Disassembly and Cleaning Get your Mikuni pump stuff here: http://amzn.to/2sFgqUr My site: http://www.airfilterhub.com check out my channel for similar videos TWITTER: http://www.twitter.com/garykist INSTAGRAM: http://www.instagram.com/garykist "We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites." This helps you get products that you need/want, while helping me make better content for you at the same time!
How to rebuild the mikuni fuel pump.
Common problems with shifter Karts fuel systems running pulse fuel pumps is bypassing the needle and seat and flooding out. This is the most simple and best way to solve the issue completely.
Testing to ensure the fuel pump diaphragms (I believe the one-way check valve) holds a pressure of at least 4 PSI for 10 seconds (as per the Seadoo shop manual).
A short video from MonsterGY6 showing how to hook up the vacuum lines from the inatke manifold to the carburetor and Mikuni fuel pump
Ever wonder how a carb works - I'll explain it.
3 way fuel pump install vid
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Used my drill and some nylon tubing to test the oil pump. Proper testing calls for holding the engine at 2,000 RPMs for 2 minutes. Oil pump must be in fully open position and should pump out between 1.47 - 1.79 ml. of oil.
The Walbro Carburator has a fuel pump that work nomatter what direction you keep it in. It will work upside-down too. The ordinary float-chamber carburator will not. How the Walbro Throttle and valve work; http://www.youtube.com/watch?v=9-xgVEvUxuM