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Terry Nipper Posted on Aug 19, 2019

1998 yamaha waverunner xl1200 setting for a year checking compression # 1 62 psi # 2 80 psi # 3 90 psi is that ok

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David McCollough

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  • Contributor 14 Answers
  • Posted on Aug 20, 2019
David McCollough
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Not a problem if 1 drops below 60 issues will start. Put 5 oz of marvel mystery oil in the cylinder to help free up the rings. Pour in turn over engine do not start. Let sit over night.

5 Related Answers

Anonymous

  • 207 Answers
  • Posted on Jul 08, 2009

SOURCE: how do we start a yamaha 1998 xl 1200 wave runner

first put a new battery in it. then put your lanyard in the handle bar clip push the start button make sure that you have a life jacket on when your in the water and make sure that u attach the lanyard to your wrist or life jacket

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Anonymous

  • 207 Answers
  • Posted on Jul 10, 2009

SOURCE: my yamaha 1100 waverunner will not turn on . I

u need to push mode and hold it it will display ---- push aaaa that is the factory start code for that year if that dosent work let me know and we will have to find out what code you need if aaaa works after u push the code it should say start

Anonymous

  • 948 Answers
  • Posted on Jul 12, 2009

SOURCE: yamaha waverunner excessive smoke

White smoke means coolant in the combustion chamber. Most likely a blown head gasket. You will have to tear the engine apart to be sure.

Anonymous

  • 1 Answer
  • Posted on Oct 10, 2010

SOURCE: I have a 2000 Yamaha XL1200 waverunner. When I

my 1998 xl 1200 has this thing it the batter is changed or if it sits for awhile you have to hit mode then something that says code should pop up on the screen then hit a b c a and then it should be able to start. but your code may be different

Anonymous

  • 1 Answer
  • Posted on Jun 06, 2011

SOURCE: how do I reset the code on a yamaha waverunner

How do I reset the code on dash board 99 yamaha waverunner 800?

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1999 Yamaha Waverunner XL1200 LTD service manual

Check this site to see if they have the service manual you are looking for.

https://www.manualslib.com/
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Looking to buy used waverunners.one is 98 yamaha gp 800 93hrs. limited,the other is95 seadoo gts580cc 177hrs.what should the compression test reading be and what else should i check? [email protected]

For a motor to run the compression needs to be over 110 PSI. The normal compression will be between 130 PSI and 175 PSI . What is important is that both or all three cylinders be with in 5 to 10 PSI of each other. If one cylinder has much lower compression than another it is an indication that motor work is necessary to fix the imbalance. With older boats it is always a good idea to pull the motors and replace the crankshaft end seals. Also it is not a boat if it does not float. Inspect the hull for damage, cracks , holes, bashes/bruises, these will need to be repaired. Figure out how to look into the intake grate and inspect the impeller and mated surface for nicks damage. Seadoo's have a replaceable plastic ring around the impeller ($80) that is easily torn up by rocks and debris. If the gap between the impeller and the ring is wide you will lose significant thrust. Only your own sweat equity will make a boat needing a lot of work a good deal. Happy Riding.
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I have a 2000 Yamaha XL1200 waverunner. When I went to start it, the existing battery was weak. So, I put in a new battery and now it won't even try to start.

my 1998 xl 1200 has this thing it the batter is changed or if it sits for awhile you have to hit mode then something that says code should pop up on the screen then hit a b c a and then it should be able to start. but your code may be different
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YAMAHA WAVERUNNER 2000 XL 800, WILL NOT RUN PAST 12 MPH

Have you done a compression test on all cylinders? My guess is you have a dead cylinder (no oil to one or more cylinders causing loss of power). If the compression test passes (all cylinders equal and higher than 100-110 psi) you have a restricted exhaust from a failed catalytic converter that has broken apart.
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I have a 1998 1200XL yamaha waverunner. it was running fine then it wont go no more than 30mph and its smoking.

check the exhaust manifold gasket so times they leak in to the hood are want ever and kills your intake air will not run up are take the seat off and run it if it run fine or better you found the problem
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