Accelerator pump

[robing]

Hi new here with new to me 2000 challenger twin rotax 717's.
Boat has 26 hours!!!!
That bieng said there are few problems.
The accelerator pump isn't working on port side, so it hesitates and then goes like crazy!!
These things are quick!!
Any body have any thoughts on this? Took little hose off its clean. Took little bottom hose of and found a little brass orfice and it's clean. I can hold my thumb on it and it feels like it wants to work. Actually did pump a few times.
Thanks in advance for the help.

 

[Danosll]

make sure the recharge jets are clean .spray carb cleaner through check valve and jets you should have agood stream right into carb throat . the little balls in the outlets on the carbs tend to stick shut. spray with cleaner till you get steady stream. check adjustment should just touch aacell pump plunger at idle . if gap is too large diaphram may have became brittle.

 

[Dr Honda]

Yep... a good cleaning will

A) Probably fix the issue.

or

B) You will see that you need a new pump diaphragm.

 

[robing]

I wonder if you guys know what carb rebuild kits I need and accelerator pump rebuild kit. And a link to where to buy. Need pop tool to.
It's a 2000 challenger bombardier with 2-717 dos strokes. I can tell u they are Mikuni carbs.
I feel like they have never been rebuilt
Maybe two new carbs if you guys know where to get that too. If they were new do I still have to check Pop off ? And re jet? For 2000 feet.
Thanks I know I'm all over the place on this but whatever is best right?

 

[Danosll]

these should do the trick http://www.shopsbt.com/sea-2000-dch/mikuni-sbn-carb-rebuild-kit-seadoo-kawasaki-yamaha.html .you should change needle and seat also .yours could 1.5mm double check. http://www.shopsbt.com/sea-2000-dch/mikuni-sbn-carb-rebuild-kit-seadoo-kawasaki-yamaha.html . you can build a popoff gauge

 

[Danosll]

here is a gauge i made http://www.seadooforum.com/showthread.php?71921-Home-made-pressure-test-gauge&p=412600#post412600.

 

[robing]

Ok I ordered sbt kits. Noticed that they are not oem. Is that a problem?

 

[Danosll]

Ok I ordered sbt kits. Noticed that they are not oem. Is that a problem?

I've had good luck with them. Just search this site you will find a couple of how to articles on rebuilding yours. In PWC

 

[robing]

Thanks. This sure is a good forum! Internet rules!!

 

[robing]

So I hAve a 1.5 needle seat. Do you fellas know what my pop off pressure should be. Right now it's 37 psi with shiny silver spring.

 

[robing]

Also high screw has stops so it doesn't come out. Do I just leave that alone or? Was set in middle.

 

[racerxxx]

Use a little flat blade screw driver under that cap and it week slide up. Then you can completely remove the hs

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