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TOPIC: Re:Drop In Mileage Forum Tools Post New Topic Show latest posts Rules

#5929 MY-STAR-1 (User) Fresh Boarder Posts: 79 Re:Drop In Mileage 2 Years, 7 Months ago   NO OPEN AIR KIT YET JUST A SHOGUN LONG CANNON EXHAUST WITH 12" LONG 2" i.d. BAFFLES, was concerned about fuel mileage goin down the crapper so am going to turn the PMS screw in 1/2 turn to 2 1/2 total turns out and also going to undo the choke cable and make sure all is ok and that the choke isnt hanging half shut   Logged     The administrator has disabled public write access. #5930 Gram (Admin) Musky took my beer! Admin Posts: 2568 Re:Drop In Mileage 2 Years, 7 Months ago   Your right MY-STAR-1, The 175 is smaller than the 182.5 . Why did you change the main? Did you replace your needle or are you using the factory needle? With aftermarket needle, 175 would be a lot better (aftermarket needles are a lot thinner and flow a lot more fuel). The needle was not really changed going 03 and earlier to 04 and later. Its not really small enough for the 1700's fuel needs, so Yamaha compensated by putting in a lot larger main jet. So... 03 and earlier have to install larger jets when they replace the needles with good airkit and exhaust, 04 and later have to go down in size. If your using the stock needle, put the 182.5 back in. Aftermarket needle, keep the 175. GRAM   Logged       The administrator has disabled public write access. #5931 MY-STAR-1 (User) Fresh Boarder Posts: 79 Re:Drop In Mileage 2 Years, 7 Months ago   yes replaced the needle so ill keep the 175 . I am turbning in the PMS screw 1/2 way ill lety everyone know how it comes out.   Logged     The administrator has disabled public write access. #6164 MY-STAR-1 (User) Fresh Boarder Posts: 79 Re:Drop In Mileage 2 Years, 7 Months ago   OK back to the mileage issue turned my PMS SCREW IN 1/2 turn for a total of2 1/2 total turns out with no significant increase so my next step will be to remove carb again set needle to 3rd notch and turn pms screw back to 3 turns out and will report on my MPG after several tanks. iot has been several tanks since i made 1/2 turn adjust   Logged     The administrator has disabled public write access.

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