Search found 5 matches

by rickshaw
Thu Jun 21, 2018 2:10 pm
Forum: gileraclub.de-Vintage/Oldtimer
Topic: 1964 jubilee 150cc carburetta setting
Replies: 6
Views: 981

Re: 1964 jubilee 150cc carburetta setting

Hi Nozem the float is 6.5 grms I have checked weight and its 6.4 so ok main jet is 95 pilot jet 45 needle tube is 260A, I have needle on No2 setting, there is a slight difference from diagram for jet size. I went for a short ride on bike last night its fine at normal revs but still not right at low ...
by rickshaw
Tue Jun 19, 2018 9:19 pm
Forum: gileraclub.de-Vintage/Oldtimer
Topic: 1964 jubilee 150cc carburetta setting
Replies: 6
Views: 981

Re: 1964 jubilee 150cc carburetta setting

Thanks Nozem for the diagram its really strange the idle jet is about 12mm above the main jet so it seems starved of fuel, lifting the level in the float chamber seems to solve the problem.
Thanks again Dave.
by rickshaw
Tue Jun 19, 2018 12:44 pm
Forum: gileraclub.de-Vintage/Oldtimer
Topic: 150 Giubileo carb problem
Replies: 0
Views: 456

150 Giubileo carb problem

Hi I have had problems with my 1964 Gilera it will not run on idle, I have noticed that the idle jet is very high up in the carburettor so have moved the float higher up on needle which seems wrong as there is only one setting, the bike now seems to run ok but it must be near to flooding could some ...
by rickshaw
Mon Jun 11, 2018 10:12 pm
Forum: gileraclub.de-Vintage/Oldtimer
Topic: 1964 jubilee 150cc carburetta setting
Replies: 6
Views: 981

Re: 1964 jubilee 150cc carburetta setting

Thanks Nozem for the reply, the carb is a UB20BS I am not sure of needle setting or mixture. I have cleaned out tank all pipes were blocked and carb soaked and cleaned with cellulose thinners!!
Thanks Dave.
by rickshaw
Mon Jun 11, 2018 3:24 pm
Forum: gileraclub.de-Vintage/Oldtimer
Topic: 1964 jubilee 150cc carburetta setting
Replies: 6
Views: 981

1964 jubilee 150cc carburetta setting

Help I am a new member and have purchased a 1964 150cc guibileo but I cannot get it to run on idle can any one help with carb settings as I have run out of ideas.
Many Thanks Dave.
My last Gilera was in 1961 a 175 sport which I bent on a ford consul?