NGK 97181 iridium IX spark plug for the 2021 Cfmoto Cforce 400 398cc, the 2022 Cforce 400 400cc, the 2023 Cforce 400 398cc, the 2024 Cforce 400 399cc and other vehicles ignites the air-fuel mixture in the cylinder with a fine wire iridium tip. Iridium IX is made for performance enthusiasts and is recommended for modified or high-performance applications, or as an upgrade to OE nickel alloy spark plugs.
- NGK Iridium IX series plug with an iridium alloy center electrode and an extremely high melting point
- Fine wire 0.6 mm iridium tip for high durability and a consistently stable spark
- Tapered cut ground electrode with a reduced quenching design for ignitability and throttle response
- 98% pure copper core for heat dissipation, conductivity and ultra wide heat ranges
- Trivalent metal plating with anti-corrosion and anti-seizing properties for easier installation and removal
Quick facts
- Part: NGK 97181 iridium IX spark plug
- Fits: 2021 Cfmoto Cforce 400 398cc, the 2022 Cforce 400 400cc, the 2023 Cforce 400 398cc, the 2024 Cforce 400 399cc and other vehicles
- Condition: New
Hard starting, a rough idle or a misfire can mean a plug has worn out. A weak ignition coil or a fuel delivery problem can produce the same signs, so find the cause before buying.
Fits
It fits the 2023-2024 Cfmoto Cforce 500 495cc, which takes one plug, and the 2023-2024 Cfmoto Zforce 800 Trail 800cc, which takes two, along with many more models. If your machine isn't named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Thread size: M12 - 1.25 (metric)
- Reach: 19.0 mm (0.750 in)
- Seat type: flat, with crush washer included
- Heat range: 8
- Pre-gap: 0.8 mm (.032 in)
- Center electrode insulator tip projection: 3.0 mm (0.12 in), mid projection
Build and materials
- Center electrode: fine wire, single iridium tip, copper core
- Ground electrode: nickel, taper cut, J-gap
- Resistor type: yes, 5000 ohm
- Terminal: non-removable nut
- Insulator material: ceramic
- Condition: new
- NGK stock number: 97637
- NGK part number: DCPR8EIX SOLID
- Country of origin: Japan
In the box
One spark plug with its crush washer.
Interchange: 97637 · DCPR8EIX SOLID
This part cross-references / interchanges with the following part numbers:
12 12 7 690 603, 715900637, 10R12A, 32335-04, 59039093100, 97181, DCPR8EIX SOLID, 3088051
Frequently Asked Questions
Does the NGK 97181 fit the 2023-2024 Cfmoto Cforce 500 495cc?
Yes, the NGK 97181 iridium IX spark plug fits the 2023-2024 Cfmoto Cforce 500 495cc, which takes one plug.
How many plugs does the 2023-2024 Cfmoto Zforce 800 Trail 800cc take?
The 2023-2024 Cfmoto Zforce 800 Trail 800cc takes two plugs, and NGK 97181 fits it.
What thread size and reach do these NGK iridium plugs have?
This plug has an M12 - 1.25 metric thread, a 19.0 mm (0.750 in) reach and a flat seat with a crush washer. Its heat range is 8.
Does this spark plug come pre-gapped?
Yes, it is pre-gapped at 0.8 mm (.032 in) and comes with a crush washer.
Is NGK 97637 the same plug as the 97181?
Yes, 97637 and DCPR8EIX SOLID are NGK's other numbers for this plug, which is also 97181.
