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TOPIC: vibration at high speeds and rpm's Forum Tools Post New Topic Show latest posts Rules

#132444 myred55 (User) Junior Boarder Posts: 183 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   I found this on another Yamaha forum. It states he simply adjusted the PMS and it took away all the vibration. I have a 2008 R* which is fuel injected, do I have a PMS to adjust or is this just on carberated models? "If the vibration happens in a very narrow band of RPM it might be cured by making the mixture just slightly richer by adjusting the PMS. I was getting a pronounced vibration at 40 in 3rd, 50 in 4th, and at 62 in 5th gear. It's now gone completely with my PMS adjusted. It was described on another forum that the front cylinder seems to run leaner than the rear, and at certain low rpms they sort of fight with each other and created this vibe. Worth a try. The adjustment also all but eliminated the knock I had!"   Logged     The administrator has disabled public write access. #132458 bubbaburl (User) Fresh Boarder Posts: 42 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   Hi waso50 welcome to the clinic. I have a 2008 r* silverado S and have vibs. at 2000-2500 rpm's and that will keep you awake. So i to live in az. and will be in tuson at kenndy park on ajo for a vet. flag rally. Like you said , phoenix is the plsce to ride this time of year. ride safe.   Logged     The administrator has disabled public write access. #132464 waso50 (User) Fresh Boarder Posts: 4 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   Hey Yes I hope to make that ride also so hopefully see ya there I will be the short fat guy on the red and white 99 roadstar!   Logged     The administrator has disabled public write access. #132473 MidStar07 (User) Expert Boarder Posts: 560 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   waso50 - Haven't seen anyone mention engine mounts. Just generally go over all the nuts and bolts. My experience is like others that the bike is smoother as the speeds rise. Good luck.   Logged       The administrator has disabled public write access. #132492 bubbaburl (User) Fresh Boarder Posts: 42 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   I also hope to see you, but i also am the short fat guy riding a r* he he he. SO tighten every bolt that you can get to. Hope you find the probem soon. ride safe. p.s.look for a large U.S.M.C. patch with a big flag above the patch   Logged     The administrator has disabled public write access. #132496 Rayjay (User) Friends make life enjoyable. Platinum Boarder Posts: 1347 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   MidStar07 wrote: Re:Vibration 1 Day, 2 Hours ago OK, now I'm really trippin' out. Not only did adjusting my PMS quiet the knocking down by about 50% or more, but the vibration that I was getting that caused me to start this thread is GONE This bike has a mind of its own, and I think I like the way it's thinking. I found this post on the Re:Vibration thread from a recent entry. MidStar07 just went through the same thing.   Logged     Ray   The administrator has disabled public write access. #132526 BlkCherryBomb (User) If I do it today, then what is tomorrow for? Senior Boarder Posts: 262 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   For those who fixed this problem by adjusting the PMS, which way did you adjust it? Did you solve it by turning the screw in, or out?   Logged     One ride is never enough.   The administrator has disabled public write access. #132529 BigBoyinMS (User) I'm satisfied never being satisfied. Platinum Boarder Posts: 1705 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   BlkCherryBomb wrote: For those who fixed this problem by adjusting the PMS, which way did you adjust it? Did you solve it by turning the screw in, or out? Turning the PMS out richens it. And the FI '08's do not have a PMS. It's automatically adjusted by the module.   Logged     2006 Midnight   The administrator has disabled public write access. #132536 BlkCherryBomb (User) If I do it today, then what is tomorrow for? Senior Boarder Posts: 262 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   Right but mine is an 05 so she's definitely carb'd.   Logged     One ride is never enough.   The administrator has disabled public write access. #132544 javawave (User) Over 17235 good days in a row and counting Platinum Boarder Posts: 5710 Re:vibration at high speeds and rpm's 3 Years, 7 Months ago   caution when turning it out. Richer may mean a better ride in the short term, but too rich will bring on problems much bigger than vibration. jmo.   Logged     \\\\\\\\\\\\\\\"A mind full of judgment has little room for wisdom\\\\\\\\\\\\\\\"   The administrator has disabled public write access.

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