I'm new to the forum and would just like to say it is great to find a site like this where people are willing to share knowledge and help each other. I have already found alot of usefull info here.I just recently purchased a pair of 95 seadoo xp 720s. I will list everything that i have done to them and then referring to them as mine and hers and list the issues I'm having.
List of repairs I've made to both
Replaced all grey tempo fuel line
Cleaned fuel selector switch
Cleaned and rebuilt carbs needles and all
Pulled flushed and cleaned fuel tank and oil resevor
Replaced oil lines on pump and bleed system
Cleaned fuel water separator
Compression test
Replaced starter and cylinoid (mine only)
Mine
Pop off pressure is at 40 psi both carbs. Low speed 1 3/4 out high speed 0. 1.2 needle and seat
First day out ran perfect. The very next day went out and ran well still but at wot it would bog down like it was running out of fuel then surge back up and then bog back down. Not sure where to go from here. Starts up well right off trailer but after you ride and go to restart it starts hard almost like it's flooded.
Hers
Pop off pressure came in at 35 psi both carbs. Low speed 1 3/4 out high speed 0. 1.2 needle and seat
First day out would idle and take a little throttle but wouldn't rev up much at all and not enough power to even come up on plane. Took it home and found it was leaking a little stream of fuel out of the cover on the little fuel filter side of the pto carb. Removed cover and retorqued no more leak. Took out the next day and ran a bit better but still not enough power to come up on plane. If you held wot then let out and hit it again it would rev up for a second then bog right back down. Same effect if you held wot then pulled the choke out and pushed it back in real quick would rev up for a second then bog right back down. On the trailer it revs good but at wot it pops through back through carbs and spark arrestor. I dont necessarily want to call it a back fire cause there isn't flames it seems more like smoke or fuel mist. It blows the spark arrestor right out when it happens if you don't hold it down. I have already tried running it with the red wire on the rectifier unplugged and no change. I really don't think it's rotary valve timing cause I don't think the motors have ever been apart. From what I've read here sounds like you have to remove the cover in order to change the timing. . I tried opening the high speed screws a quarter turn on the trailer and it just seemed to bog at wot.
These are my first pwcs so I'm learning alot by reading older threads here. I have owned and been working on 2 strokes for years aa well as 4 strokes but these have me stumped.I would like to say thank you in advance for any light anyone may be able to shed on this situation.
List of repairs I've made to both
Replaced all grey tempo fuel line
Cleaned fuel selector switch
Cleaned and rebuilt carbs needles and all
Pulled flushed and cleaned fuel tank and oil resevor
Replaced oil lines on pump and bleed system
Cleaned fuel water separator
Compression test
Replaced starter and cylinoid (mine only)
Mine
Pop off pressure is at 40 psi both carbs. Low speed 1 3/4 out high speed 0. 1.2 needle and seat
First day out ran perfect. The very next day went out and ran well still but at wot it would bog down like it was running out of fuel then surge back up and then bog back down. Not sure where to go from here. Starts up well right off trailer but after you ride and go to restart it starts hard almost like it's flooded.
Hers
Pop off pressure came in at 35 psi both carbs. Low speed 1 3/4 out high speed 0. 1.2 needle and seat
First day out would idle and take a little throttle but wouldn't rev up much at all and not enough power to even come up on plane. Took it home and found it was leaking a little stream of fuel out of the cover on the little fuel filter side of the pto carb. Removed cover and retorqued no more leak. Took out the next day and ran a bit better but still not enough power to come up on plane. If you held wot then let out and hit it again it would rev up for a second then bog right back down. Same effect if you held wot then pulled the choke out and pushed it back in real quick would rev up for a second then bog right back down. On the trailer it revs good but at wot it pops through back through carbs and spark arrestor. I dont necessarily want to call it a back fire cause there isn't flames it seems more like smoke or fuel mist. It blows the spark arrestor right out when it happens if you don't hold it down. I have already tried running it with the red wire on the rectifier unplugged and no change. I really don't think it's rotary valve timing cause I don't think the motors have ever been apart. From what I've read here sounds like you have to remove the cover in order to change the timing. . I tried opening the high speed screws a quarter turn on the trailer and it just seemed to bog at wot.
These are my first pwcs so I'm learning alot by reading older threads here. I have owned and been working on 2 strokes for years aa well as 4 strokes but these have me stumped.I would like to say thank you in advance for any light anyone may be able to shed on this situation.
