5th Overdrive Gear - .979mm

Marsoni

M251S

$102.34

Get it in 3 business days with 1 day shipping. Friday, May 29

5th Overdrive Gear - .979mm5th. Overdrive Gear for Yamaha XS650 (1973 84), Fits Main shaft 0. 979 mm ONLY. 0. 984 inches or 25 mm (Hole diameter). 24 Tooth 5th. Pinion Gear. Replaces 23T 5th. Pinion Gear Gear fits to stock location and makes fifth gear taller (higher top speed in fifth but less torque and less vibration) but ratios in lower gears remains the same so that acceleration & torque in lower 4 gears remains the same. Cases must be split to install. This is a "Race"

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I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.

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Reviewed in the United States on January 4, 2026

Verified Purchase

Christy F

Chelsea, US

★★★★★ 5

Great socks

Size: Medium, Color: Pink - 647

Well-made and comfortable to wear. Great for golf and other outdoor activities. Like them because they do not show above shoes.

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Reviewed in the United States on April 19, 2026