Honda TRX400FA FourTrax Rancher Spark Plug
The Honda TRX400FA FourTrax Rancher (400cc) takes an NGK BKR5E-11 spark plug, gapped to 0.035".
Key takeaways
- Spark plug: NGK BKR5E-11.
- Iridium upgrade available in the same fit.
- Gap: 0.035 inch - set it before fitting.
- Covers 2007-2009.
Buy the plugs for your Honda TRX400FA FourTrax Rancher
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Frequently asked
What spark plug does a Honda TRX400FA FourTrax Rancher take?
The Honda TRX400FA FourTrax Rancher takes an NGK BKR5E-11 spark plug, gapped to 0.035 inch.
What is the spark plug gap for a Honda TRX400FA FourTrax Rancher?
The spark plug gap for the Honda TRX400FA FourTrax Rancher is 0.035 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Honda TRX400FA FourTrax Rancher?
Yes. The iridium version drops into the same spot - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Honda TRX400FA FourTrax Rancher
We cover the other consumables for your machine too - the exact fit, cited, in one place.