Stay ahead of brake problems with this brake fluid moisture tester pen—a fast, easy way to check the condition of your motorcycle’s brake fluid before it becomes a safety issue. Moisture in brake fluid can lower the boiling point and hurt braking performance. This compact tester gives you instant, color-coded results so you know when it’s time to flush and replace your fluid.
Why You’ll Want This in Your Tool Kit
- Works with common brake fluid types: Compatible with DOT 3, DOT 4, and DOT 5.1
- Five-stage accurate measurement: 5 moisture “gears” for a more detailed brake fluid condition check
- Multi-color LED indicator lights: Clear color feedback makes results easy to understand at a glance (green/yellow/orange/red)
- Quick diagnostic results (seconds): Perfect for routine maintenance or pre-ride checks
- Professional-grade accuracy: Reliable readings for home garages or shop use
- Enhanced safety monitoring: Helps warn you when fluid quality is dropping—reducing the risk of brake fade or failure
Specs
- Material: PP
- Power: 1× AAA battery (not included)
- Working current: 4–30mA
- Sleep current: 22uA
- Working voltage: 1–1.5V
- Operating range: 0–50°C
- Auto-sleep: Enters power-saving mode after 10 seconds
- Weight: 36.5g
- Compact & portable: Small enough to keep in a saddlebag or toolbox
How to Use (Quick Instructions)
Preparation:
- Unscrew the brake fluid reservoir cap.
- Remove the probe protective cover.
- Tap the power button—the first (lowest) green light will turn on.
Test:
- Insert the metal probe end into the brake fluid parallel to the fluid surface, ensuring both probes contact the fluid.
- Read the brake fluid condition based on the LED color/level shown on the tester.
After:
- The lights shut off automatically after about 10 seconds, and the pen goes into low-power sleep mode.
- Pro tip: Keep it on the bike/vehicle so you can quickly check fluid condition anytime.
What’s Included
- Brake Fluid Moisture Tester Pen (probe cover included)
- Battery not included (requires 1× AAA)
Part Numbers:
Manufacturer Part #: YM-CO2
P/N: N/A