Occasional stalling at idle and poor performance and fix

[NortonCharlie]

My latest 01 Tiger seemed to be a little week and it would sometimes stall coming back to an idle.  I had the latest tune loaded which fixed a few things but not this.  I finally pulled the tank and air box and found a mouse had built a nest in the air box.  The filter element was still intact but soaked in urine and whatever, but at least not letting crud through.  A cleanup, new air filter and grommet around the idle motor and it is running like a champ.

Also, the fuel gage.  My old 01's fuel gage is great, linear and the fuel light would come on when the needle hit the bottom of the red with 1 gallon of fuel left.  The new 01, the only time I've seen the fuel light is shortly after filling the tank when the gage goes to zero for a bit then returns to full, sometimes cycling back and forth a couple times.  Then it seem about right till the needle hits the red, then it stops moving.  I have run the tank dry (push mode) without the light coming on.  Are these the symptoms telling me I need a new sending unit?

[iansoady]

Sounds like you have one of the defective sender units. These have a float made out of a white foam-like substance. The better ones have a float made of a harder, smooth grey plastic. After changing mine it has been fine.

But Charlie, aren't you the one who taught us all about fuel gauges in the first place?

[NortonCharlie]

But Charlie, aren't you the one who taught us all about fuel gauges in the first place?

That is possible, I thought you were all a bunch of winers because my gage worked great.  I stand corrected.  I have a spare sending unit I was planning on putting in my RS, I guess the Tiger gets it instead.