Premium Member motomeek Posted January 30, 2015 Premium Member Share Posted January 30, 2015 Is the exhaust repack necessary on this exhaust? If so at what mileage?What is an exhaust repack?Here's straight from the Yoshimura website: "Dirty packing restricts airflow from your motor, which results in a loss of power and degradation of sound. Periodic inspections of your exhaust system should be performed to look for signs of packing wear. Signs of packing wear include muffler and/or end-cap discoloration, hot spots, louder exhaust note, and yellowing of the Carbon Fiber. Repacking your muffler allows for freer airflow from your motor, which restores lost power and improves the exhaust sound." Just like other parts, there's maintenance that needs to be done. For exhausts, this is it. Yoshimura offers you the option to have them do it for you. Or you can purchase the kit and do it yourself. You don't have to go to Yosh to get the repack kit. You can probably find it anywhere else. I just don't want to mess with fiber glass, so I get it done by them. I do it every 10K, it really just depends on how/where you ride that will determine how soon you'll need to replace it. Here's the video on how it's done: [video src=https://www.youtube.com/watch?v=DPalKe6nYIk] Instagram: @meekmade | You don't need to flat foot a bike to ride it. Link to comment Share on other sites More sharing options...
Guest August BB Posted February 1, 2015 Share Posted February 1, 2015 Yeah I'd wait until after 10k. I think I've read somewhere that they charge 30 dollars to repack it for you, and repack material cost for r77 is about 40 bucks. Plus two-way shipping I'm guessing it will set you back a bit less than 100 dollars total for repacking every 10k miles. Link to comment Share on other sites More sharing options...
jrubicon Posted February 1, 2015 Share Posted February 1, 2015 ordered the R77 today, cant wait to get em installed and run www.youtube.com/infinion3 Link to comment Share on other sites More sharing options...
ugly Posted February 2, 2015 Share Posted February 2, 2015 I got the Yoshimura Stainless Steel full system exhaust for my FZ 07. I am looking into getting the Dynojet Power Commander V w/ Ignition, but cannot seem to find any maps for my combination: Air-Filter: Stock Exhaust: Yoshimura SS full system -> No baffle / DB killer (does the baffle influence the mapping?) [such a complex combo! ] Have you guys come across PCV maps for Yoshis anywhere? I can't get the Auto-Tune kit now, or do a proper dyno run... Motomummy can put a map for my config if I order through them, but found out that they will find a similar config like for a Graves or Arrow exhaust, and upload that onto the PCV. Is that an OK solution for the time being? Thank you Link to comment Share on other sites More sharing options...
Premium Member crazycracka501 Posted February 2, 2015 Premium Member Share Posted February 2, 2015 I got the Yoshimura Stainless Steel full system exhaust for my FZ 07. I am looking into getting the Dynojet Power Commander V w/ Ignition, but cannot seem to find any maps for my combination: Air-Filter: Stock Exhaust: Yoshimura SS full system -> No baffle / DB killer (does the baffle influence the mapping?) [such a complex combo! ] Have you guys come across PCV maps for Yoshis anywhere? I can't get the Auto-Tune kit now, or do a proper dyno run... Motomummy can put a map for my config if I order through them, but found out that they will find a similar config like for a Graves or Arrow exhaust, and upload that onto the PCV. Is that an OK solution for the time being? Thank you Check with the guys at dobeck performance. Their EJK might have a map for you & Dillon is really good with response so you might have luck with them. Make it stop!....Now make it go faster! Link to comment Share on other sites More sharing options...
ugly Posted February 3, 2015 Share Posted February 3, 2015 I ordered the Power Commander V w/ Ignition from Revzilla this afternoon. I also spoke with a Dynojet person over the phone about their lack of Yoshi maps. He said it all depends on the Yoshi guys sending them stuff to work with, etc. Anyways, he said that I can start out with a map for Akra, and then switch it out when either a Yoshi map becomes available, or I do a dyno run. But all their maps are with the db killer in, and I did not install that on mine. For my purposes, I hope this will do. I am not a racer, just a little throttle happy sometimes! <- a 30yr old using smilies!!! I will get in touch with the Dobeck Performance guys and see if they can help me. I feel a little bad since I did not buy anything from them... Thank you Link to comment Share on other sites More sharing options...
fooschnickens Posted February 3, 2015 Share Posted February 3, 2015 I ordered the Power Commander V w/ Ignition from Revzilla this afternoon. I also spoke with a Dynojet person over the phone about their lack of Yoshi maps. He said it all depends on the Yoshi guys sending them stuff to work with, etc. Anyways, he said that I can start out with a map for Akra, and then switch it out when either a Yoshi map becomes available, or I do a dyno run. But all their maps are with the db killer in, and I did not install that on mine. For my purposes, I hope this will do. I am not a racer, just a little throttle happy sometimes! <- a 30yr old using smilies!!! I will get in touch with the Dobeck Performance guys and see if they can help me. I feel a little bad since I did not buy anything from them... Thank you Honestly, getting some dyno time in will be your best bet. I guess I'm kinda spoiled having a skilled PC tuner right in my backyard, but a solid tune done by a pro will beat out a preset base tune for a different application every time. Link to comment Share on other sites More sharing options...
moike90 Posted February 3, 2015 Share Posted February 3, 2015 Just bought the Carbon Yoshimura, will post pics when installed Link to comment Share on other sites More sharing options...
ugly Posted February 4, 2015 Share Posted February 4, 2015 I ordered the Power Commander V w/ Ignition from Revzilla this afternoon. I also spoke with a Dynojet person over the phone about their lack of Yoshi maps. He said it all depends on the Yoshi guys sending them stuff to work with, etc. Anyways, he said that I can start out with a map for Akra, and then switch it out when either a Yoshi map becomes available, or I do a dyno run. But all their maps are with the db killer in, and I did not install that on mine. For my purposes, I hope this will do. I am not a racer, just a little throttle happy sometimes! <- a 30yr old using smilies!!! I will get in touch with the Dobeck Performance guys and see if they can help me. I feel a little bad since I did not buy anything from them... Thank you Honestly, getting some dyno time in will be your best bet. I guess I'm kinda spoiled having a skilled PC tuner right in my backyard, but a solid tune done by a pro will beat out a preset base tune for a different application every time. I was going to do a dyno run done today, but the damn PCV hasn't been delivered yet! No! No! I'm dying from lack of tuning being done to my bike! SOS! SOS! Link to comment Share on other sites More sharing options...
fooschnickens Posted February 4, 2015 Share Posted February 4, 2015 Honestly, getting some dyno time in will be your best bet. I guess I'm kinda spoiled having a skilled PC tuner right in my backyard, but a solid tune done by a pro will beat out a preset base tune for a different application every time. I was going to do a dyno run done today, but the damn PCV hasn't been delivered yet! No! No! I'm dying from lack of tuning being done to my bike! SOS! SOS! The horror! Hope it gets in soon, the weekend is fast approaching! Link to comment Share on other sites More sharing options...
ugly Posted February 5, 2015 Share Posted February 5, 2015 I was going to do a dyno run done today, but the damn PCV hasn't been delivered yet! No! No! I'm dying from lack of tuning being done to my bike! SOS! SOS! The horror! Hope it gets in soon, the weekend is fast approaching! The damn thing finally got here, but now I have to wait till 10am tomorrow for the dyno run. Not sleeping in excitement makes for a very long night! Link to comment Share on other sites More sharing options...
jrubicon Posted February 6, 2015 Share Posted February 6, 2015 So im running with the insert on. This is louder than i expected BUT aboslolutely happy with it. really is lightweight, awesoem tone, i can be heard now. www.youtube.com/infinion3 Link to comment Share on other sites More sharing options...
jrubicon Posted February 7, 2015 Share Posted February 7, 2015 Any advice on what rear frame slider will be long enough to help protect aftermaket exhausts? www.youtube.com/infinion3 Link to comment Share on other sites More sharing options...
Guest whitegas Posted February 7, 2015 Share Posted February 7, 2015 Yeah, I don't think there is an option, I just figured if you ever drop the bike on the exhaust side with the Yoshimura on, you are screwed. Hopefully I'm wrong. Link to comment Share on other sites More sharing options...
zahir Posted February 10, 2015 Share Posted February 10, 2015 What's the gain in shelling out for a Power Commander when the Yoshi was specifically designed around the stock bike's state of tune..? My carbon system has been on for a week (insert in) and I see no need for any further tuning. Acceleration remains quick from idle, torque remains strong across the power curve and there's a small increase up top. No hint of backfire on decel - so I'm content to leave it as is. But yes, it's quite loud when you ramp up the gears, otherwise a pleasing drone. Link to comment Share on other sites More sharing options...
Premium Member ericpev Posted February 14, 2015 Premium Member Share Posted February 14, 2015 I'm so torn between stainless vs carbon on my white! Good problems Link to comment Share on other sites More sharing options...
JA50N Posted February 14, 2015 Share Posted February 14, 2015 First world problems, lol Link to comment Share on other sites More sharing options...
squintyeyes Posted February 14, 2015 Share Posted February 14, 2015 I'm so torn between stainless vs carbon on my white! Good problemsI Have the white with the carbon if you want to see a pic to help decide Link to comment Share on other sites More sharing options...
Premium Member ericpev Posted February 15, 2015 Premium Member Share Posted February 15, 2015 I'm so torn between stainless vs carbon on my white! Good problemsI Have the white with the carbon if you want to see a pic to help decide Won't say no to that! Let's see it Link to comment Share on other sites More sharing options...
pantheraleo Posted February 15, 2015 Share Posted February 15, 2015 I'm so torn between stainless vs carbon on my white! Good problems I just ordered mine. Stainless. I have a Yoshi on my GS 500, I love it...this should be even better. Good luck deciding, sir. O judgment! Thou art fled to brutish beasts, And men have lost their reason. Bear with me. My heart is in the coffin there with Caesar, And I must pause...till it come back to me. Link to comment Share on other sites More sharing options...
squintyeyes Posted February 15, 2015 Share Posted February 15, 2015 I Have the white with the carbon if you want to see a pic to help decide Won't say no to that! Let's see it W/ Full Carbon exhaust and ejk After Break in, Pipes turned gold Just a front pic Link to comment Share on other sites More sharing options...
Guest whitegas Posted February 15, 2015 Share Posted February 15, 2015 @squintyeyes nice color accents. But just a heads up, from what I can tell your seat might not be properly set on. Link to comment Share on other sites More sharing options...
zahir Posted February 15, 2015 Share Posted February 15, 2015 I have the carbon on my Red, and it complements the styling perfectly. However, carbon has a small maintenance penalty compared to stainless. Excessive heat can damage the exterior material, so repacking at say 10k miles is even more important than with stainless. Link to comment Share on other sites More sharing options...
squintyeyes Posted February 15, 2015 Share Posted February 15, 2015 @squintyeyes nice color accents. But just a heads up, from what I can tell your seat might not be properly set on.Thanks i appreciate it and how does it look not set on properly? Link to comment Share on other sites More sharing options...
fooschnickens Posted February 15, 2015 Share Posted February 15, 2015 @squintyeyes nice color accents. But just a heads up, from what I can tell your seat might not be properly set on.Thanks i appreciate it and how does it look not set on properly? I think he's talking about the gap between the seat and the bodywork. It looks like you didn't quite get that front "hook" in place when you latched in down and it's just sitting on top of it. Link to comment Share on other sites More sharing options...
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