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Cylinder -AF RB20 200 cc- Lambretta
Part no.:
8000048
Description
Bore 66 mm, stroke 58 mm, Nikasil coated aluminium cylinder for all small motor housings with 125-175 cc displacement. With a standard stroke of 58 mm, you already have 200 cc displacement. And that on the small block.
Pilot times: Exhaust 190°, spill 128°, intake - diaphragm controlled, exhaust 31°.
The RB20 is nominally the smallest kit from the RB series in terms of displacement, but in terms of cylinder layout it is quite big. The diaphragm inlet with boyesen port has three boost ports. The exhaust port is one piece. This offers much more room for further tuning than the RB22 and RB25 kits. The secondary outlets limit further work on the exhaust.
The piston used is the RD piston known from the GT 186 kit. Here however with 66 mm diameter. The two steel rings are 1.2 mm thick. The compression height is 30 mm, therefore a connecting rod with 116 mm length must be installed.
Included in the scope of supply is the cylinder, cylinder head and piston, the diaphragm and the intake port.
Have you got questions about the diagram or the cylinder: lambretta@scooter-center.com
AI-translation
Pilot times: Exhaust 190°, spill 128°, intake - diaphragm controlled, exhaust 31°.
The RB20 is nominally the smallest kit from the RB series in terms of displacement, but in terms of cylinder layout it is quite big. The diaphragm inlet with boyesen port has three boost ports. The exhaust port is one piece. This offers much more room for further tuning than the RB22 and RB25 kits. The secondary outlets limit further work on the exhaust.
The piston used is the RD piston known from the GT 186 kit. Here however with 66 mm diameter. The two steel rings are 1.2 mm thick. The compression height is 30 mm, therefore a connecting rod with 116 mm length must be installed.
Included in the scope of supply is the cylinder, cylinder head and piston, the diaphragm and the intake port.
Have you got questions about the diagram or the cylinder: lambretta@scooter-center.com
AI-translation
This item is currently not available.
€679.00 *
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, sport |
| Gudgeon pins | |
| diameter: | 16 mm |
| Spark plugs | |
| thread type: | M14x1,25 |
| thread spark plug: | long |
| heat rating NGK: | B9ES |
| Cylinders | |
| displacement: | 198 cm³ |
| bore: | 66 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): | 5 |
| number of boost ports: | 1 |
| shape exhaust port: | triple port |
| exhaust mounting: | flange |
| flange type: | 2 studs |
| exhaust bolt pitch: | 60 mm |
| thread exhaust studs: | M7 |
| Crankshafts | |
| stroke: | 58 mm |
| Pistons | |
| number of piston rings: | 2 |
| Piston rings | |
| piston ring type: | common ring |
| thickness rings: | 1,0mm |
| Circlips | |
| circlip type: | C-type |
| wire size of circlip: | 1,2mm |
| Cylinder heads | |
| cylinder head type: | one piece |
Please inform me once the product is available again.
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