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MOTOBRICK MARKETPLACE => FS WTB WTT ~ Bikes ~ Parts ~ Gear => Topic started by: grinderman on July 19, 2015, 09:55:21 PM

Title: ISO fuel parts
Post by: grinderman on July 19, 2015, 09:55:21 PM

Just bought a 1987 K100LT that has been setting for 9 years. I am in need of the fuel pump pre filter, the mounting ring for the pump, and the fuel level sending unit, mine are trashed. Thanks :bmwsmile

Title: Re: ISO fuel parts
Post by: Tuco on July 19, 2015, 11:15:49 PM

Napa #3032 on the fuel filter, MAX BMW for the fuel pump isolator and Beemer Bone Yard for the fuel sending unit.

Title: Re: ISO fuel parts
Post by: grinderman on July 20, 2015, 11:57:09 AM

Thanks I will get a hold of them  and see what they can do.  :riding:

Title: Re: ISO fuel parts
Post by: billday on July 20, 2015, 09:37:02 PM

I get my fuel filters from Beemer Boneyard

Title: Re: ISO fuel parts
Post by: thegingerbeardman on July 22, 2015, 12:31:43 PM

Quote from: grinderman on July 19, 2015, 09:55:21 PM

Just bought a 1987 K100LT that has been setting for 9 years. I am in need of the fuel pump pre filter, the mounting ring for the pump, and the fuel level sending unit, mine are trashed. Thanks :bmwsmile

you can try soaking the fuel sender in vinegar with light abrading with a brass or stainless brush to resurrect it.  it can be opened up too, to check the electrical function.  you have nothing to lose.  i tried it here
http://www.motobrick.com/index.php/topic,5738.msg37144.html#msg37144

went a little too far as you will see but that bike didn't have a fuel gage so there was no loss.

Quote from: Tuco on July 19, 2015, 11:15:49 PM

Napa #3032 on the fuel filter, MAX BMW for the fuel pump isolator and Beemer Bone Yard for the fuel sending unit.

why max bmw?  i'm a new guy too, and theirs is more expensive than others out there

euromotolectrics for instance

http://www.euromotoelectrics.com/BMW-K-Rubber-Vibration-Damper-16-12-1-464-628-p/fp-576damper.htm

i can't find the evidence right now but i though the euromotolectrics unit claimed to be more tolerant of ethanol in fuel that is pretty hard to avoid these days, not sure if the BMW part is or not.

Title: Re: ISO fuel parts
Post by: grinderman on July 22, 2015, 04:34:21 PM

I got it partially cleaned, There is no float or wire to the float. I believe that old float is the gunk in the tank. so it's off to find a sender. This is getting ridiculous the fuel must have been in there for at least 10 years, that's how long the bike set. Pressure was the inside of the tank with a commercial cleaner, and see how it looks. Thanks. :dunno2:

Title: Re: ISO fuel parts
Post by: thegingerbeardman on July 23, 2015, 01:35:56 AM

turns out i'm in a similar situation on the current bike, an 89 k100rs.  gas ate through the gauge windings as well as the solder joints providing power to the fuel pump.  le siiiiigh.

i think this one sat for about 12 years with gas in the tank.

anyway, good luck to us both!  used is scarce, new isn't really that bad but still a hefty price.

Title: Re: ISO fuel parts
Post by: billday on July 23, 2015, 07:45:02 AM

How much effort and expense is the fuel level stuff worth? The fuel level lights on my 85 are totally unreliable -- my favorite is when they light up just as I'm pulling out of the gas station -- I have always refueled based on the trip odo. Personally, I'd never put money or time into trying to make the fuel lights work.

Title: Re: ISO fuel parts
Post by: grinderman on July 23, 2015, 07:49:59 AM

That's how I tell on my other bikes. I think I will remove the old sender from the plate and reinstall it. and refuel by the odo.

Title: Re: ISO fuel parts
Post by: thegingerbeardman on July 23, 2015, 12:02:52 PM

i too usually go by the odometer but a fuel gage would be fun even if it lies.  the low fuel light portion might be saveable

i have nothing to solder the power wire back onto is my problem.  after this pic, i'll stop jacking your thread grinderman

(http://bayarearidersforum.com/forums/picture.php?albumid=2930&pictureid=19414)

Title: Re: ISO fuel parts
Post by: grinderman on July 23, 2015, 05:12:26 PM

Wow yours looks worse than mine. you might screw in a jewelers screw into the old wire and solder a wire to it, might work you never know. My next thing is to make sure the speedo works, the joy of ownership  :clap:

Title: Re: ISO fuel parts
Post by: rbm on July 23, 2015, 06:04:29 PM

That sender it TOTALLY shagged!!  Time for a replacement.  The resistive element is unusable in that state.

Title: Re: ISO fuel parts
Post by: grinderman on July 23, 2015, 07:57:47 PM

I just checked mine and there seems to be a resistor in wire coming off the low fuel light sender not repairable .

Title: Re: ISO fuel parts
Post by: jakgieger on July 31, 2015, 08:57:38 AM

I had the same situation (gas in tank for 15+ years).  The BMW dealer told me to use acetone to clean the tank, and it worked very well...just be patient.  Water and acetone, 50/50, slow shake, rinse with medium pressure water, repeat :bmwsmile.  Took all day but worked.  I am renewing the entire system.  The injector rail had debris in it as well...more acetone.  The new sender from BMW was 130$.  I am trying the injectors from Ebay, http://www.ebay.com/itm/201388267293?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Hope to try to start this Sunday...