt Orange
2008 Goldwing Black
2014 CB1100 Std. Black
Reside in NC

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