200 lost tickover and harder to start

Anything related to Lambrettas... ask tech questions, post helpful info, or just read and learn.
Stebbelaner
registered user
Posts: 107
Joined: Tue Mar 02, 2021 7:03 pm
Main scooter: Lambretta SX200
Contact:

Hi folks,sorry another request for help.
My Serveta rode perfectly yesterday on a 40 mile jaunt with a couple of refreshment stops.Then after the third stop it took a few kicks to get going and wouldn't idle at junctions.Got home and found that I could only get it to tickover with the choke on.
Suggestions please for most likely causes?
db67
registered user
Posts: 182
Joined: Thu Apr 30, 2009 8:30 pm
Contact:

Air leak? could be several things that have come loose :- inlet manifold, exhaust downpipe, cylinder head, carb,spark plug or something a lot simpler like a split air hose rubber? fuel flow , blocked tap/filter , float sticking? or the tick over screw has wound itself out. Good luck ;)
Daggs
registered user
Posts: 776
Joined: Wed Jan 07, 2009 1:23 pm
Location: Addington Kent
Contact:

The pilot jet is blocked.
Stebbelaner
registered user
Posts: 107
Joined: Tue Mar 02, 2021 7:03 pm
Main scooter: Lambretta SX200
Contact:

Yep,carb clean and it now seems fine🤞
I was surprised by the amount of dirt in the carb (running Breathe Sweet type foam filter)
I've now put a pop sock over the outer layer open cell foam to add another layer of finer filtration.
Daggs
registered user
Posts: 776
Joined: Wed Jan 07, 2009 1:23 pm
Location: Addington Kent
Contact:

Most dirt in the carb comes out of the petrol tank. Anything sucked in ends up in the barrel.
Try an inline fuel filter.
Stebbelaner
registered user
Posts: 107
Joined: Tue Mar 02, 2021 7:03 pm
Main scooter: Lambretta SX200
Contact:

:👍
Post Reply Previous topicNext topic
  • Information
  • Who is online

    Users browsing this forum: No registered users and 37 guests