520-102 Drive Chain for Yamaha MX250 1973-1974 MX 250

Drive Chain for Yamaha MX250

This 520-102 drive chain is a 102-link replacement chain sized for the Yamaha MX250 and delivers reliable power transfer between the countershaft and rear sprocket.

Overview

This 520-102 drive chain is built as a direct-fit replacement for the Yamaha MX250, giving riders a dependable way to restore drivetrain function. The 520-102 drive chain uses the standard 520 pitch with 102 links, matching the factory length so installation stays straightforward. It suits vintage motocross owners and restorers who want a fresh chain for their Yamaha MX250 without hunting down obsolete part numbers.

Built For Performance

• 520 pitch roller chain matched to the Yamaha MX250 drivetrain
• 102-link length sized as a direct replacement for the original chain
• Pre-stretched construction helps resist elongation under load
• Roller design keeps friction low for smooth power delivery
• Heat-treated pins and bushings for dependable wear resistance
• Supplied with a master link for straightforward installation

Fits These Machines

• for Yamaha MX250 1973
• for Yamaha MX250 1974

On-The-Job Use

• Trail riding and vintage motocross on the Yamaha MX250
• Drivetrain rebuilds during restoration projects
• Replacing a stretched or worn-out chain
• Routine maintenance to extend sprocket life

Specs At A Glance

Good To Know

Q: Does this chain include a master link? A: Yes, this 520-102 drive chain is supplied with a master link so it can be fitted without special tools. Q: How do I know 102 links is the right length? A: The 520-102 drive chain is listed as a replacement for the Yamaha MX250, but sprocket sizes can change the required length. Count the links on your old chain before ordering.

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