KYMCO Spark Plug Chart — NGK Plug and Part Numbers by Model
Every KYMCO spark plug in this chart is the factory-specified plug for its models — the same NGK heat range and reach the engine was tuned with. If your KYMCO is hard to start, idles rough, or has lost its crisp throttle response, a fresh plug is the cheapest fix there is. Match your model below to get both the NGK code and the genuine KYMCO part number.
KYMCO spark plug part numbers by model
| OEM plug part number | Fits | Variants |
|---|---|---|
| 98059-57916-00 |
AK550, AK550 2022, AK550 ST, COMPAGNO 110i, CV3, CV3 2023, DOWNTOWN GT 350, MAXXER 450i, MXU, MXU 450, MXU 450 I 2026 EPA, MXU 450i, MXU 450i LE, MXU 450I LE 2026 EPA, MXU 500i, MXU 550, MXU 550i, MXU 550i EPS, MXU 700, MXU 700 Exi, MXU 700 LE, MXU 700i, MXU 700i EPS, MXU 700i LE, MXU 700i LE 2024, MXU 700i Prime, MXU Hunter 700i, PEOPLE GTi 300, UXV, UXV 450, UXV 450i, UXV 450i 2023MY, UXV 450i CAMO, UXV 450i LE, UXV 450i LE EPS, UXV 450i MY2024, UXV 450i Platform 2023MY, UXV 450i Prime, UXV 500i, UXV 500i HE, UXV 700, UXV 700i, UXV 700i 2023MY, UXV 700i CAMO, UXV 700i HE, UXV 700i LE, UXV 700i LE EPS, UXV 700i LE HUNTER, UXV 700i LE PRIME, UXV 700i TURF | 254 |
| 98056-5771R-00 |
AGILITY 125, Agility 50, Agility 50 MY2023, Agility 50 MY2025, Agility 50 MY2026, K-PIPE 125, LIKE, LIKE 200, MONGOOSE 110i, Mongoose 70 S, Mongoose 70s, Mongoose 90S, SUPER 8 150, SUPER 8 150R ON-ROAD, SUPER 8 150X, SUPER 8 50X, SUPER 8 50X MY2025, SUPER 8 50X MY2026, SUPER8, SUPER8 150X OFF-ROAD, SUPER8 50R ON-ROAD | 106 |
| 98069-5791R-00 |
MAXXER 300, Mongoose, Mongoose 270, Mongoose 270i, MONGOOSE 270I 2026EPA, Mongoose 270i EPA/EFI, MXU 270, MXU 270i EURO, MXU 270I EURO 2026MY | 49 |
| 98069-5771R |
MXU 150, MXU 150 2026 EPA, MXU 150 X, MXU 150X, MXU 150X 2021MY EPA, MXU 150X 2023MY, MXU 150X 2025MY EPA | 17 |
| 98056-5671R-00 |
Agility 50, LIKE, Super 8 50 MY2026, SUPER 8 R | 17 |
| 98069-5691R-00 |
X-TOWN 300（2018）, X-Town 300i ABS, X-TOWN300i ABS | 13 |
| 98076-5871G-00 |
LIKE, LIKE 50, LIKE 50 LX | 10 |
| 98059-5791R-00 |
DOWNTOWN GT 125 | 3 |
Reading the NGK code on your KYMCO plug
The code in parentheses — CR7E, CR7HSA, DPR7EA-9 — is the NGK designation. The digit in the middle is the heat range: KYMCO's air-cooled 50s run hotter plugs (6), the liquid-cooled 300–700 cc engines run 7s. Staying with the factory heat range matters more than brand; a plug that runs too hot risks pre-ignition, too cold and it fouls.
How to confirm fitment for your exact model
Model names repeat across years and regions, so the safest way to order the right spark plug is to confirm it on your model's own diagram:
- Find your vehicle on the All Models page — or decode your VIN with the VIN lookup to land on the exact model-year variant.
- Open the drivetrain or engine diagram for your model (the exploded views mirror KYMCO's factory fiche).
- Check that the part number on the diagram matches the one in the chart above, then order straight from the part page.
If a part number has been superseded, the part page shows the replacement — you will always receive the current factory part.
When to replace a KYMCO spark plug
KYMCO service schedules typically call for checking the plug every 2,500 miles (4,000 km) and replacing it around 5,000–6,000 miles (8,000–10,000 km). Replace it sooner if the electrode is rounded, the insulator is oily or sooty black, or the gap has opened past spec.
Changing a plug is a ten-minute job on most models — while you're in there, a fresh air filter element keeps the mixture the plug was chosen for.