JAVIK Front Right Brake Master Cylinder for Yamaha ATVs — 2002–2011 Direct-Fit Aluminium with Brake Switch

JAVIK front right brake master cylinder is a direct-fit aluminum replacement for many Yamaha 2002–2011 ATVs, supplied with the brake switch and ready to bolt on.

This JAVIK assembly replaces OEM# 5KM-2583T-01-00 (also compatible with replacement OEM# 4SH-2583T-01-00) and is engineered to match the original mounting, banjo bolt size, and handlebar clamp dimensions so you avoid wiring or hydraulic modifications. Built from high-strength aluminum with the OEM structure replicated, the unit is intended to restore front-right brake control on a wide range of Yamaha Bear Tracker, Big Bear, Bruin, Grizzly, Kodiak and Wolverine models produced between 2002 and 2011.

Which Yamaha models and years will this master cylinder fit?

This JAVIK master cylinder fits specific Yamaha ATV models across multiple years; check the exact model and year against the list to confirm compatibility. The assembly covers many popular mid-size and full-size Yamaha machines and is intended for the front-right position.

• Bear Tracker 250 YFM250: 2002–2004
• Big Bear 250 YFM250: 2007–2009; Big Bear 400 YFM400: 2002–2011
• Bruin 250/350 and Kodiak 400/450 model years listed in the product fitment
• Grizzly 350/400/450/660 and Wolverine 350/450 fitments included

How does the part match OEM specifications and wiring?

The JAVIK unit reproduces the original OEM structure so bolt patterns, banjo bolt size (10 mm) and the 7/8-inch handlebar clamp match factory dimensions. It includes the brake switch with the correct connector, eliminating the need to splice or alter the main wiring harness.

• OEM number: 5KM-2583T-01-00; replacement OEM#: 4SH-2583T-01-00
• Banjo bolt size: 10 mm for standard brake line fittings
• Handlebar clamp: 7/8-inch — fits factory bars without adapters
• Brake switch: preinstalled with OEM-style connector for plug-and-play installation

What materials and build qualities should I expect?

Constructed from high-strength aluminum, the master cylinder offers improved hardness and durability compared with lower-grade aftermarket parts. The casting and machined surfaces follow OEM geometry so it aligns with the original hydraulic circuitry and mounting points.

• Material: aluminum for corrosion resistance and strength
• Design: OEM structure replica for precise compatibility
• Finish: machined mounting surfaces and durable housing to withstand off-road conditions
• Package: includes front brake master cylinder assembly ×1 with brake switch (no manual)

Who is this for: Riders and mechanics who need a reliable, direct-replacement front-right master cylinder for select Yamaha ATVs from 2002 to 2011. This part suits owners restoring OEM braking performance, shops performing routine repairs, and DIYers who want a plug-and-play unit with the correct banjo bolt, handlebar clamp size, and an included brake switch for straightforward installation. Always verify your vehicle's OEM number before ordering to ensure an exact match.