520-110 O-Ring Drive Chain for Yamaha IT490 1983-1984 IT 490

520-110 O-Ring Drive Chain for Yamaha IT490

This 520-110 O-ring drive chain is a replacement chain built to match the Yamaha IT490 fitment from 1983-1984, and it keeps the drivetrain turning on vintage off-road machines.

Overview

This 520-110 O-ring drive chain is a direct-fit replacement for the Yamaha IT490 produced between 1983 and 1984. The sealed O-ring design holds lubrication inside the rollers to reduce wear and stretch on long rides. It is built for riders restoring or maintaining a vintage IT490 who need a dependable chain rather than a worn original.

Built For Performance

• 520 pitch chain sized at 110 links to match the IT490 drivetrain length
• O-ring seals between roller and pin keep factory grease in place
• Heat-treated steel plates and pins for tensile strength under load
• Pre-stretched construction helps limit initial elongation
• Compatible with standard 520 sprockets front and rear

Fits These Machines

• for Yamaha IT490 1983
• for Yamaha IT490 1984

On-The-Job Use

• Trail riding and enduro use on the IT490
• Motocross and off-road practice sessions
• Vintage bike restoration projects
• Routine drivetrain replacement on older two-strokes

Specs At A Glance

Good To Know

Q: Does this chain fit both the 1983 and 1984 IT490? A: Yes, it is listed for the Yamaha IT490 spanning those model years, though you should verify your sprocket sizes and chain length before ordering.

Q: Should I replace the sprockets at the same time? A: Replacing the front and rear sprockets with a new chain is common practice because worn sprockets accelerate wear on a fresh chain.

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