NGK 4339 DCPR8E SeaDoo 4-Tec Spark Plug Set - 130 155 185 215 255 260 RXP RXT X GTI GTX Wake GTS GTI - 3 Pack Review

3 jet skis, 9 spark plugs, all fit snugly together with gap. With Sea Doo skis, they have to be changed annually, but they are quite cheap.

Contacted and ordered with no problems, dispatched almost immediately and delivered earlier than expected, pre-sealed and ready to use. Added oil change and installed new spark plugs, removed and gone misfires, ski now works perfectly

I have a 2010 SeaDoo Speedster 255hp and love the boat. I've recently noticed that it's running rough and in short the new spark plugs have given it new life. The spark plugs don't seem to last as long as they should (I put in new ones 2 years ago and haven't spent many hours on the boat since) but takes less than 5 minutes to change out. Do this every year and carry a spare set of keys on board and you will have a smooth ride that purrs like a kitten and roars like a lion.

Used a feeler gauge only to find they were all preset straight out of the box to 0.30/0.75mm. These connectors are a direct OEM replacement for my 18 year old SeaDoo GTR-X. Put them in with a fresh oil and change the filter after 25 hours. All you need is a set of torx bits and a spark plug head with a few inches of extension. If you don't have a spark plug socket, a 5/8 socket will loosen the spark plugs. You can then use the rubber end of the coil packs to grab each plug to pull them out and…