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Hard to Start & Only Starts With Choke When Hot?

Posted: Mon Mar 28, 2011 10:33 pm
by Bilko
Posting for a friend.

His Lambretta is a bit of a bitch to start and when the engine is hot/warm it won't start without the choke.

Any ideas?

Re: Hard to Start & Only Starts With Choke When Hot?

Posted: Tue Mar 29, 2011 2:55 am
by blue
Weak carburation, whats he running?

Re: Hard to Start & Only Starts With Choke When Hot?

Posted: Tue Mar 29, 2011 11:51 am
by Bilko
Spec is as follows.

Rayspeed Stage 4 175
Sterling exhaust
Dellorto PHBH 26mm

X7 Needle on second clip down
40 slide
45 Pilot
107 Main

Re: Hard to Start & Only Starts With Choke When Hot?

Posted: Tue Mar 29, 2011 12:41 pm
by carlos fandango
yeah weak pilot

i had a similar set up 175cc 26mm phbh and clubman i think it had 48 or 50 pilot
ive got the carb set up at home ill have a look late.
One thought though is it of a bike and is it 4 stroke? Has it been converted to 2 stroke?
Russ

Re: Hard to Start & Only Starts With Choke When Hot?

Posted: Tue Mar 29, 2011 1:36 pm
by Bilko
Thanks.

I suggested weak pilot last night, but I'm usually wrong.

As far as I know it's definately not off a bike