homepostsWhat is the spark plug gap for a Honda lawn mower?

What is the spark plug gap for a Honda lawn mower?

Dennis WaldenSep 13, 2021

The gap should be 0.028 ~ 0.031 inches (0.7 ~ 0.8 mm). Correct it if needed by bending the side electrode. Step 6: Install the new spark plug by hand.

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Secondly, what is the correct spark plug gap for lawn mowers?

Setting the Gap on Your Spark Plug

You'll need a spark plug gauge to adjust the gap on your lawn mower's spark plug. Although many small engine spark plugs require a .030 gap, this varies depending on the engine type. You can check this on the engine owners manual.

Also, do Honda lawn mower spark plugs come pre gapped? Champion spark plugs traditionally leave the factory pre-gapped for their most popular application. However, a plug may fit hundreds of engines, from cars to golf carts. Gapping the plugs to your engine's specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy.

Subsequently, what is the correct reading for spark plug gap?

For most racing applications, you usually want the plug gap to be between 0.020 and 0.040 of an inch. Most engine builders seem to settle around 0.035 of an inch. Factors such as the type of ignition you run, cylinder heads, fuel and even timing can affect how much gap will work best for you.

What spark plug does a Honda HRX217 use?

Honda HRX217 Lawn Mower Parts HMA/HXA/TDA
Part NumberDescriptionQty
BPR6ESSpark Plug1
72531-VH7-000Blade Rotary (Upper)1
72511-VH7-000Blade Rotary1

What kind of spark plugs does Honda use?

Here's how a standard OEM Honda plug is constructed: Platinum or Iridium Center Electrode. A OEM Honda plug will have a platinum (90k mile rating) or iridium tip (120k mile rating). These are both costly metals, but prolong the life of your plug.

What happens if the spark plug gap is wrong?

If the spark plug gap is incorrectly set, it can lead to engine issues. The customer may experience loss of power, misfires, spark plug fouling, increased plug wear, or poor gas mileage.

How do I know if my lawn mower spark plug is bad?

Here's How to Know if a Lawn Mower Spark Plug is Bad
  1. You can't get the engine to fire up at all.
  2. You have to tug extra hard for longer than usual on the rewind.
  3. Your lawn mower loses power while moving.
  4. The gas runs out quicker than it used to.

What happens if you put the wrong spark plug in your lawn mower?

Spark plugs that are gapped incorrectly can cause an engine to miss, or run erratically, especially during idle. The incorrect spark plug gaps can cause uneven firing of individual spark plugs and delay engine combustion; both of which can cause an engine to miss or idle erratically.
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About The Author

Dennis Walden

Dennis owns a small farm and loves to grill since his early childhood. He’s a professional cook, but hiking and enjoying the great outdoors is his no less favorite part of life.