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Cylinder -MALOSSI 86 cc MHR Big Bore (44mm stroke)- Piaggio LC 2-stroke
Part no.:
M3113042
Description
With the MHR BIG BORE kits MALOSSI counters in the high-end class with 85 ccm.
It is far from being a simple enlargement of the bore to 50 mm. A closer look reveals the completely redesigned port layout of the cylinder. With small tricks the flushing behaviour was clearly optimized and adapted to the latest state of modern 2-stroke tuning.
The cylinder must be driven with a long stroke shaft with 44 mm stroke and 85 mm connecting rod length as well as 13 mm piston pin. A high quality racing crankshaft with appropriate bearings, which can cope with the immense power, is a must anyway.
Thanks to the increased displacement and the new port layout, power outputs of 26 hp and more are possible.
In order to mount the cylinder, the engine block must be spindled up to 56.7 mm in the area of the cylinder base mount.
AI-translation
It is far from being a simple enlargement of the bore to 50 mm. A closer look reveals the completely redesigned port layout of the cylinder. With small tricks the flushing behaviour was clearly optimized and adapted to the latest state of modern 2-stroke tuning.
The cylinder must be driven with a long stroke shaft with 44 mm stroke and 85 mm connecting rod length as well as 13 mm piston pin. A high quality racing crankshaft with appropriate bearings, which can cope with the immense power, is a must anyway.
Thanks to the increased displacement and the new port layout, power outputs of 26 hp and more are possible.
In order to mount the cylinder, the engine block must be spindled up to 56.7 mm in the area of the cylinder base mount.
AI-translation
This item is currently not available.
€429.00 *
incl. VAT plus shipping costs
The item is ordered and will be in stock soon
P
For this item you get
fidelity point/s
| General | |
|---|---|
| performance class: | racing |
| Gudgeon pins | |
| diameter: | 13 mm |
| Spark plugs | |
| thread type: | M14x1,25 |
| thread spark plug: | long |
| heat rating NGK: | B9ES |
| Cylinders | |
| displacement: | 86 cm³ |
| bore: | 50 mm |
| engine type: | 2-stroke |
| type of cooling: | liquid cooled |
| material: | aluminium |
| material piston cylinder surface: | Ceramic |
| cylinder head inclusive: | |
| cylinder gasket set inclusive: | |
| number of transfers (incl.boost ports): | 7 |
| number of boost ports: | 3 |
| shape exhaust port: | dual port |
| exhaust mounting: | flange |
| flange type: | with cone |
| exhaust bolt pitch: | 46 mm |
| thread exhaust studs: | M6 |
| Crankshafts | |
| stroke: | 44 mm |
| Pistons | |
| number of piston rings: | 1 |
| production method piston: | cast |
| Piston rings | |
| piston ring type: | common ring |
| thickness rings: | 1,0mm |
| Circlips | |
| circlip type: | C-type |
| wire size of circlip: | 1,0mm |
| Cylinder heads | |
| cylinder head type: | multiple piece |
| OEM numbers (for comparison purposes only) | |
| Malossi | 3113042, M3113042 |
Please inform me once the product is available again.
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