Reference: SG15036
Set of 2 segments DR Racing Ø47 X 1,5mm for kit Ø47mm 75cc DR Racing cast on Vespa scooter 50cc 2 stroke
Ideal for the maintenance of your cylinder / piston 75cc in diameter 47mm on scooter Vespa.
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Here is the high cast iron engine with high compression cylinder head from DR Racing.
A complete kit for excellent performance and engine reliability.
Its displacement reaches 74.60cc precisely for a 47mm diameter bore with a cylinder equipped with 6 transfers, admission revised upwards compared to the model with 3 transfers.
Its stroke is 43mm with a compression ratio of 1: 10.7. Clearly, a high engine ideal for a quality refurbishment.
Delivered complete as presented.
As an option we offer you a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!
Installs on:
- Piaggio Vespa 50 2T 67-82, Vespa FL 50 2T 90-90, Vespa FL2 AUTOMATICA 50 2T 90-91, Vespa FL2 HP 50 2T 91-97, Vespa N 50 2T 89-90, Vespa PK 50 2T 82-84 , Vespa PK AUTOMATICA 50 2T 84-89, Vespa PK XL 50 2T 85-88, Vespa PK XL PLURIMATIC 50 2T 85-90, VespaPK XL RUSH 50 2T 88-89
Reference: SG15036
Ideal for the maintenance of your cylinder / piston 75cc in diameter 47mm on scooter Vespa.
Reference: TS00151
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