This is the MRB designed RaceTour cylinder kit. They are available with 195cc (Ø=65mm) for the small casings (125 - 175 cc) as well as with 225cc (Ø=70mm) for the 200 cc casings.
Both offer significant improvements with respect to power.
This kit is a design of Mark Broadhurst for fast road use. The engines are easy to ride and feel like an original Innocenti Lambretta engine with double the power of a standard 200 cc engine. The kit is easy to fit and comes with all the needed studs, washers, gaskets and so on.
Update: Piston made in Italy by Meteor with running-in coating.

  • Features:
  • Ceramic plated alloy barrel
  • Four fixings of exhaust stub
  • 200 cc inlet stud spacing on small and large block barrels
  • Italian made (Meteor) piston kit with running-in coating (195cc =Ø65mm, 225cc =Ø70mm)
  • Two 1 mm piston rings (made in Italy)
  • Fully CNC machined anti warp head made from billet alloy with recess into bore and four additional fixing screws (8 fixings in total). Made in Germany.
  • Compression ratio for highest reliability
  • Porting spec for high powered touring with lots of torque and wide power band
  • Improved fuel economy saves money paying for the kit long term
  • Improved casting thickness around the cylinder head and base gasket, so it can be easily tuned

Cylinder kit -BGM PRO MRB-Racetour 195 cc- Lambretta LI 125-150, LIS 125-150, SX

  • General
    performance class: sport
    EAN: 4251389106197
    Gudgeon pins
    diameter: 16 mm
    Spark plugs
    thread type: M14x1,25
    thread spark plug: long
    heat rating NGK: B9ES
    displacement: 192.46 cm³
    bore: 65 mm
    engine type: 2-stroke
    type of cooling: air cooled
    material: aluminium
    material piston cylinder surface: Ceramic
    cylinder head inclusive:  
    cylinder gasket set inclusive:  
    number of transfers (incl.boost ports): 2
    shape exhaust port: single port (oval)
    exhaust mounting: flange
    flange type: MB
    exhaust bolt pitch: 65 mm
    thread exhaust studs: M7
    stroke: 58 mm
    number of piston rings: 2
    production method piston: cast
    Piston rings
    piston ring type: common ring
    thickness rings: 1,0mm
    circlip type: C-type
    wire size of circlip: 1,0mm
    Cylinder heads
    cylinder head type: one piece
  • Please message with your requirements , these kits can normally be delivered in 5-7 days from Germany