Honda HRN216VKA (Mulching, Single Blade) Blade Bolt Torque
The blade bolt torque on the Honda HRN216VKA (Mulching, Single Blade) is 36–43 ft-lb (49–59 N·m), using a 14 mm (6-point) socket with a 10 × 25 mm bolt. Honda blade bolt P/N 90105-VA3-J01. Owner's manual 00X31VR8B104 (models HRN216VKA/PKA), p.12: "Remove the blade bolts with a 14 mm (6 point) socket wrench" and "Tighten the blade bolts with a torque wrench to the specified torque. Use a wooden block to prevent the blades from turning when tightening the bolts... Blade bolt torque: 36 ~ 43 ft-lb (49 ~ 59 N·m)." Identical value confirmed verbatim in the sibling HRN216VLA manual (00X31VR8B203, p.12). Single-blade mulching deck. Thread pitch is not stated.
What's the exact spec for the Honda HRN216VKA (Mulching, Single Blade)?
Torque: 36–43 ft-lb (49–59 N·m). Socket: 14 mm (6-point). Thread: 10 × 25 mm bolt. Threadlocker: Not called for in the Honda owner's manuals cited below. Honda blade bolt P/N 90105-VA3-J01. Owner's manual 00X31VR8B104 (models HRN216VKA/PKA), p.12: "Remove the blade bolts with a 14 mm (6 point) socket wrench" and "Tighten the blade bolts with a torque wrench to the specified torque. Use a wooden block to prevent the blades from turning when tightening the bolts... Blade bolt torque: 36 ~ 43 ft-lb (49 ~ 59 N·m)." Identical value confirmed verbatim in the sibling HRN216VLA manual (00X31VR8B203, p.12). Single-blade mulching deck. Thread pitch is not stated.
Step-by-step Honda HRN216VKA (Mulching, Single Blade) blade-bolt reinstall
1) Disconnect the spark plug and engage the parking brake. 2) Block the blade with a 2×4 wedged against the deck shell — never your hand. 3) Use a 1/2" drive breaker bar with a 6-point 14 mm (6-point) impact socket to break the bolt loose. 4) Clean threads with brake cleaner and inspect the bolt for stretch. 5) Reinstall with no threadlocker. 6) Torque to 36–43 ft-lb (49–59 N·m) in one smooth pull with a calibrated torque wrench. 7) Re-check after the first hour of cutting.
Common Honda HRN216VKA (Mulching, Single Blade) blade-bolt mistakes
Over-torque past spec stretches the bolt past yield — it will not hold the next reinstall. Under-torque lets the blade walk loose at full RPM, which destroys the spindle key and balance. Using a 12-point socket on a rusted bolt rounds the head; always use 6-point. Honda's manuals: "Inspect the blade bolts for any signs of damage or looseness. If they are damaged, they must be replaced" — a damaged bolt gets a new Honda Genuine bolt, not a reused one. When tightening, "Use a wooden block to prevent the blades from turning when tightening the bolts" (the HRN216 manual instead has you wear thick leather gloves and hold the blade by hand). Remove the bolts first with a 14 mm (6-point) socket wrench.
What socket fits the Honda HRN216VKA (Mulching, Single Blade) blade bolt?
A 6-point 14 mm (6-point) impact socket on a 1/2" drive breaker bar. A 12-point socket can be used in a pinch on a clean, sharp-edged bolt head — never on a rusted bolt.
Related lookups
- All Honda Blade Bolt Torque Specs
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- Wrench & Socket Size Finder
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- Honda HRR216VKA (Single Blade, Rear Bag/Mulch) (36–43 ft-lb (49–59 N·m))
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