Motorcycle Engine Water Pump Assembly for Yamaha YZF600R Thundercat 96‑07 FZR600 91‑97 FZR600R 94‑95 FZR400RR 3TJ-Y1242-00-00

Product Type: Water Pump

Condition: Brand New

Brand: SJ

Color: Random

OEM:3TJ-Y1242-00-00

Suitable Models:

Yamaha FZR400RR 1990-1994

Yamaha FZR500 1991-1993

Yamaha FZR600 Genesis 1991-1997

Yamaha FZR600R 1994-1995

Yamaha YZF600R Thundercat 1996-2007

I. Material and Craftsmanship Advantages

1. High-Strength Die-Casting One-Piece Shell:

The entire shell is made of thickened aluminum alloy using high-pressure die casting, resulting in a seamless, integrated structure with robust resistance to deformation. Compared to the original thinner shell, the increased wall thickness makes it less prone to cracking and deformation under bumpy riding conditions and engine vibrations, significantly improving durability.

2. High-Temperature Electrostatic Powder Coating for Rust Prevention:

The entire surface features a matte black anti-corrosion paint finish, cured at high temperatures. It is waterproof, oil-resistant, and resistant to acid and alkali corrosion, making it suitable for rainy and humid climates and ensuring a long-lasting, unblemished appearance.

3. Precision-Grinded Inner Walls Prevent Scratching of Water Seal and Impeller:

The smooth, burr-free internal cavity prevents wear on the water pump’s internal water seal and impeller components after assembly, ensuring smooth water circulation and eliminating leaks caused by internal scratches.

II. Sealing and Leak-Proof Performance

1. Precise Fit to Original Factory Mold:

Strictly replicated 1:1 according to the original vehicle dimensions, the spacing of the three mounting holes and the thickness and curvature of the water pipe interfaces perfectly match the original vehicle parts. After assembly, it fits seamlessly with the water pump base, and with the sealing ring, it firmly locks in the coolant, completely solving the problems of water pump cover aging, leakage, and antifreeze leakage.

2. Standardized Dual Water Pipe Interfaces:

The upper and lower water cooling pipe connectors are standardized in diameter, ensuring a tight and secure connection. The water pipes will not detach even under high-speed driving and alternating hot and cold conditions. The water cooling circulation system is sealed and stable, ensuring the normal operation of the engine cooling system.

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