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Cylinder -DR 75 cc 3 Transfer Ports- Vespa V50, PK50
Part no.:
1310001
Description
The 75cc D.R. is one of the most frequently used cylinders in the fifties sector. A very wide usable speed range and a powerful starting torque make this cylinder the first choice when riding in pairs. Its outstanding durability and versatility make it a trouble-free companion.
speeds of 65-75km/h can be reached without any problems. For the 40km/h version of the 50N, make sure to use an open exhaust and replace the SHB 16/10 carburettor with that of the 50km/h version (SHB 16/16).
The compression is about 10,7:1 and it is not necessary to install a bigger carburetor or a longer gear ratio.
When using a SHB 16/16 carburetor and the unthrottled original exhaust the main jet should be increased to 70-74.
AI-translation
speeds of 65-75km/h can be reached without any problems. For the 40km/h version of the 50N, make sure to use an open exhaust and replace the SHB 16/10 carburettor with that of the 50km/h version (SHB 16/16).
The compression is about 10,7:1 and it is not necessary to install a bigger carburetor or a longer gear ratio.
When using a SHB 16/16 carburetor and the unthrottled original exhaust the main jet should be increased to 70-74.
HINT
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€116.95 *
incl. VAT plus shipping costs
Available immediately (delivery time 1-3 working days*)
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| General | |
|---|---|
| performance class: | sport |
| Gudgeon pins | |
| diameter: | 12 mm |
| Spark plugs | |
| thread type: | M14x1,25 |
| thread spark plug: | short |
| heat rating NGK: | B7HS |
| Cylinders | |
| displacement: | 75 cm³ |
| bore: | 47 mm |
| engine type: | 2-stroke |
| type of cooling: | air cooled |
| material: | cast iron |
| material piston cylinder surface: | cast iron |
| cylinder head inclusive: | |
| cylinder gasket set inclusive: | |
| number of transfers (incl.boost ports): | 3 |
| number of boost ports: | 1 |
| shape exhaust port: | single port (oval) |
| exhaust mounting: | flange |
| flange type: | 2 studs |
| exhaust bolt pitch: | 52 mm |
| thread exhaust studs: | M6 |
| Crankshafts | |
| stroke: | 43 mm |
| Pistons | |
| number of piston rings: | 2 |
| production method piston: | cast |
| Piston rings | |
| piston ring type: | common ring |
| thickness rings: | 1,2mm |
| Circlips | |
| circlip type: | G-type |
| wire size of circlip: | 1,0mm |
| Cylinder heads | |
| cylinder head type: | one piece |
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