Drz400 Fan Screw Size

Caroline Mae

less than a minute read

·

01-01-2025

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Finding the right screw size for your Suzuki DRZ400's radiator fan can be surprisingly tricky. This quick guide aims to clarify the situation and help you get back on the trail quickly. Unfortunately, there isn't one single definitive answer as the exact screw size can vary slightly depending on the year and model of your DRZ400.

Identifying Your Fan Screws

Before heading to the hardware store, it's crucial to identify the existing screws. This ensures you purchase the correct replacement. Here's how to do it:

1. Locate the Fan Screws: Carefully locate the screws holding your radiator fan in place. They are typically located on the sides or bottom of the fan assembly.
2. Measure the Screws: Use a caliper or ruler to measure the screw's:
   • Length: Measure from the head to the tip.
   • Diameter: This is the width of the screw shaft.
   • Thread Pitch: This refers to the spacing between the threads. You can often count the threads per inch (TPI) or millimeter (mm).
3. Note the Head Type: Identify the shape of the screw head (e.g., Phillips, flat head, hex).

Common Screw Sizes for DRZ400 Radiator Fans

While precise measurements are essential, some common screw sizes reported by DRZ400 owners include:

• M6 x 10mm: This is a common size, but always double-check your measurements.
• M6 x 12mm: Slightly longer than the M6 x 10mm.
• M6 x 16mm: Considered longer for applications needing more reach.

Important Note: These are just examples. Always verify the dimensions of your existing screws before purchasing replacements. Using the wrong size could damage your radiator fan or its mounting points.

Sourcing Replacement Screws

Once you've determined the correct screw size, you can find replacements at most hardware stores, motorcycle parts dealers, or online retailers. Be sure to specify the exact dimensions and head type when ordering.

Beyond the Screw: Fan Maintenance

While replacing a screw might seem simple, remember regular maintenance is key. Inspect your radiator fan regularly for damage, ensuring it's securely mounted and functioning correctly to maintain optimal engine temperature. Neglecting this can lead to overheating and potential engine damage.