300 ST-F FACTORY 2026

Marsoni

M251S

$3949.50

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

300 ST-F FACTORY 2026Features New decoration kit New mapping designed to smooth out engine behavior Cylinder head with reduced compression for greater flexibility New injection system Fuel injection reactivation button for easier starting New BIG FLOW petrol pump New crankshaft New piston pin New wiring harness New, longer gear ratio (400T FIM TR sprocket and 101 link chain) New fuel hose for easier disassembly OXIA handlebars New brake pedal axle Cams throttle control

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Fast: 2-3 business days
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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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There's a ton of clips in this bag, and they fit the bumper I was installing easy enough. Can't complain. Nice that they included a tool as well, used it to help pull pieces when I was installing them incorrectly for a second. Word of advice to the manufacturer, maybe include instructions, it's not abundantly clear how to install these.

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Reviewed in the United States on August 5, 2025

Verified Purchase

Katy

Charlottesville, US

★★★★★ 5

Muy práctico

Muy práctico para salir de apuros y me gustó mucho la variedad de tamaños

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Reviewed in the United States on May 27, 2026

Verified Purchase

Karl Largie