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Dell'Orto phm40 60/1 slider questions??
Posted: Sun Jul 10, 2011 1:03 pm
by 78ducati
Can anyone explain me the numbers on the slide? I need to get new sliders for my PHM40 carbies, but need to get an understanding of the numbers, is 60/1 /2 /3 etc or 50/1 are those number in relation to the pump ramp? height and when to pump acceleration? can I make 50/1 a 60/1 with filling or grinding, or is it the opposite, in other words if I get 50/1 or 60/1 which of the 2 is more customizable?
Cheers...
Posted: Sun Jul 10, 2011 8:29 pm
by machten
Here's what the numbers mean...
Kev
Posted: Tue Jul 12, 2011 9:42 am
by Ray O'Donohue
60/70,etc is the cutaway. Dash-1,dash 2,etc is the pump ramp timing. A 60-1 slide is the way to go for your bike,with the set screw for the pump adjusted to 5cc per 20 squirts.
Posted: Tue Jul 12, 2011 9:44 am
by Ray O'Donohue
You ould make a 60 out of a 50,etc.....sound like a bad idea.
Posted: Tue Jul 12, 2011 10:00 am
by 78ducati
and how do I go about setting 5cc with set screw?? is it amount of turns???
cheers...
thanks
Posted: Tue Jul 12, 2011 10:05 am
by Ray O'Donohue
Right.
Posted: Tue Jul 12, 2011 12:20 pm
by 78ducati
Ray O'Donohue so how many turns out from closed position you think its close enough?
thanks
Posted: Fri Jul 15, 2011 8:45 am
by Ray O'Donohue
I can't remember...it was AGES ago!