2000 GTX I rebuilt both carbs today and checked pop off pressure. First carb was right in spec at 24psi. Second one was popping off consistently at 13psi. I started to get worried. I put in the old spring which was the same size and color and wouldn't you know it, the pop off pressure was now consistently 24psi. Anyone have this happen to them?
-
This site contains eBay affiliate links for which Sea-Doo Forum may be compensated.
genuine mikuni carb kit came with incorrect needle spring???
- Thread starter kilabez0
- Start date
- Status
benjilafouine
Well-Known Member
Yep, highly possible. Plenty of kits out there for different machines (but same carb model). Most likely you got the wrong ones in the kit.
Benji.
Benji.
I always say, do NOT replace the springs if yours are good. They are consistently off even when new or OEM.
Sportster-2001-951C-Stock
Well-Known Member
Yes, you should re-use those original springs if they're not damaged. Those are the best ones.
Sportster-2001-951C-Stock
Well-Known Member
Good job. This is why you should confirm pop-off, good thing you did.
I avoid replacing carb parts that don't need replacement for this reason, most of the time carbs stop working correctly b/c they're clogged and/or corroded internally. And I inspect everything closely using a magnifying glass still occasionally miss things.
Other types of carb that doesn't work properly are those that have been monkeyed with and have some wrong or inferior parts, or came from another application thus have a different calibration.
Just a small nick in the wire of the spring can cause it to have less tension, maybe with close examination you can discover the problem.
FWIW I'm currently running 80 gram black springs in my SBN46i's as a test, they work fine. I do still have the originals and intend on reinstalling them next time the carbs come off.
I have a habit of keeping any original parts for a lengthy period, occasionally they come in handy if not for anything but reference.
I avoid replacing carb parts that don't need replacement for this reason, most of the time carbs stop working correctly b/c they're clogged and/or corroded internally. And I inspect everything closely using a magnifying glass still occasionally miss things.
Other types of carb that doesn't work properly are those that have been monkeyed with and have some wrong or inferior parts, or came from another application thus have a different calibration.
Just a small nick in the wire of the spring can cause it to have less tension, maybe with close examination you can discover the problem.
FWIW I'm currently running 80 gram black springs in my SBN46i's as a test, they work fine. I do still have the originals and intend on reinstalling them next time the carbs come off.
I have a habit of keeping any original parts for a lengthy period, occasionally they come in handy if not for anything but reference.
Last edited by a moderator:
- Status
