Search found 3 matches

by au_carl
Mon Nov 04, 2013 3:27 pm
Forum: technical interest and new ideas
Topic: Norton JPS F1 dropping a cylinder on idle (running rich)
Replies: 6
Views: 7909

Re: Norton JPS F1 dropping a cylinder on idle (running rich)

Hi Wayne/CharlesWayne The reference to rpm when the fuel pump solenoid changes over from overflow to direct flow was an estimate by me the micro switch is adjusted as per the Norton commissioning book. My bike idles OK and then after a while starts to falter and drop to one cylinder, when the thrott...
by au_carl
Wed Oct 23, 2013 3:32 pm
Forum: technical interest and new ideas
Topic: Norton JPS F1 dropping a cylinder on idle (running rich)
Replies: 6
Views: 7909

Re: Norton JPS F1 dropping a cylinder on idle (running rich)

Hi Dell Boy & Wayne,Thanks for your suggestions and I will check those items out but having looked at the problem now for a few years and checked many things I am almost 100% confident that I have a fuel flooding problem to one rotor. My bike comes clean (firing on both cylinders) immediately af...
by au_carl
Tue Oct 22, 2013 5:08 pm
Forum: technical interest and new ideas
Topic: Norton JPS F1 dropping a cylinder on idle (running rich)
Replies: 6
Views: 7909

Norton JPS F1 dropping a cylinder on idle (running rich)

Hi All,I have just stumbled across your group and see that there are a lot of Norton enthusiasts present.I have a Norton JPS F1 and Suzuki RE5 and hope that I can both obtain some guidance on my bikes as well as contribute.Now my problem with the JPS F1:This is an original unmolested bike of 3,600 m...