KTM ISDT Enduro Spark Plug
The KTM ISDT Enduro (400cc) takes an NGK BR9HS spark plug, gapped to 0.024".
Key takeaways
- Spark plug: NGK BR9HS.
- Iridium upgrade: NGK BR9HIX.
- Gap: 0.024 inch - set it before fitting.
- Covers 1977 (plug changed across years - see table).
Buy the plugs for your KTM ISDT Enduro
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.
KTM ISDT Enduro spark plugs by year
| Years | Standard | Iridium | Gap |
|---|---|---|---|
| 1977 | BR9HS | BR9HIX | 0.024" |
| 1977 | DCPR8E | BR9HIX | 0.024" |
Frequently asked
What spark plug does a KTM ISDT Enduro take?
The KTM ISDT Enduro takes an NGK BR9HS spark plug, gapped to 0.024 inch. The iridium upgrade is the BR9HIX. See the by-year table for earlier models.
What is the spark plug gap for a KTM ISDT Enduro?
The spark plug gap for the KTM ISDT Enduro is 0.024 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 KTM ISDT Enduro?
Yes. The BR9HIX is the iridium version of the BR9HS - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your KTM ISDT Enduro
We cover the other consumables for your machine too - the exact fit, cited, in one place.