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Kawasaki KRX 1000 Fluids, Capacity, Maintenance

Kawasaki KRX 1000 Fluids, Capacity, Maintenance

SKU:SKU-401

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Overview

This is the baseline that keeps your KRX alive.

Fluids aren’t just maintenance—they’re the difference between a machine that lasts and one that slowly eats itself. Get this wrong, and nothing else you bolt on matters.


Fluid Capacities (2020–2021 KRX 1000)
  • Engine Oil: 3.3 US quarts (with filter)
  • Transmission: 1.4 US quarts
  • Front Differential: 0.85 US quarts

Recommended Fluid Types

Engine Oil:

  • 10W-40 (standard recommendation)
  • 5W-40 (cold weather)
  • 15W-40 (hot weather)

Transmission & Front Differential:

  • 80W-90 gear oil (GL-5)
  • Recommended Upgrade: 75W-90 synthetic (front diff for
  • smoother locker engagement)

Brand Insight (Real-World Use)

  • Shell Rotella T6 (5W-40)
  • Mobil Delvac (5W-40 / 15W-40)
  • Amsoil (high ZDDP options)

    Why it matters:
    KRX engines use flat tappet valvetrain design—this requires higher levels of ZDDP (zinc/phosphorus) for proper wear protection. Many modern oils don’t have enough.
  • Oil Filter Cross Reference
    WIX: 51358
    NAPA: 1358
    Bosch: 3323
    Fram: (you already know…)
tips & Notes
  • Oil level should sit mid-window after fill
  • Diff and trans should be filled just below fill threads
  • Synthetic in front diff helps locker engagement
  • Kawasaki-branded fluids are recommended, not required

Have a Question?

Not sure about a product? That’s exactly what we’re here for.

Whether you’re dialing in your build, comparing options, or just want a second opinion before you buy, reach out and talk to a real person who knows these machines.