Sea-Doo Premium Engine 4TEC SC GTX 4Tec SC /GTX 4 Tec SC LTD /RXP SC /Challenger 1800 /Speedster 200 SC /Sportster 4 Tec SCIC /Sportster SC /RXT /GTX LTD /Speedster SC /Challenger 230 SC /GTX Wake /RXP /GTX Limited iS 255 /GTX 215 /RXT iS 255 /RXT-X