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  1. #1
    eaglebusa's Avatar
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    l'm looking to gain better mileage results, without sacrifising power of course. i am currently getting between 12-15 Km/L (28-35 mpg) i think i should be able to do better than that.
    I recently installed a power commander, which DID give me a little bit of a gain, but not much.

    Any other tips?

    Thanks in advance!

  2. #2
    Wag
    Wag is offline
    Evil Demon Busa Rider
    Wag's Avatar
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    From everything I've ever heard, the stock CR9E's are the best for a stock motor.

    --Wag--
    "Morality is doing what is right no matter what you are told. Religion is doing what you are told no matter what is right. " -- Unknown

  3. #3
    Hayabusa Immortal

    solarbarack's Avatar
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    NGK IX iridium part #3521. The old part # is CR9EIX. These are the best plugs for the busa in my opinion. Some will argue it isn't worth the money for them though. I think they where like 4 to 6 dollars a piece at autozone.
    '07 Busa.
    Just a few mods.

  4. #4
    Top Gun TurboSN95's Avatar
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    I run the Iridiums, I noticed the bike likes to start a little easier. Plus they will outlast the stock style plug, well worth the $20 in my book.
    Dan L.
    2008 Busa

  5. #5
    Hayabusa Immortal

    Commuta_Busa's Avatar
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    use less throttle, keep your revs low, loose weight, do whatever you want to reduce frictional losses, lower CdA.
    2009 Super Streetbike's Top Speed Challenge Winner
    Unlimited naturally aspirated class

  6. #6
    Hayabusa Master
    jch364's Avatar
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    I just use stock. have for 30k miles now. never used the irridium plugs. seems too expensive considering how often the manual says to change them.
    06 busa red/black,alien head,ecu editor
    1397 kit
    air shifter,shift light

  7. #7
    Hayabusa Immortal
    rubber2burn's Avatar
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    Any of the NGK series are good plugs to use it really just depend on the kind of money you want to spend
    Ask me about: RoadLoK


    <------- I Hate this Guy

  8. #8
    Michelle owns my Busa


    omslaw's Avatar
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    I've used both the NGK plugs; the OEM and the Iridium. One thing I did notice with the Iridium plugs, is that my fuel economy dropped. Went back to the OEM and MPG went back up. FWIW...just my
    '04 Blue/Silver

  9. #9
    Hayabusa Immortal
    rubber2burn's Avatar
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    Quote Originally Posted by omslaw @ Jun. 05 2008, 6:09 AM
    I've used both the NGK plugs; the OEM and the Iridium. *One thing I did notice with the Iridium plugs, is that my fuel economy dropped. *Went back to the OEM and MPG went back up. *FWIW...just my
    I thought the OEM Plugs were NGK's?
    Ask me about: RoadLoK


    <------- I Hate this Guy

  10. #10
    Michelle owns my Busa


    omslaw's Avatar
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    Quote Originally Posted by rubber2burn @ Jun. 05 2008, 8:12 AM
    Quote Originally Posted by omslaw @ Jun. 05 2008, 6:09 AM
    I've used both the NGK plugs; the OEM and the Iridium. One thing I did notice with the Iridium plugs, is that my fuel economy dropped. Went back to the OEM and MPG went back up. FWIW...just my
    I thought the OEM Plugs were NGK's?
    They are.

    I was trying to say that my fuel economy dropped when I switched to the NGK CR9EIX (Iridium). When I went back to the NGK CR9E (OEM), fuel economy went back up.
    '04 Blue/Silver

  11. #11
    Professional Pilot shean1's Avatar
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    Upshift as soon as reasonably possible, try to get up into 3,4,5,6 gears ASAP.
    Also, when coming to stop signs or traffice lights try not to down shift were it requires higher revs, to keep from locking the rear wheel...

    No full race downshifts....
    Shean

    2003 Hayabusa Silver and Grey
    Yoshi RS3 Carbon Fiber Bolt ons
    Throttlemeister Cruise Control
    Stop and Go, under seat flat repair kit.
    TRE

  12. #12
    Michelle owns my Busa


    omslaw's Avatar
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    Hmmm - I usually downshift... I like hearing the sound of the exhaust
    '04 Blue/Silver

  13. #13
    Seasoned Pilot

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    Get your power commander tuned for your bike and explain to the tuner that you'd like better fuel economy in cruising areas.

  14. #14

    mountainmotor's Avatar
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    Quote Originally Posted by eaglebusa @ Jun. 04 2008, 7:07 PM
    l'm looking to gain better mileage results, without sacrifising power of course. i am currently getting between 12-15 Km/L (28-35 mpg) *i think i should be able to do better than that.
    *I recently installed a power commander, which DID give me a little bit of a gain, but not much.

    Any other tips?

    Thanks in advance!
    Stock plugs .

    If thats all the MPG you can get at steady state hi-way cruise then check air-filter , reset the TPS through the PC software , resend the map in max resolution then start trimming the table numbers at throttle position and RPM you cruise at. If it's a hi-miler check valve clearance and run a double dose of Techron though the tank .

    I have modified 200RWHP engine that gets over 50mpg in the cruise RPM range , 6th gear . Stock engines in excellent tune can do it as well .

  15. #15
    Seasoned Pilot big coop's Avatar
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    NGK CR9ek Dual Electrodes.
    BigCoop

  16. #16
    Hayabusa Immortal
    Vic_E55_2001's Avatar
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    Quote Originally Posted by omslaw @ Jun. 05 2008, 6:14 AM
    Quote Originally Posted by rubber2burn @ Jun. 05 2008, 8:12 AM
    Quote Originally Posted by omslaw @ Jun. 05 2008, 6:09 AM
    I've used both the NGK plugs; the OEM and the Iridium. One thing I did notice with the Iridium plugs, is that my fuel economy dropped. Went back to the OEM and MPG went back up. FWIW...just my
    I thought the OEM Plugs were NGK's?
    They are.

    I was trying to say that my fuel economy dropped when I switched to the NGK CR9EIX (Iridium). When I went back to the NGK CR9E (OEM), fuel economy went back up.
    are you sure you not running on 3 cylinder because you forgot to secure 4th wire when you changed your plugs?

    there is no way your mileage dropped just because you installed IR plugs.

  17. #17
    Hayabusa Immortal bigoltool's Avatar
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    If you are looking to get significantly better mileage from a set of plugs look elsewhere. Synthetic Lubricants are a no brainer, Aftermarket air filter, Synch throttel bodies, proper tire inflation, chain tension etc. Take care of the fundamentals before you go to extremes.

  18. #18

    Powers739's Avatar
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    2006 Burg/Black

    If you love your bike, set it free. If it comes back to you---you probably highsided!!

  19. #19

    Powers739's Avatar
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    2006 Burg/Black

    If you love your bike, set it free. If it comes back to you---you probably highsided!!

  20. #20
    Top Gun
    071300r's Avatar
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    shift at 4000 rpm and you will see 42 mpg (with a k-n and a modded air box and yosh slip ons and a double bubble and pair valve removed with stock plugs)

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