hi there can anyone please tell me if i can put a rotax 720 in to my 1995 seadoo sportster without any modifications it had a 650cc in it white engine or has anyone got a complete crankshaft and pistons ,rebuild kit for 650x thanks colin
I laerned you can buy a rebuilt engine with a warranty at sbt. Its cheaper than rebuiding it and it saves the hassel check it out short block technologies, just google sbt. good luck