Honda TRX350D Foreman Spark Plug
The Honda TRX350D Foreman (350cc) takes an NGK BR7ES spark plug, gapped to 0.036".
Key takeaways
- Spark plug: NGK BR7ES.
- Iridium upgrade: NGK DR8EIX.
- Gap: 0.036 inch - set it before fitting.
- Covers 1989-1990.
Buy the plugs for your Honda TRX350D Foreman
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.
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Frequently asked
What spark plug does a Honda TRX350D Foreman take?
The Honda TRX350D Foreman takes an NGK BR7ES spark plug, gapped to 0.036 inch. The iridium upgrade is the DR8EIX.
What is the spark plug gap for a Honda TRX350D Foreman?
The spark plug gap for the Honda TRX350D Foreman is 0.036 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 TRX350D Foreman?
Yes. The DR8EIX is the iridium version of the BR7ES - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Honda TRX350D Foreman
We cover the other consumables for your machine too - the exact fit, cited, in one place.