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Sputtering in 5th gear..??

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  • Sputtering in 5th gear..??

    My bike is a 2005 RS 1700 Silverado with about 17k miles .... Whenever I ride and switch my gears, everything seems to be fine. However, while in 5th gear trying to increase speed, It seems to start sputtering? Normally one I'm doing 60 miles per hour, I slowly throttle to gain more speed, but the bike starts to sputter as if it doesn't want to go faster. It seem difficult getting it to smoothly reach 70+ mph....Any ideas what's causing this? Anything I should do?

  • #2
    Have you tried accelerating to 70 in 4th & Then shift?
    Our bikes don't like to be lugged.

    Comment


    • Kenkaman
      Kenkaman commented
      Editing a comment
      I'm pretty sure I have at some point in the past, but I'll try again to see if there's any difference in it and I'll post a result. Thanks!

  • #3
    What is your bike’s setup? Stock? Fuel pump?

    Comment


    • Kenkaman
      Kenkaman commented
      Editing a comment
      I bought the bike used back in April, so I don't know the history of it. However, everything appears to be stock except for the exhaust pipes. I 'personally' don't know what kind they are, but I've had a few people tell me they're Roadhouse Duallys...Other than that, I think it's all stock.

  • #4
    Sounds like you may be in too high a gear...try same thing in 4th. What mods are done to the bike? Pipes, jetted carb, air intake system? Fuel pump still on? Replaced fuel filter lately?

    Comment


    • Kenkaman
      Kenkaman commented
      Editing a comment
      Lug Nut...I think the bike is all stock and don't think any mods have been done to it. Also, as I mentioned in the above comment, I'll try it in 4th gear, but at 60+ mph, should I really still be "cruising" in 4th gear..? Just asking because I'm new to Yamaha Motorcycles...Tks!!

  • #5
    Put some new plugs in it.

    Comment


    • #6
      You can cruise at 60 in fifth, but it won’t accelerate very well. Try shifting into fifth at 70. Have you put Seafoam in the fuel lately to clean the fuel system? Dirty air intake filter? Has it set for many months without riding? Old ethanol fuel turned to gel? Rust and debre in the tank?

      Comment


      • Kenkaman
        Kenkaman commented
        Editing a comment
        Shores....the gas is good, as I've already put about 2000 miles on it since April and I've used SeaFoam in it several times since them. If I'm not mistaken, I probably have some in the tank now...

    • #7
      If your doing 60, then twisting the throttle gradually and shudders in a spot of rpm, then I'm thinking that you might want to check your needle setting. It sounds like a lean condition to me. Next time you try it out, try pulling your choke out halfway to see if it changes the conditions. If it helps then you need to richen the mix by raising the needle, or a larger jet.
      Where is your PMS set at?

      Comment


      • #8
        I can not understand this Lugging Problem. My '01 will "ROLL ON " from 45 mph in 5th gear and not miss a beat. I'm jetted with 170 main , 37.5 pilot , 4th groove w/washer and spacer under the clip. BK breather , PMS about 2.5 out and BUB jug huggers. Getting between 38 -48 MPG.

        Comment


      • #9
        If he just bought this bike he needs to go through it air cleaner spark plugs drain the float bowl at the bare minimum on a carburetor could be he has a vacuum leak mud daubers in the air cleaner

        Comment

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