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Mark 1 Mugello/ sh1 20 manifold

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

Mark 1 Mugello/ sh1 20 manifold

Postby wibblethorpe » Thu May 16, 2019 7:30 pm

Took a phbh26mm carb off the mk1 185 mugello barrel that’s been on for years to fit an sh1 manifold and there’s no way the 20mm carb will fit because it clashes with the 200cc style silent block.
It’s as if the manifold studs aren’t at the proper angle on the barrel.Was this a known issue with the Mk 1.....
wibblethorpe
 
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Re: Mark 1 Mugello/ sh1 20 manifold

Postby bsso78 » Thu May 16, 2019 9:35 pm

You need to fit a TV175 inlet manifold, they are longer and let the carb clear everything.
It’s a bit of a coincidence because I’ve got one for sale!
bsso78
 
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Re: Mark 1 Mugello/ sh1 20 manifold

Postby wibblethorpe » Thu May 16, 2019 9:52 pm

It is a tv manifold. The length isn’t the problem it’s the angle. It throws the carb into the silent block. All I want to know is was there an issue with the mk1 mugello & the sh1 carb set up...
wibblethorpe
 
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Re: Mark 1 Mugello/ sh1 20 manifold

Postby Scooter Paul » Mon May 20, 2019 11:21 am

wibblethorpe wrote:It is a tv manifold. The length isn’t the problem it’s the angle. It throws the carb into the silent block. All I want to know is was there an issue with the mk1 mugello & the sh1 carb set up...

I’m sure you’re right. I seem to remember having the same issue once. I believe I got round it by slotting the manifold mounting holes and rematching the inlet manifold to cylinder.
Scooter Paul
 
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