Carb

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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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Tue Apr 21, 2020 6:40 pm

Can someone tell me why I can not start my scoot with out putting my hand over carb mouth ?

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garry inglis
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ebay user ID: garry52uk
Main scooter: ts1 230 and rb200
Location: darlington
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Tue Apr 21, 2020 6:49 pm

i would start with cleaning the carb internals especially the choke and pilot jets clean them and make sure all holes are clear then make sure the choke is closing off fully

Jim567
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Joined: Tue Apr 21, 2020 12:15 pm
Main scooter: Lambretta series2
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Tue Apr 21, 2020 7:52 pm

Thanks Garry I’ll give it a go in the morning jim

Nannan56andgrandad54
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Joined: Tue Apr 21, 2020 4:23 pm
Main scooter: Lambi
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Tue Apr 21, 2020 8:51 pm

Did you have any joy with your carb, definitely sounds like a blocked jet to me or the choke is sized, the way to tell is if it starts and runs once it's warm it's the choke, if it will not run properly when warm it's jets , remove your carb and strip, clean and clean out jets with a piece of copper wire and blow them out.. I once fitted a brand new carb and the engine would not run properly and when I looked inside the main jet was blocked by a small piece of aluminium from the machining during manufacture. I got there in the end and that was a brand new jetex carb..

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rosscla
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Main scooter: Lambretta
Location: Lanarkshire
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Wed Apr 22, 2020 12:28 am

Welcome aboard - try your question in the tech section though
"Our dilemma is that we hate change and love it at the same time; what we really want is for things to remain the same but get better."

Nannan56andgrandad54
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Joined: Tue Apr 21, 2020 4:23 pm
Main scooter: Lambi
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Wed Apr 22, 2020 9:03 pm

I replied but it went nowhere I hope this forum isn't difficult to use because I am very knowledgeable about lambrettas but alas I am a dummy with websites sorry I could help a lot of people..

Jim567
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Posts: 5
Joined: Tue Apr 21, 2020 12:15 pm
Main scooter: Lambretta series2
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Wed Apr 22, 2020 10:13 pm

Sorry all didn’t get chance to play today will keep you posted ps hope everyone is in good health stay safe

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drunkmunkey6969
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Main scooter: '69 Lambretta GP
Location: North Yorkshire
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Fri Apr 24, 2020 10:14 am

rosscla wrote:
Wed Apr 22, 2020 12:28 am
Welcome aboard - try your question in the tech section though
I second that... and welcome.

Nannan56andgrandad54
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Joined: Tue Apr 21, 2020 4:23 pm
Main scooter: Lambi
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Sun Aug 30, 2020 6:17 pm

Carb = SHORT FOR CARBURETTOR. THIS IS THE COMPONENT ON AN ENGINE THAT MIXES THE PETROL WITH AIR BEFORE INDUCTION AT A PREFFERED RATIO OF 15:1 BY WEIGHT. IN AMERICA THEY ARE OFTEN REFERRED TO AS MIXERS.

holty
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Main scooter: lambretta gp
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Mon Aug 31, 2020 8:50 am

hi and welcome, is this on a lambretta ? a common fault is the choke cable not fitted correctly, what carb is it ?

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