Yamaha XJ700 Spark Plug
The Yamaha XJ700 (700cc) takes an NGK DPR8EA-9 spark plug, gapped to 0.032".
Key takeaways
- Spark plug: NGK DPR8EA-9.
- Iridium upgrade available in the same fit.
- Gap: 0.032 inch - set it before fitting.
- Covers 1984-1996 (plug changed across years - see table).
Buy the plugs for your Yamaha XJ700
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.
Yamaha XJ700 spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 1985 | DPR8EA-9 | - | 0.032" |
| 1984-1996 | BPR8ES | - | 0.028" |
Frequently asked
What spark plug does a Yamaha XJ700 take?
The Yamaha XJ700 takes an NGK DPR8EA-9 spark plug, gapped to 0.032 inch. See the by-year table for earlier models.
What is the spark plug gap for a Yamaha XJ700?
The spark plug gap for the Yamaha XJ700 is 0.032 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 Yamaha XJ700?
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 Yamaha XJ700
We cover the other consumables for your machine too - the exact fit, cited, in one place.