Results 1 to 4 of 4
Thread: JS550 Fuel Line Restrictor
04-20-2011, 10:05 AM #1
JS550 Fuel Line Restrictor
So I bought a JS550 that's been modded to the tee only thing that it'll need is a 44mm carb. But until then... The rev limiter has been removed and I hear that on the return line you need a Restrictor so it slows the flow of fuel back to the tank so the engine doesn't run lean. How should I go about doing that? I heard a .03" brass fitting?
04-21-2011, 08:48 AM #2
yes, you will need a restrictor of some sort. you can either make one, or i have in line RIVA ones here that are tuneable, it has a mikuni main jet, that is replaceable. it comes with a 115. 17.00 + s&h
please email, or call if i can help.
04-22-2011, 06:48 PM #3
An easy way to accomplish this is to use a 1/4" plastic barbed fitting and screw in the Mikuni main jet of your choice.
05-13-2011, 08:39 PM #4
The fuel line is small enough you can probably just shove a jet into the return line right after the carb. I would try a Mikuni #90, maybe even smaller.
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By ATS666 in forum Polaris ClassifiedsReplies: 3Last Post: 07-23-2008, 07:10 PM
By Rodneyae in forum Polaris Open DiscussionReplies: 18Last Post: 04-14-2008, 09:07 AM
By xlint89 in forum Polaris Open DiscussionReplies: 8Last Post: 09-05-2007, 02:52 AM
By delagem in forum Polaris Open DiscussionReplies: 8Last Post: 07-17-2007, 10:48 AM
By BBCaprice in forum Polaris How To & FAQsReplies: 2Last Post: 05-01-2007, 02:32 PM