Troy Bilt Spark Plug Chart(Updated For All Models)

Troy-Bilt is a household name in outdoor power equipment, offering everything from lawnmowers to tillers and snow blowers. One essential component across all these machines? The spark plug. It’s a small part with a big role, igniting the fuel-air mixture to power the engine. Without it, your equipment won’t start or run efficiently.

Troy Bilt Spark Plug Chart

Troy-Bilt Model	Engine Brand	Recommended Spark Plug	Gap Size
TB110	Briggs & Stratton	Champion RJ19LM	0.030 in
TB130	Troy-Bilt 159cc	NGK BKR5ES	0.035 in
TB130 XP	Troy-Bilt 159cc	NGK BKR5ES	0.035 in
TB160 XP	Honda GCV160	NGK BPR6ES	0.030 in
TB200	Briggs & Stratton	Champion RC12YC	0.030 in
TB210	Briggs & Stratton	Champion RJ19LM	0.030 in
TB230	Briggs & Stratton	Champion RJ19LM	0.030 in
TB240	Honda GCV160	NGK BPR6ES	0.030 in
TB270 XP	Briggs & Stratton	Champion RJ19LM	0.030 in
TB280 ES	Honda GCV160	NGK BPR6ES	0.030 in
TB330	Honda GCV160	NGK BPR6ES	0.030 in
TB360	Briggs & Stratton	Champion RJ19LM	0.030 in
TB370	Briggs & Stratton	Champion J19LM	0.030 in
TB370 XP	Honda GCV160	NGK BPR6ES	0.030 in
TB490 XP	Honda GCV190	NGK BPR6ES	0.030 in
TB600	Briggs & Stratton	Champion RJ19LM	0.030 in
TB675 EC	Briggs & Stratton	Champion RJ19LM	0.030 in
TB700	Honda GCV190	NGK BPR6ES	0.030 in
TB742 EC	Briggs & Stratton	Champion RJ19LM	0.030 in
TB775 EC	Honda GCV190	NGK BPR6ES	0.030 in
TB80 EC	Troy-Bilt	Champion RZ7C	0.025 in
TB90 BC	Troy-Bilt	Champion RZ7C	0.025 in
TB1000	Briggs & Stratton	Champion RJ19LM	0.030 in
TB2000	Honda GCV160	NGK BPR6ES	0.030 in
TB3000	Briggs & Stratton	Champion RJ19LM	0.030 in
TB4000	Honda GCV190	NGK BPR6ES	0.030 in
TB5000	Briggs & Stratton	Champion RJ19LM	0.030 in
TB6000	Honda GCV190	NGK BPR6ES	0.030 in
TB7000	Briggs & Stratton	Champion RJ19LM	0.030 in
TB8000	Honda GCV190	NGK BPR6ES	0.030 in
TB9000	Briggs & Stratton	Champion RJ19LM	0.030 in
TB10000	Honda GCV190	NGK BPR6ES	0.030 in
TB30 R	Troy-Bilt	Torch F6RTC	0.030 in
TB42 Snow Blower	Troy-Bilt	Champion RJ19LM	0.030 in
Storm 2410	Troy-Bilt	NGK B2LM	0.030 in
TB22 Trimmer	Troy-Bilt	NGK BPMR7A	0.025 in
TB32 EC Trimmer	Troy-Bilt	Champion RZ7C	0.025 in
TB224 Tiller	Troy-Bilt	Champion CJ8	0.030 in
Horse Tiller	Briggs & Stratton	Champion RJ19LM	0.030 in
Pony Riding Mower	Briggs & Stratton	Champion RC12YC	0.030 in
Bronco Riding Mower	Kohler	Champion RC12YC	0.040 in
Super Bronco XP	Kohler	NGK BKR5E	0.040 in

Related Kohler Spark Plug Chart(Updated For All Models)

Why Spark Plug Compatibility Matters

Using the wrong spark plug can lead to engine misfires, poor fuel economy, and even long-term damage. Troy-Bilt machines use specific plug types, depending on engine size and model year. A mismatched plug may not ignite correctly, making maintenance and starting a frustrating chore.

Signs You Need to Replace Your Spark Plug

Here are a few telltale signs it’s time to swap out that old plug:

• The engine won’t start or takes several attempts
• Rough idling or engine stalling
• Poor fuel economy
• Engine misfires or lacks power
• Burned or corroded electrode

Related Husqvarna Spark Plug Chart(For All Types & Models)

How to Choose the Right Spark Plug

To choose the correct spark plug for your Troy-Bilt machine:

1. Check the owner’s manual
2. Match the engine type (Briggs & Stratton, Kohler, Honda, etc.)
3. Know the plug gap specifications (usually 0.030 inches for small engines)
4. Use the model number for precision

Related John Deere Spark Plug Gap Chart(For All Models)

FAQ

What is the spark plug gap for a Troy-Bilt?

The standard spark plug gap for most Troy-Bilt small engines, including mowers, tillers, and trimmers, is typically 0.030 inches (0.76 mm).

However, it can vary based on the engine brand (e.g., Honda, Kohler, Briggs & Stratton) and model. Always check the owner’s manual for the correct specifications for your exact unit.

What size is a Troy-Bilt spark plug socket?

Most Troy-Bilt engines use one of the two common socket sizes:

• 13/16-inch (21mm) for standard lawnmower plugs like Champion RJ19LM.
• 5/8-inch (16mm) for smaller plugs used in string trimmers or leaf blowers.

Use a deep socket to accommodate the plug’s height and to avoid damaging the ceramic insulator.

Related Common Troy Bilt Mustang 50 Problems(With Solution)

What are the 3 sizes of spark plug sockets?

The three most common spark plug socket sizes are:

1. 5/8 inch (16mm) – for smaller engines and most motorcycles.
2. 13/16 inch (21mm) – typical for lawn mowers, tractors, and cars.
3. 3/4 inch (19mm) – less common, but found in certain performance engines or older vehicles.

Each socket usually includes a rubber insert or magnetic grip to hold the plug securely during removal or installation.

How do I know my spark plug size?

To determine the correct spark plug size for your Troy-Bilt equipment:

• Check the owner’s manual for the exact spark plug model.
• Look at the plug currently installed in your engine—its code (e.g., RJ19LM, BPR6ES) identifies the size and type.
• Use the Troy-Bilt parts lookup tool: Troy-Bilt Official Site – Spark Plugs.

Avoid guessing, as using the wrong spark plug can affect engine performance or cause damage.

Related Best Oil for Troy-Bilt Lawn Mowers(Top 3 Oils)

Should spark plug gap be big or small?

The spark plug gap should be just right—neither too big nor too small:

• Too small: Weak spark, incomplete combustion, hard starts.
• Too large: Misfires, engine knocking, inefficient fuel burn.

Always follow the recommended gap size (typically 0.030 inches for Troy-Bilt) and use a feeler gauge to measure it precisely.

Are all small engine spark plugs the same?

No, not all small engine spark plugs are the same. They differ by:

• Thread size and reach
• Heat range
• Electrode material
• Gap setting

Even among Troy-Bilt models, plugs can vary depending on whether your unit uses a Briggs & Stratton, Honda, Kohler, or Troy-Bilt branded engine.

What is the spark plug gap on a Troy-Bilt TB51BP?

The Troy-Bilt TB51BP backpack blower typically uses the NGK BPMR7A or Champion RZ7C spark plug.

• Recommended spark plug gap: 0.025 inches (0.635 mm)

Double-check your specific unit’s manual to confirm, as variations can occur by year or production batch.