What to do if Sea-doo 4-TEC GTX engine turns normally but won't start?
- TTara KaneAug 21, 2025
If your Sea-Doo boat engine turns normally but doesn't start, refill the fuel tank or siphon and fill with fresh fuel in case of water contamination. Also, you can replace fouled or defective spark plugs. If a fuse is blown, check the wiring and replace the fuse(s).