Dave
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SuzukiSavage.com Rocks!
Posts: 18097
Camp Springs, Kentucky
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My own personal experience with jet changes is......throwing in a couple of jets doesn't take long...on the second time. The first encounter you will be cleaning the carb, finding out what jets are in it, getting out the stubborn screws in the slide that hold the white spacer in, drilling out the brass plug that covers the idle mixture screw, installing a new fuel hose to replace the old cracked one, going to the hardware store to find the allen screws to replace the stock phillips ones....etc.
If you want to just replace the existing jets in hopes of making a better running bike.......that might/could work adn you might get a bike that runs better by installing jets that have been working in other peoples bikes.....that is what companies like DynaJet do. My own epxerience is that it took testing of about 5 different combinations to eliminate the off idle flat spot that my bike had.....and to get the "correct" jetting for my owner personal bike dialed in. The main and pilot jet changes could be down pretty quickly after I had installed the allen screws in the float bowl. But my jetting changes invovled changing the white spacer to 3 washers....and later to 2 washers.......and working on the slide needle is time consuming. I would guess that with the original cleaning, jet changes, test rides, more changes...etc. My "jetting" process took about 8 hours to get the bike running the way I wanted it to run. This 8 hours was spread out over a couple of weeks and many evening test rides.....so it would be nearly impossible to do this on a bike that I did not own.....or someone wasn't willing to leave with you for a few weeks. I also had the advantage of having an O2 sensor and gauge installed at the time so that I could see exactly what was happening when I changed jets.....and I never had to guess what was happening.
Thank goodness I don't have to try and make a living jetting other peoples bikes.....I would starve to death if I only got $ 150 to do it.
Dave
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