Minarelli Malossi Pro-Racing Cylinder Kit Upgrade MHR Series 50cc 12mm for Minarelli  Horizontal 50cc 2-Stroke LC Malossi Malossi Racing Cylinder MALOSSI MHR 50cc 12mm for MINARELLI Horizontal 50cc 2-
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cylinder kit Malossi MHR Team 50cc 12mm piston pin for Benelli 491 RR 50 (-03) [Minarelli]
cylinder kit Malossi MHR Team 50cc 12mm piston pin for Benelli 491 RR 50 (-03) [Minarelli]
Item Nr.:
M.3111511
Malossi
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Minarelli Malossi Pro-Racing Cylinder Kit Upgrade MHR Series 50cc 12mm for Minarelli Horizontal 50cc 2-Stroke LC Malossi

MINARELLI Horizontal 50cc 2-Stroke LC M.3111511

Malossi 50CC MHR Team Cylinder kit. Currently the strongest 50cc capacity kit, specially developed for racing For 12mm gudgeon pins. 6 overflow ports and 3-piece outlet port. Timing and design of cylinder require 85mm rod and 12mm gudgeon pins. Malossi offers a special MHR-RHQ crank for this cylinder, which we carry of course. Wide range of cylinder base gaskets allow for varying compression ratios. Supplied with all necessary parts.

CYLINDER KIT MHR modular head
The new MHR MODULAR-HEAD CYLINDER KITS are the natural evolution of the MHR MALOSSI line. The result of the research of its engineers, they have been a decisive factor in the victories of the official national and European teams in the cross and speed trophies. Malossi is happy to be able to guarantee that all riders taking part in the coming season National and European Trophies will have a product offering excellent quality and performance.

MHR means MALOSSI HYPER RACING, which says it all. This series has the advantage of being engineered using MALOSSI‘s extensive racing experience. A production series that meets their claim to fame. MHR is a high end racing cylinder made of aluminum (good heat defl ection). Hard chromed piston race, performance pushed up to 16 respectively 24 horsepower, 6 transfer ports and max rpm‘s of circa 15,000. Should be driven with 12mm crankshaft. Motor periphery, such as exhaust/variomatic/ carburetor must be compatible with MHR, respective, Evolution accessories.

Material: special aluminium alloy with high percentage of silicon and titanium that guarantees exceptional strain strength even at high temperatures.
Heat treatment: special quenching and stabilising treatment that gives the material increased toughness and strength, guaranteeing that mechanical and size specifications will remain unaltered for temperatures of up to 250 °C.
Chip-forming machining: carried out on NC machining centres with extremely-limited size and shape tolerance (roundness, perpendicularity).
Inner surface coating: effected using silicon carbide on a nickel matrix with heat treatment that guarantees extreme hardness (around 600 HV0, 1/5) and excellent resistance to wear.
Internal machining of cylinder: using special machines that allow a degree of finish on the cylinder barrel walls whose roughness corresponds with the angles set at the design stage (grinding process using special stone).
Port and exhaust diagrams: designed and manufactured especially for racing. The definition of the port and exhaust diagrams has requested considerable effort on the part of our engineers both on engine test stands and the circuits on which the trophy is held. Replacement Parts

Gasket Kit 1111549
Piston Kit 349055
Piston Ring 3513974B

MALOSSI is the long-standing industry standard when it comes to after-market racing scooter products. We carry a wide range of performance scooter products from 49cc to 700cc in the Malossi products range. When selecting Malossi try not to mix and match brands know that Malossi components are designed to work with other Malossi components and it will make any upgrades easier to tune since they are designed to work with each other. Malossi is one of our top tier brands with our highest recommendation. They have an excellent price range, model selection, and the highest quality. All Malossi components are made 100% in Italy. All final manufacturing, assembly, and research and development is done at their facilities in Bologna. Order with confidence this is one of the best brands in the Racing Planet range.
Item Nr.:
M.3111511
Ready for shipment:
24 hours
manufacturer:
Malossi
Weight:
1.47 kg
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