GFC50 37.8MM Full Aluminum Cylinder Block Kit Complete Engine Rebuild Assembly

Core Product Parameter Table

Product Full Description (Independent Site Official Copy)

37.8MM Standard Bore Cylinder Kit professionally designed for Honda GFC50 50CC 4-stroke air-cooled scooters, a perfect OEM replacement and engine repair solution for worn, scuffed, low-compression and aging original cylinders. Manufactured with precise 37.8mm bore size and original factory parameter calibration, this cylinder assembly is fully compatible with Honda GFC50, TODAY50 AF61/AF67, DIO50 AF62, Vision50 and other 50CC 4T scooter models, ensuring seamless fitting, tight sealing and stable engine performance after installation.

This GFC50 cylinder kit adopts high-strength aluminum alloy main body with wear-resistant cast iron inner liner, combining lightweight advantage and durable wear resistance. The optimized dense heat dissipation fin structure greatly accelerates air circulation and heat dissipation efficiency, effectively preventing engine overheating, power attenuation and cylinder scuffing during daily commuting and long-time continuous riding. Equipped with high-precision matched piston and standard-size piston rings, it effectively improves engine compression and airtightness, thoroughly solves common scooter engine problems such as oil burning, oil leakage, black smoke, weak power and slow acceleration caused by cylinder and piston wear.

This is a complete all-in-one engine rebuild kit that contains all essential installation accessories, no extra parts purchase needed. It supports direct plug-and-play replacement without drilling, cutting or any modification, greatly saving DIY maintenance time and professional repair cost. Every set undergoes strict factory pressure testing, wear resistance inspection and quality screening, featuring stable performance, high durability and long service life. It is the most cost-effective replacement part for daily maintenance, fault repair and engine performance recovery of Honda 50CC 4-stroke scooters.

Key Features & Advantages

• Precise 37.8mm Standard Bore: Strictly manufactured according to original engine standards, accurate size data, zero installation deviation, perfect fit for GFC50 50CC 4-stroke engines.
• Durable Composite Structure: High-hardness aluminum alloy body + thickened wear-resistant cast iron liner, high temperature resistance, anti-deformation and anti-scuffing, extending engine service life.
• Excellent Heat Dissipation: Optimized fin layout increases heat exchange area, quickly dissipates engine heat, avoids overheating failure and power loss under continuous operation.
• Complete Matching Accessories: Full set includes cylinder block, piston assembly, standard piston rings and full sealing gaskets, one-stop engine overhaul solution.
• Effective Engine Performance Recovery: Significantly improves cylinder compression, eliminates oil burning and exhaust smoke issues, restores original power output and improves fuel economy.
• Easy DIY Installation: Standard original mounting position design, fully compatible with original screws and pipelines, no modification required, friendly for personal and workshop maintenance.

Compatible Models List (SEO Supplementary Text)

Widely compatible with Honda 50CC 4-stroke air-cooled scooter models, including Honda GFC50, TODAY50 AF61 AF67 EFI/E4, DIO50 AF62, Vision50 2012-2017, NCW50, NCH50, NVS50, NSC50, NSK50. Please confirm your scooter engine type and model before purchase to ensure accurate compatibility and avoid installation mismatch.