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Jim567
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Posts: 5
Joined: Tue Apr 21, 2020 12:15 pm
Main scooter: Lambretta series2
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Hi all running 30mm Dellorto carb when starting I have to put hand over mouth to get it to start . 200head any ideas cleaned Jets Thanks jim
mick1
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Posts: 1292
Joined: Sun Dec 04, 2011 7:43 pm
Main scooter: Li Avanti 225
Location: York
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Sounds like your choke jet is too small.....do you know the sizes of your jets, it might help ?
AUSSIE
registered user
Posts: 142
Joined: Thu Jan 22, 2009 2:50 pm
Location: Oswestry, Shropshire
Contact:

If it was starting normally and just started playing up I would clean out the pilot jet circuit, also worth checking the choke cable for wear or the nipple breaking off.
If it is a new build I would check your ignition timing, my 185 rebuild was a pig to start and I, like you had to cover the carb mouth to get it started. Turns out even though the timing marks were correct when I strobed it up the timing was way out. Strobed timing to 18 degrees and it starts 1st or 2nd kick every time.
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