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DetailsDoppler 50cc Aluminium Cylinder Kit "ER1" MBK 51 AC; Nikasil-plated aluminium cylinder with 5 transfer ports and an exhaust port with boost ports. It comes with a single-ring piston.
The kit has considerable torque at mid rpm range and a lot of power at high rpm range and can be categorized as a 50cc racing kit.
We recommend running it with a 15mm carburetor (minimum) and a high-rpm sports exhaust (such as Doppler or Bidalot). Even though it is possible to use your original cylinder head, we recommend replacing it with a high-compression cylinder head to improve performance.
Doppler 50cc Aluminium Cylinder Kit "ER1" MBK 51 AC => street-legal!
Name Doppler Cylinder Kit "ER1" 50cc aluminium MBK 51 AC Item No. CGN197252 Brand Doppler Homologation Yes Displacement 50cc Stroke Original Conrod Length Standard Product Line Racing Material Aluminium Bore 40 mm Piston Pin Original
Your product goes with the following manufacturers and their models:
Magnum XR AC