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Starting

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Starting

Postby Marty ULC » Tue Sep 12, 2017 10:26 am

Scooter is becoming more difficult to start in the mornings.
First kick she fires once or twice then dies then it's either 20-30 kicks or a bump to get her going.
Once warmed up she's grand, goes well, ticks over well, plug colour fine.
Changed rings recently and found the old ones were a bit gummed up and one was just over the gap limit so thought that would've been the problem but it's still the same.
Where should I start looking first?
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Re: Starting

Postby MickYork » Tue Sep 12, 2017 10:39 am

New spark plug. Check choke.
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Re: Starting

Postby grandpa » Wed Sep 13, 2017 11:53 am

Hi Marty
+1 on the choke
If you remove bellows and hold a piece of cardboard over the carb Venturi to act as a choke and it starts ok I would strip and clean carb paying particular attention to rubber seal on choke plunger if it's a Delly or Jetex

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Re: Starting

Postby lam1962brettagg » Sat Sep 30, 2017 7:42 pm

hi Marty
sounds like damp maybe in the coil connections possibly? or elswhere in the electrics.
im curious about the choke seal grandpa ? where exactly will i find that on a dellorto?
cheers
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Re: Starting

Postby grandpa » Mon Oct 02, 2017 11:46 am

lam1962brettagg wrote:hi Marty
im curious about the choke seal grandpa ? where exactly will i find that on a dellorto?
cheers

Hi Lam1962brettagg
If the rubber seal on the bottom of the choke plunger has disintegrated and is blocking the choke jet.
http://www.scooterrestorations.com/lamb ... 1-and-sh2/
Everything (like me) is old on a Lambretta
I wonder what fixed it?
Grandpa

" I don't really need a Lambretta as I have a buss pass :lol: "
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Re: Starting

Postby lam1962brettagg » Mon Oct 02, 2017 12:57 pm

Hi grandpa
am not too far off a bus pass myself :D
yes wonder if Marty got it sorted?
i dont seem to have a rubber seal at all not sure if i ever did. we are talking standard dellys mine is s1/18
cheers
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Re: Starting

Postby lam1962brettagg » Mon Oct 02, 2017 1:02 pm

Not to worry grandpa just remembered where it is derrr. memory not as good as it used to be. :?
Marty.
have you had any luck with that yet?
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Re: Starting

Postby Marty ULC » Wed Oct 04, 2017 8:35 am

Haven't had a look at it yet, been too busy playing with my series1.
Wondering if having too big a float jet (300 in a 25mm carb) might be causing it to flood?
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