190cc card setup info

Check here for a list of various carb set-ups to help with jetting and all aspects of carb trickery!
muttlee
registered user
Posts: 2
Joined: Sat Feb 06, 2016 10:12 am
Main scooter: lambretta Li 190cc s3
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Hi all a little jetting advise needed please..
just finished rebuilding my s3li engine new gp200 crank (58-110) upgrade
my set up now is
175 steel barrel bored to 190cc (by MB) Yamaha piston
sterling big bore exhaust
timing at 19deg
original 150 gear box
28mm delly PHBH BD
Which bring me to main question brought this second hand and this is whats inside
main 122
pilot 57
atomizer BN266
slide 45
needle x25
choke 70
needle valve is 250 not sure of float weight
after trolling through carb set ups on here im guessing most need changing
Thanks for reply's/info
Lee
shamrockexpress
registered user
Posts: 330
Joined: Mon Sep 28, 2009 12:44 am
Contact:

muttlee wrote:Hi all a little jetting advise needed please..
just finished rebuilding my s3li engine new gp200 crank (58-110) upgrade
my set up now is
175 steel barrel bored to 190cc (by MB) Yamaha piston
sterling big bore exhaust
timing at 19deg
original 150 gear box
28mm delly PHBH BD
Which bring me to main question brought this second hand and this is whats inside
main 122
pilot 57
atomizer BN266
slide 45
needle x25
choke 70
needle valve is 250 not sure of float weight
after trolling through carb set ups on here im guessing most need changing
Thanks for reply's/info
Lee
i would say pilot 50 or 55
atomiser av 266 or 268
needle x7 or x13
main start at 130
choke 70
slide 40 or your 45 should work..........

this is mostly a starting point as its simlar to one of my set ups..........................good luck
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