Home / 4 NGK Spark Plugs - For Yamaha Superjet 700AX Watercraft
4 NGK Spark Plugs - For Yamaha Superjet 700AX Watercraft
$24.77
Free shipping on all orders.
Qty In Stock: 20
The NGK 4122 Spark Plug (BR8HS) is engineered for compact 2-stroke Yamaha watercraft engines, offering quick starts, smooth idling, and long-lasting reliability in marine environments.
Features & Benefits:
🔧 Copper core promotes stable spark and efficient combustion
🔧 Short-reach design fits small 2-cycle marine engines
🔧 Trivalent plating resists corrosion from moisture and salt
🔧 Resistor reduces radio frequency interference
Specifications:
Brand & Part Number: NGK 4122 BR8HS
Material: Copper
Thread Size: 14mm
Reach: 12.7mm (0.5 in.)
Hex Size: 13/16 in. (20.6mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.028 in. (0.7mm)
Use NGK BR8HS to keep your Yamaha watercraft starting instantly and performing strong—order now!
Shipping Info
Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.
Returns
30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.
How do I confirm this part fits?
Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.
Are these parts new?
Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.
How fast will my order ship?
In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.
What is your return policy?
Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.
