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Can a missing air box lid cause a loss in power?

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  • Can a missing air box lid cause a loss in power?

    Bike went into the performance shop today. Had the fork seals redone. I had them do a full tune up on the motor and a safety inspection. The bike is in great shape but, the PO removed the air box lid for some reason and never put it back on. According to the mechanic it can cause a huge drop in power.

    Thoughts?

  • #2
    Re: Can a missing air box lid cause a loss in power?

    On the dyno it shouldn't hurt much.

    On the road at speed it will.

    Plenty remove them, for the noise I think.
    "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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    • #3
      Re: Can a missing air box lid cause a loss in power?

      (If I had a TLR, I'd modify the base plate and get rid of the flappers, but would leave the lid on.)
      "I spent most of my money on Scotch, women and cigarettes. The rest I just wasted"

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      • #4
        Re: Can a missing air box lid cause a loss in power?

        Does the PO have the lid? Kinda weird that he forgot to put it back on. Did you get a price on the one that guy on PNW has?

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        • #5
          Re: Can a missing air box lid cause a loss in power?

          Originally posted by Gravey86 View Post
          Does the PO have the lid? Kinda weird that he forgot to put it back on. Did you get a price on the one that guy on PNW has?
          The guy I bought it from didnt even know what type of bike it was. Im sure he doesn't. Besides id rather buy one than deal with that douche again.

          Still waiting on PNW for a response.

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          • #6
            Re: Can a missing air box lid cause a loss in power?

            where did you buy the bike at?city? I'm wondering if it was the guy trying to sell a TLR for 4,100 or trade for a 600cc in Buckley. He bought it froma guy for like $2,800 then the next day had it back up for sale cause it was to much for him.

            Surprised you had gotten a price from PNW, he was pretty quick on mine but I'm going to pass. Alittle high for my taste for stock parts. I would still like to see a pic of the whole bike just so I can see what there really is.

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            • #7
              Re: Can a missing air box lid cause a loss in power?

              Originally posted by Gravey86 View Post
              where did you buy the bike at?city? I'm wondering if it was the guy trying to sell a TLR for 4,100 or trade for a 600cc in Buckley. He bought it froma guy for like $2,800 then the next day had it back up for sale cause it was to much for him.

              Surprised you had gotten a price from PNW, he was pretty quick on mine but I'm going to pass. Alittle high for my taste for stock parts. I would still like to see a pic of the whole bike just so I can see what there really is.
              This was a CL ad in Troutdale. Originally price was $4k, then reduced to $3100. I paid $2400.

              Im thinking that yellow TLR on PNW was the one posted on CL with a salvage title for $2800. That guys name was Alex too. I offered him $2k but he passed.
              Last edited by Skrpnch; 07-03-2010, 11:17 PM.

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              • #8
                Re: Can a missing air box lid cause a loss in power?

                thats a good price, to bad you gotta fix someone elses mistakes but it'll be worth it when it's all done. He should part it out here and the zone, it'll go quick.

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                • #9
                  Re: Can a missing air box lid cause a loss in power?

                  Originally posted by Gravey86 View Post
                  thats a good price, to bad you gotta fix someone elses mistakes but it'll be worth it when it's all done. He should part it out here and the zone, it'll go quick.
                  Just fork seals, and a couple no dollar fixes in my garage. I did have D&S do a tune and oil but, that needs to be done with any new to owner bike. Looks like a lid and Im good to go. Total invested about $2700

                  If it is that salvage yellow tl. Its super clean!

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                  • #10
                    Re: Can a missing air box lid cause a loss in power?

                    Remember that fork seals or worn fork sliders are almost always due to improper assembly. Follow the instructions in the manual, and bounce the suspension severla times to center the fork leg on the axle beofre you tighten the last side's pinchbolts. I replace all that whenever I have forks apart, but I've never had a leaky seal or worn slider on any bike I've owned since new or after I've rebuilt. Some uppers get dinged, etc. so that's not always true, but usually both legs' sliders look worn, either on the sides toward each otehr or away from each other, which usually means a leg was not properly positioned on the front axle.
                    Last edited by cyclecamper; 07-04-2010, 02:11 AM.
                    It's about control skill; this is a motorized dance for joy and not Russian roulette.

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