Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm

MBGM0610K

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MB Reed Tuned Race-Tour package, the same as the popular piston port version but with all the added improvemnts of having a Reed valve tune and Reed assembly.

MBgm Race-Tour 225 cylinder kit using the new Reed cast coated MBgm 70mm piston. Touring reed valve tuned, with Reed assembly to suit a Dellorto PHBH 26, 28, 30mm carb.

The reed tune transforms a piston ported RT cylinder, lifting power across the rev range making a smoother more powerful engine. You need less revs to set off, tickover and jetting is improved as is fuel economy.

This is what is involved

  • Inlet manifold bolted to the cylinder and perfectly match, flowed and polish to the inlet port
  • Inlet port is matched, opened and flowed to work with the reed assembly
  • A boost port is cut above the inlet port
  • Exhaust ports are reworked to suit 58/60mm crankshafts
  • Transfers are altered as they go into the cylinder and flowed
  • Transfer feeds are flowed
  • Cylnder is light honed afterwards
  • Cylinder is ultra sonic cleaned
  • Piston to bore clearance is matched

Click here to read about the benefits of a reed valved engine

It includes:
 

  • Alloy cylinder with Retro Reed porting spec by Mark Broadhurst - designer of the kit
  • Plated cylinder bore
  • 70mm MBgm Cast coated Race-Tour Reed piston kit
  • MB Shorty Reed assembly to suit Dellorto 26, 28, 30 PHBH carbs
  • Machined CNC cylinder head with 8 point mounting
  • High tensile long cylinder studs and special head nuts
  • Exhaust manifold studs and washers
  • MB exhaust deep Brass nuts
  • Inlet gasket
  • 4 point exhaust gasket
  • 0.5 and 0.7mm MB base alloy gaskets
  • 4 high tensile head bolts and washers
  • Now comes with SPARE MB carbon reed petals
     

Ready to fit.

Small end bearing and heads gasket come separately.

PLEASE READ THE SETTING UP INSTRUCTTIONS AND CARB SETTING UP BEFORE YOU PHONE FOR ADVICE
Click here for Setting up instructions



Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm
  • Lambretta Cylinder kit, Race-Tour RT225/230, bgm reed piston, Reed tuned, MB shorty reed assembly, PHBH, MBgm

£ 991.30
Price: £ 826.08 Ex Vat



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Steven on 02 Nov 2023 asked "Hi, using a 30mm phbh and standard gp crank, what bhp and torque figures could be expected from this kit. "

MB Scooters Ltd replied: Would depend on set up, carb and dyno used. 20-26bhp

Jeremy R on 20 Aug 2022 asked "Hi Will the RT 225 with reed work with a 64 mm crankshaft"

MB Scooters Ltd replied: Yes but the head needs machining to suit and the porting needs looking at

Martin on 07 Oct 2021 asked "What exhaust would you recommend for this kit please "

MB Scooters Ltd replied: Best were testing at the moment is the MBgm Sport

NICK B on 04 Aug 2021 asked "What are the advantages over the piston ported kit? Cheers"

MB Scooters Ltd replied: https://www.mbscooters.co.uk/info/mb-*-tech-articles/engine-tech-*-reed-valving+80.html

Stephen S on 14 Jul 2021 asked "Hi mark, can the rt cylinder be made to exit the carb same side as the ts1? Because I already have hole in side panel and oiltek long range tank with right side cut out. Thanks Stephen "

MB Scooters Ltd replied: Sorry no left hand side only



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