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1997 GSX Won't Start in Water


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Water Crafts
1997 Sea-Doo GSX
#77
Also, do you know where I can find the stock settings because the manual only gives the stock settings for the low-speed screw? @mikidymac
 

jts32

Active Member
Messages
288
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Location
Wisconsin
Water Crafts
1999 GTI
#80
You may have to do a little fine tuning on the water to get a smooth idle at 1500rpm, but stock settings should get you very close.

I would also replace the fuel selector, as that sounds like the only component in the fuel system you haven't already replaced.
 
Messages
97
Likes
1
Water Crafts
1997 Sea-Doo GSX
#81
Yeah just put one on order from the website up at the top of the screen so I don't get another weird one. Everything else on this ski except the motor has been replaced literally lol.

Thank you again! @jts32

As well as all the previous help couldn't have done it without you guys!

I will update as soon as I tune the carbs. Might be a few days.
I will continue to use the old selector until I get the new one, unfortunately.
 

mikidymac

Moderator
Staff member
Moderator
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11,499
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1,063
Location
California
Water Crafts
2003 GTI
2001 XP
1996 XP
1996 HX
1991 Superjet
2001 Superjet
#82
If that selector is leaking air which isn't uncommon on "cleaned" old new you are risking seizing your engine.
 
Messages
97
Likes
1
Water Crafts
1997 Sea-Doo GSX
#84
Just so you guys know I also got a genuine carb rebuild kit from bayareapowersports so I know the carbs are redone correctly and with OEM. So I will probably be working on that this weekend. Also got the needle valve's and seats too.
 

mikidymac

Moderator
Staff member
Moderator
Messages
11,499
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1,063
Location
California
Water Crafts
2003 GTI
2001 XP
1996 XP
1996 HX
1991 Superjet
2001 Superjet
#85
Perfect, just don't use the springs from the kits.
Also test pop-off and leak down to "check your work".
 

mikidymac

Moderator
Staff member
Moderator
Messages
11,499
Likes
1,063
Location
California
Water Crafts
2003 GTI
2001 XP
1996 XP
1996 HX
1991 Superjet
2001 Superjet
#87
The springs in the kits are wrong for the seadoo carbs., your springs should be black or dark army green. If not you need to order new 80 gram springs.

Read all of this before starting..Carb Rebuild Thread.
 

mikidymac

Moderator
Staff member
Moderator
Messages
11,499
Likes
1,063
Location
California
Water Crafts
2003 GTI
2001 XP
1996 XP
1996 HX
1991 Superjet
2001 Superjet
#90
yes, as long as they are actual mikuni parts not aftermarket.
 
Messages
97
Likes
1
Water Crafts
1997 Sea-Doo GSX
#94
Alright, Guys update,

So I rebuilt the carbs and followed the rebuild carb thread to a tee. I also changed the spark plugs as the old ones were very black on the tips. I put the carbs to stock tuning the fine-tuned them from there.

Idle screw: 4 turns out from seat
Low-speed screw: 1-3/8 turns from seat
High-Speed MAG: 0 turns from seat
High-Speed PTO: 3/8 turns from seat

I have inquired a new issue, the carbs are backfiring at high-speed rpm's.

Here is a link to the video:

Thank you for the help!
 
Messages
97
Likes
1
Water Crafts
1997 Sea-Doo GSX
It is backfiring now only on the PTO side and when I hold the throttle fully open.

PTO High-speed screw is a turn out now.
 

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