Universal Parts CN250 Liquid-Cooled 172mm Engine Gasket Set

 CN250 & 172mm Complete Engine Gasket Set

Eliminate leaks and restore factory compression with the Universal Parts CN250 Complete Engine Gasket Set. Engineered specifically for the 250cc 4-stroke liquid-cooled 172mm engine (the legendary Honda Helix clone), this comprehensive kit includes every critical seal required for a top-to-bottom engine rebuild. Whether you are performing routine maintenance or a full performance overhaul, these gaskets provide the thermal resistance and airtight fitment necessary for reliable long-distance touring.

Technical Performance Features

• Comprehensive Rebuild Kit: Includes the cylinder head gasket, base gasket, crankcase cover gaskets, and intake/exhaust seals to ensure a 100% leak-free assembly.
• OEM-Spec Thickness: Precision-cut to factory tolerances to maintain correct engine squish and oil flow characteristics.
• Water-Cooled Optimized: Specifically designed for the 172mm engine architecture found in high-end touring scooters and off-road buggies.

Comprehensive Fitment Guide

This gasket set is a direct replacement for the 250cc Liquid-Cooled (172mm) engine family:

Technical Specifications

• Engine Displacement: 250cc
• Engine Code: 172mm / CN250
• Cooling Type: Water-Cooled / Liquid-Cooled
• Material: Multi-layer Steel (Head) / High-Compression Fiber (Covers)

Mechanic's Note: Gasket color (Green or Gray) may vary by production batch; this is a cosmetic difference and does not affect the seal quality.

Pro Tip: Always use a torque wrench when installing the head gasket to prevent warping.

Installation Hack: While the engine is apart, inspect your Water Pump Seals and Thermostat—it’s the best time to refresh the entire cooling loop!

SKU: 130-40
Vendor: Universal Parts