72531-VH7-000 & 72511-VL0-S00 Mulching Blades Kit for Honda HRX217/HRR216 21" Microcut Twin Blade Kit - Complete Maintenance Kit with Air Filter 17211-Z8B-901,Spark Plug,Bolts and Spacer

What It Is

This is a complete maintenance kit for Honda HRX217 and HRR216 21-inch walk-behind mowers. It includes the factory-spec MicroCut twin mulching blades (part #72531-VH7-000 and #72511-VL0-S00), plus an air filter (#17211-Z8B-901), spark plug, blade bolts, and a spacer—everything needed for a seasonal tune-up and blade swap.

Fitment & Compatibility

• Deck size: 21-inch cutting deck only (not for 20" or 22" models).
• Mower models: Honda HRX217 (all variants: VKA, VLA, TDA, HYA, etc.) and HRR216 (all variants: VKA, VLA, TDA). Does not fit HRX217 with “Versamow” system (uses a different blade kit). Check your mower’s model number on the deck sticker.
• OEM vs aftermarket: These are genuine Honda parts, not aftermarket. The blades are pre-sharpened and balanced. The air filter and spark plug are OEM replacements.
• Measurements: Blades are 21" total length, 2.25" wide, with a 1" center hole and 6-point star drive. The spacer and bolts are specific to the MicroCut twin-blade design—do not substitute.

Key Things to Know

• Installation difficulty: Moderate. You’ll need a socket wrench and a blade removal tool (or a block of wood to hold the blade). The twin-blade system has two stacked blades per side—pay attention to the order (spacer, lower blade, upper blade, bolt).
• Common gotcha: The spacer is easy to lose. Keep it with the kit. If missing, the blades won’t sit correctly and will vibrate.
• Quality: OEM Honda blades are heat-treated and last longer than most aftermarket options. The included air filter and spark plug are standard maintenance items—replace them at the same time for best results.
• Performance: The MicroCut design creates a vacuum that lifts grass for a finer cut, but works best on dry grass. Wet or tall grass may clog the deck.

Should You Buy It

Buy this if you own a Honda HRX217 or HRR216 and want a one-and-done maintenance kit with guaranteed OEM fit. It’s a good value versus buying blades, filter, plug, and bolts separately. Skip it if you have a Versamow model or prefer aftermarket blades for a different cut (e.g., bagging or side-discharge).