MOOSE UTILITY DIVISION 1731-0725 Rear Master Cylinder Cap Kit - Honda

OVERVIEW

Enhances rear brake master cylinder integrity with an exact OE replacement cap kit manufactured by Nissin, ensuring reliable fluid sealing and protected hydraulic pressure. This comprehensive set includes the master cylinder cover, diaphragm, retaining plate, and necessary hardware for secure installation on select Honda ATVs. Designed for OEM-standard performance, it restores original braking system functionality while preventing dust and moisture ingress.

ENGINEERING & PERFORMANCE

Engineered by Nissin, a leading original equipment manufacturer based in Japan, this kit delivers precise dimensional accuracy and consistent hydraulic behavior matched to factory specifications. The construction utilizes durable materials to withstand harsh environmental exposure and mechanical stress during heavy-duty riding operations. By incorporating the original diaphragm design and secure mounting screws, the assembly maintains optimal brake fluid isolation and prevents air intrusion. This direct replacement ensures seamless integration into the master cylinder housing without requiring modifications.

KEY FEATURES

• Manufactured by Nissin, an established Japanese original equipment supplier
• Complete repair solution including rear master cylinder cap and protective cover
• Integrated rubber diaphragm to shield internal mechanisms from contaminants
• Supplemented with retaining plate and fasteners for secure mounting
• Direct OEM-style fitment eliminates modification requirements for accurate restoration
• Ensures proper surface sealing over the master cylinder reservoir area
• Specific multi-model compatibility covers diverse generations of Honda TRX series ATVs
• Includes all necessary components unless otherwise specified for individual vehicle configurations

TECHNICAL SPECIFICATIONS

• Brand: Moose Utility Division
• Part Number: 1731-0725
• Product Name: Rear Master Cylinder Cover / Cap Assembly Kit
• OEM Manufacturer: Nissin (Made in Japan)
• Application Position: Rear Brake Master Cylinder
• Included Components: Cap, Diaphragm, Plate, Hardware
• Supported Years: 2006–2014 model range
• Compatible Series: Honda TRX

FITMENT

• Honda TRX400X (2009, 2012–2014)
• Honda TRX700XX (2008–2009)
• Honda TRX450ER (2006–2009, 2012–2014)
• Honda TRX400EX (2006–2008)

WHY RIDERS CHOOSE THIS

Riders choose this Nissin-manufactured kit for the confidence that comes from acquiring an authentic OE-level replacement rather than an aftermarket substitute. The inclusion of the correct diaphragm and precision-engineered cover ensures long-term resistance to dehydration and damage caused by trail debris or wash-down maintenance. By restoring the master cylinder enclosure with factory-correct fasteners and sealing surfaces, riders experience improved reliability and peace of mind during rugged ATV excursions. This component is specifically valued for returning the rear brake system to its intended condition without compromising original system tolerances.