Automotive Parts and Accessories: SeaDoo Crankshaft End Seal 587 / 657 / 717 / 720 SP GT SPI XP GTS SPX SPI GTS GTX XP GTI GSI GS GTS - JSP Manufacturing

Automotive Parts and Accessories: Sea-Doo Connecting Rod for 657 1993 1994 XP 1994 1995 GTX 1994 1995 SPX - SBT, Inc

Automotive Parts and Accessories: Seadoo 650 657 cc White Engine Complete Gasket Kit WSM PWC 007-621 - Water Sport Manufacturing

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Seadoo Crankshaft 657 Popular Q&A

Q: How much should it cost to fix Lower rod bearing on crankshaft in...
A: Hard too say. Did it damage the engine cases? If that bearing went, others are on there way out. That crankshaft is pressed together with the rods in place. If ... Read More »

Q: seadoo 657x question?
A: Yes, there is a difference, The ports are oval instead of round, I do know that. I found some pics on the net but didn't save them. I too bought a 95 GTX unknow... Read More »

Q: Is the seadoo 657x motor a sump pump motor?
A: The 657x motor is a 2-stroke motor. There is no oil in the sump. The oil is mixed in with the fuel which passes thru-out the entire engine before being used to ... Read More »

Q: Is the seadoo 657x motor a sump pump motor?
A: Expert's Answer Hello, Well I wish to offer a little more to the answer and question for you, well that engine does not per say have oil in the bottom end and ... Read More »

Q: 94 seadoo bombardier spx 657, starts and idles fine (just had car...
A: You can run it with the sensor unpluged as long as you can put your hand on the front cylinder and its not scalding hot. Experience: 5+ years at a motorcycle an... Read More »