rotax 1503

  1. Mikeysthings

    Is this intercool made of copper? How do I clean it

    Rebuilding engine after SC failure. Metal pieces in intercooler along with oil. I was wondering would be good to clean it with? Also is this made of copper?
  2. F

    2003 GTX Limited Supercharged 1503 Engine replacement

    I have a 2003 GTX Limited Supercharged that has a blown engine. After pulling the engine, I have come to the conclusion that it cannot be rebuilt, but needs to be replaced. The question I have is the difference between the Rotax 1503 155hp engine for the supercharged, and non-supercharged...
  3. S

    SeaDoo Rotax 4-tec engine low oil pressure on start up.

    Hey, I own a Gti 155 se 2012. When I first start the Ski, keep getting a message across the dash saying 'low oil pressure'. After about 1 second, the message will disappear and never return for the rest of the day. No issues with low oil in the engine and no leaking that I can see...
  4. A

    2012 Speedster 150 - Aftermarket Superchargers?

    Hello, I've recently purchased a new 2012 Speedster 150 with the naturally aspirated 155HP motor. I'm quite satisfied with the current top speed of 46 MPH and she handles like a dream. The question i'm wondering is if there is aftermarket supercharger kits for the Rotax 1503 motor? I've...
  5. R

    Wanted: GTX 215hp 4-TEC SCIC Rotax Engine

    Hi, If anybody has a complete Rotax 1503 SC IC engine for sale to suit a 2005 GTX Limited Edition Sea Doo Jet Ski - please post here..!! Thanks Shane.