Inlet manifold 30/TS1 fits rubber mounted, 26 - 30mm Dellorto PHBH, 24 - 30mm PWK type carbs for TS1 engines, MB


This manifold was designed by us after we were having a lot of trouble with standard TS1 manifolds fouling the frame.

People also complained they had to cut a hole in their panel to get their carburettor to fit.

To solve the problem we made a whole new manifold which offers better frame clearance and is designed to make sure your carburettor fits under your side panel.

It was also designed to replace the old rubber type Imola manifold after we heard a lot of reports of people having them splitting.

This manifold fits any TS1 cylinder (or mk1/2 Imola and Monza cylinders with slight modifications) and fits 28-30mm PHBH Dellorto, 28mm VHSA Dellorto, 30mm VHSH Dellorto and some of the smaller Keihin and TMX Mikuni carburettors.

It comes with an inlet gasket and 2 sets on fasteners to fit it with or without a reed packing plate.

This manifold fits straight into a Yamaha and BGM reed block.

If you are fitting this manifold with the standard TS1 reed block you will need to cut a small notch and slot in the parts that fit inside the reed block.

If you are fitting it to an Imola / Monza you would need to remove the two "fingers" completely match to the reed block and will only fit with mk1 and 2 versions, it doesn't fit with mk3 where the reed block fits into machined groove.

The spigot size of the manifold is 35mm.


Inlet manifold 30/TS1 fits rubber mounted, 26 - 30mm Dellorto PHBH, 24 - 30mm PWK type carbs for TS1 engines, MB

£ 63.88
Price: £ 53.23 Ex Vat


  • Designed by Mark Broadhurst.
  • Cast in the UK.
  • Machined in house.


  • Fits all carbs.
  • Fits small or large block casings
  • Carbs clear all frame, engine and frame parts.
  • Designed to fit all Lambretta cylinder kits.
  • Designed to match all types of inlet ports.

Development History

  • Mark Broadhurst has designed and manufactured more inlet manifolds to suit Lambretta scooters than anyone else.
  • Developed over time to suit various carburettors used on Lambrettas for different applications.
  • Made in England and machined in our own engineering department.
  • Designed to clear all frame, engine and body parts.
  • Reshaped to clear panels.

Reasons to Buy

  • Tried and tested.
  • Easy to fit.
  • Fits many carb applications.
  • As used by most dealers around the world for over 20 years.


  • Either use an inlet gasket or Silicone sealer to seal the manifold.
  • Match the inlet manifold to inlet port and inlet port to inlet manifold for better results.
  • Tighten inlet screws together.


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Questions? ( 5 )

Do you have a Question?

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John E on 28 May 2015 asked "Do you have any plans to make a TS1 manifold with the flange type rubber mount to allow use of a 30mm PHBH with a filter? Regards"

MB Scooters Ltd replied: Yes in plan for later in 2015

Matt on 06 Nov 2010 asked "Hi, are these short enough to give enough clearance under a series three panel to run without a hole in it, with a PHBH? thanks"

MB Scooters Ltd replied: It will if you use this filter MBU0447

Graham M on 04 Mar 2009 asked "I have a question about "Carb inlet manifold 30mm Dellorto Imola/TS1, MRB" can you explain a little more about the 'little notch' to be cut as i run a standard ts1 and like the idea of no hole in the panel. is this an easy modification-have you got a photo before and afte?"

MB Scooters Ltd replied: On the reed side of the inlet manifold there are two 'tongues' to direct the gas flow.

The standard TS1 reed has a little bridge that would fowl so you need to cut a notch in the 'tongues' to stop it from fowling.

If you imagine the tongue as a V then the modified one would look like a W.

Alessandro on 02 Feb 2009 asked "I have a question about "Carb inlet manifold 30mm Dellorto Imola/Ts1 MRB" Do you have the rubber manifold to fit it and phbh 30 carb?"

MB Scooters Ltd replied: This is the part number required to work with this carb and Inlet manifold MBU0086

Jean on 17 Dec 2008 asked "I have a question about "Carb inlet manifold 30mm Dellorto Imola/Ts1 MRB" Hello, I have BGM reed block with a independent stuffer for air flow. In your manifold, they are the airflow include? I dont need to fix the stuffer for air flow? (I don't see the underside of the manifold) Thanks a lot best regards JEan"

MB Scooters Ltd replied: Our manifold comes with the stuffer as part of the casting.

This fits into the BGM Yamaha reed block but needs modifying for the Imola type reed block.

You have a choice: cut off our stuffer figures and use your stuffer or just fit our manifold.

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