- -15%
- New
Cylinder Material: special self-lubricating, wear-resistant, highly refined cast iron alloys, obtained by Shell Moulding gravity die-casting. Machining: on numerically controlled high precision machine tools. Recalculated and increased heat exchange surfaces. Exhaust and transfer ports designed and tuned for maximum thermodynamic performance. Dimensional and surface finish quality control performed according to Malossi's internal specifications. Cylinder and piston selected for a 100% fit of 0.010-0.005 mm. Checking of all the seals carried out. Piston Material: special aluminium alloy with…
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Cylinder
Piston
Piston rings
Head
| Article | 31 7903 Ø 47 mm | 31 8691 Ø 55 mm |
Capacity | 74,60 | 102,16 |
Use | Urban / Sport | Urban / Sport |
| Power range | 6/8 | 8/10 |
| Level of elaboration | easy | easy |
| Carburettor recommended | Shb 16 - shb 19 | Shbc 20 - phbl 25 |
| Stroke | 43 | 43 |
| Compression ratio | 12,5:1 | 11,8:1 |
| Piston rings | 2 | 2 |
| N. of transferts | 6 | 6 |
| Head | Hemispherical | Hemispherical |
| Spark plug | Central iw f 24 | Central iw f 24 |
| Piston | alluminium alloy 21% | alluminium alloy 21% |
Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use
Malossi needle roller bearings are independent bearings that are ready for assembly and constructed from high-tensile steel with housings for the insertion and axial rotation of the rollers. These devices are designed to allow reciprocal movement between two objects, constraining the rotation of the cage and housing the rotating elements with reduced overall dimensions, negligible weight and reduced friction. These are essential components in internal combustion engines which, by definition, have several rotating elements. As can be seen in the image, a needle roller bearing assembly is made…
CYLINDER KIT Ø 63 ALUMINIUM completely new cylinder kit has been created, designed overall to obtain the maximum result in terms of performance and durability. Every aspect of the system has been studied to maximise the mechanical resistance, the fluid dynamics and improve combustion: the result is a top-of-the-range kit in terms of construction quality and technological development. TECHNICAL FEATURES Cylinder Built from scratch, in high-strength aluminium alloy and cylinder sleeve with nickel-chromium coating. Consisting of an even thickness central core around the cylinder sleeve and the…
ALUMINIUM CYLINDER Cylinders obtained by gravity die-casting in permanent steel moulds. Material: hardened and tempered high silicon content primary aluminium alloy. Machining: on numerically controlled high precision machine tools. Cylinder liner with silicon carbide metal-spray coating on a galvanic nickel matrix, cross-honed with passes with diamonds for very tight tolerances. Heat exchange surfaces recalculated. Exhaust and transfer ports designed and tested for maximum thermodynamic performance. Rings in very strong nodular cast iron with ground, wear-resistant, hard chrome metal-spray…
TECHNICAL FEATURES Cylinder Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances. Machining: on machine tools with high precision numerical control. Cylinder-piston connection with an allowance of 0.05 mm. Recalculated and upgraded heat exchange surfaces. Piston Ultra compact with 3 rings. Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing on the sliding surfaces.…
COMPLETE CYLINDER 4-STROKE TECHNICAL FEATURES Cylinder Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances. Machining: on machine tools with high precision numerical control. Cylinder-piston connection with an allowance of 0.05 mm. Recalculated and upgraded heat exchange surfaces. Piston Ultra compact with 3 rings. Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing…
Technical features Cylinder Bore: Ø 63 mm Stroke: 58.7 mm Displacement: 183 cc Compression ratio: 11.27 Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances. Machining: on machine tools with high precision numerical control. Cylinder-piston connection with an allowance of 0.05 mm. Recalculated and upgraded heat exchange surfaces. Piston Ultra compact with 3 rings. Material: special aluminium alloy with high silicon…
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. CYLINDER Material: special aluminium alloy with high percentage of silicon and titanium that guarantees exceptional strain…
Cylinder Material: special self-lubricating, wear-resistant, highly refined cast iron alloys, obtained by Shell Moulding gravity die-casting. Machining: on numerically controlled high precision machine tools. Recalculated and increased heat exchange surfaces. Exhaust and transfer ports designed and tuned for maximum thermodynamic performance. Dimensional and surface finish quality control performed according to Malossi's internal specifications. Cylinder and piston selected for a 100% fit of 0.010-0.005 mm. Checking of all the seals carried out. Piston Material: special aluminium alloy with…
TECHNICAL FEATURES Cylinder Bore : Ø 63 mm Stroke : 58.7 mm Displacement : 183 cc Compression ratio : 11.48 Material : primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances Machining: on machine tools with high precision numerical control Cylinder-piston connection with an allowance of 0.05 mm Recalculated and upgraded heat exchange surfaces Piston Ultra compact with 3 rings Material : special aluminium alloy with high…
Force Master is the innovative CDI which allows to change the injection in order to fit perfectly the Malossi 4-stroke cylinder kit. This CDI has been scheduled with different maps so as to be coupled perfectly with your vehicle whatever its setting is! Complete cylinder I-TECH 4 STROKE Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances. Machining: on machine tools with high precision numerical control.…
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