low compression

  1. E

    2002 GTX-DI

    Potentially going to look at two 2002 GTX-DI water-crafts. The owner is asking $3,000 for the pair with a trailer. He says one runs but has low compression and the other just needs a starter. Both have just over 200 hours. Both look pretty clean aesthetically and the trailer seems to be in good...
  2. D

    98 GS Low Compression ?

    Hello to all !! New member and just bought a 98 GS 717. I ran a compression test before I bought it and knew it was low, right around 88-90 on both cylinders. Previous owner started it up for me and it ran OK, could tell it at least needed the carb rebuilt, that's not to hard so I bought it...
  3. T

    Your not going to believe me, about compression

    Ok, here goes my story. The sea doo I am going to tell you about is a 1999 gsx fuel injection and 131 hrs. I have owned this machine since 2001. So I have had it a long time. Always have run goodown. Never a problem with her. The machine has sat for 2 years here in michigan. The reason it...
  4. S

    2001 SeaDoo GTX Di - Front Cylinder Has Low Compression and Fouls Spark Plug

    Hi, I have a 2001 SeaDoo GTX Di with 160 hours. With fresh spark plugs it runs good, but after about 5 hours I have no top end power. The front spark plug is completely fouled ( burnt looking ). The rear spark plug looks like it should. I tested compression and have low compression in the...
  5. J

    seadoo 657x xp 1994 low compression after complete rebuild.

    hi guys i was given this ski completly striped down and was told it needed new top end rebuilt found out it need alot nore than that. i have now finnished the rebuild with complete new crank, the lot, and it wont start. I have done a compression test and got a reading of 100 on pto side and...
  6. M

    Compression numbers and carb help

    I just picked up a 99 gtx with the 951 in it and 166 hours. It had been sitting a couple years with no stabilizer. I was able to fire it up with old gas and a little starting fluid to help. It ran and idled no problem. I am going to run some fresh gas and seafoam in it. Any other suggestions...
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