Product Details
Description
NGK CR8EH-9 Spark Plug; Honda Ruckus, Stella
Key Details
- Original Parts For Scooters SKU: 145-23
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: Ruckus
- Fits Models / Common Applications: Genuine Stella and Honda Ruckus and other compatible models may apply.
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a Genuine Stella?
A: This SKU is listed with Genuine Stella model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for Ruckus scooters?
A: This SKU is listed with Ruckus engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 5 × 5 × 1 in |
| Condition | New |
|---|
NGK's CR8EH-9 spark plug gives your Genuine Stella 4T, Stella Automatic, Honda Ruckus and other 139QMB and GY6 bikes a consistent, reliable spark to get them up and moving. Pick up a couple to keep in your glove box just in case. Need a new cap? The NGK 90 ° spark plug cap is available online (SKU: SPCAP).Â
Original Parts For Scooters SKU 145-23
- Thread Size: 10mm
- Reach: 19mm (3/4 inch)
- Hex Size: 16mm (5/8 inch)
- Half Thread Type: 12.7mm (1/2 inch) threadedÂ
- Gap: 0.9mm (.035 inch)
- Heat Range: 8
- Does not include terminal nut
- Packaging may vary from product photo
| Genuine Stella 4T | Genuine Stella Automatic |
| Honda Ruckus (NPS50) | Â |
139QMB-based 50cc / 80cc engines with the following engine codes:
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
| 157QMJ | 161QMK | 152QMI | 1P61QMK |
| YN1P57QMJ | 1P52FMI | 154FMI | JJ157QMJ |
| 1P57QMJ | BN157QMJ | BN161QMK-A | Other QMJ, QMK, and QMI models |
Don't see your engine listed? If the engine code includes "QM" or "FM", and the plug you currently use meets the specs above, this product is compatible with your vehicle.
About NGK: With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands.





