Gasket Rubber Flange 18365-KA4-730 for 1984-07 Honda CR250R CR 250

Gasket Rubber Flange for Honda

This gasket rubber flange with OEM cross-reference number 18365-KA4-730 seals the connection between the carburetor and cylinder on compatible Honda CR250R and CR250 motorcycles.

Overview

This gasket rubber flange for Honda CR250R and CR250 models acts as a critical seal between the carburetor and intake manifold, preventing air leaks and ensuring proper fuel mixture. It fits model years 1984 through 2007 and replaces OEM part 18365-KA4-730. The rubber material compensates for vibration and thermal expansion, maintaining a tight seal.

Built For Performance

• Made from heat-resistant rubber that withstands engine temperatures
• Precise OEM dimensions ensure a snug, leak-free fit
• Resistant to fuel and oil deterioration over time
• Reinforced flange prevents cracking during installation
• Direct replacement for Honda 18365-KA4-730

Fits These Machines

• for Honda CR250R (1984-2007)
• for Honda CR250 (1984-2007)

On-The-Job Use

• Commonly replaced during top-end rebuilds on two-stroke motocross bikes
• Ensures reliable idling and throttle response in trail riding and racing
• Prevents lean air-fuel mixtures that can cause engine damage
• Used in both off-road competition and recreational riding

Specs At A Glance

Good To Know

Q: Will this flange fit my 1990 CR250R? A: Yes, it fits all Honda CR250R and CR250 models from 1984 through 2007, provided the intake system is unmodified.

Q: Is this the same as the original Honda part? A: This is an aftermarket replacement designed to match the dimensions and material of the original 18365-KA4-730 gasket flange.

Slight variation in finish or dimensions may occur between production runs, and serial number, so confirm compatibility before ordering.