1 Noisy fuel tank non return valve on 1984 K100RS Tue Jul 03, 2012 7:02 am
KJB
active member
I have heard a noise comming from the fuel tank and at first I thought it was the fuel pump getting old (my bike has 51,000 miles) so decided to replace both the fuel pump and filter at great expense. When I fitted the nee fuel pump I was horrified to find out the noise was still there. Anyway I tracked it down to the last possible thing which was a non return valve on the return pipe (You can take it out by a 19mm spanner). I took the spring and the ball bearing out and hey-presto...no noise.
So save yourself ££££ by not paying for a fuel pump and check that first!
My question is what can I replace the non return valve with-did BMW modify this for the early models? I'm told the later tanks have a N-R-valve which is not compatible with my 1984 tank???
Thank you for any suggestions
Regards Kim Beresford
So save yourself ££££ by not paying for a fuel pump and check that first!
My question is what can I replace the non return valve with-did BMW modify this for the early models? I'm told the later tanks have a N-R-valve which is not compatible with my 1984 tank???
Thank you for any suggestions
Regards Kim Beresford