Cylinder Kit DR 178cc aluminium Vespa PX 125

Aluminum cylinder DR HP 178 ccm Vespa PX 125

178cc aluminum cylinder from DR. HP stands for high performance, and that's exactly what you can expect. Designed for Vespa touring riders who are looking for a robust and powerful solution for long distances. With a 63.0 mm bore and 57 mm stroke, it delivers a full 178cc displacement.

DR aluminum cylinder kit - perfect for touring riders

• Aluminum cylinder with superior thermal performance: The DR HP 178 cc aluminum cylinder is the ideal choice for Vespa riders who are looking for durability, optimum cooling and reliable performance. Its high-quality aluminum construction ensures excellent heat dissipation, maintaining stable performance even on long rides. The cylinder liner is coated with a wear-resistant surface for extended lifespan.
• High performance: The increase displacement of 178cc provides plenty of power with powerful acceleration. Six transfer ports optimize performance and improve power delivery. The port timings (177° / 124°) is designed for sporty performance right out of the box.
• Robust exhaust flange: The sturdy exhaust manifold secured with four screws ensures maximum reliability.
• Improved piston: The special piston with a high silicon content retains its shape even at high temperatures and features two piston rings for added durability.
• Optimized cooling: The cylinder head with enlarged cooling fins has been precisely optimized to improve heat dissipation and increase combustion efficiency.

DR recommends the use of an NGK BR9HS spark plug. As usual with aluminum cylinders, squish clearance should be adjusted (1.2 - 1.4). And as always, the carburetor settings should be adjusted.

features DR aluminum cylinder Vespa PX 125

• Aluminum cylinder
• Bore: 63 mm
• Displacement: 178 cc
• Stroke 57 mm
• 2-ring piston with 15 mm piston pin
• Incl. cylinder head
• Incl. exhaust flange
• Incl. gasket set
• Without road approval