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jetting database

This is a discussion on jetting database within the ZR-7 Performance Upgrades forums, part of the Kawasaki ZR-7 category; Originally Posted by zlMark Here is some specs and a dyno shot. This is from my friend Adams bike, thought you all would enjoy the ...

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  1. #31
    SPAM Cop Persimmon_Seven's Avatar
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    Quote Originally Posted by zlMark
    Here is some specs and a dyno shot. This is from my friend Adams bike, thought you all would enjoy the info. Please comment

    WOW. over 20 HP difference from base run to jetted.
    2000 ZR-7 w/26k - K.I.A.
    2001 ZR-7S w/89k - K.I.A.
    2001 KLR650 w/47k

  2. #32
    Up-And Comer motosparky's Avatar
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    Exhaust: Full Ti Muzzy
    Airbox: 20 3/8 inch holes, per Ivans instructions
    Air Filter: Stock with snorkel
    Jet Kit: Ivans
    Main Jets: 105
    Pilot Jets: 35
    Clip Position: #1 One shim below, 2 above
    Elevation: 3000 +

    Runs like a raped ape at everything above dead stop.
    Not only did the vibrations subside, it dropped 20 + lbs over stock with the pipe, header and eliminating the guards (no option there)
    I also tossed the headlight assembly and went to a scorpion dual sport carbon fiber unit. Not the prettiest thing but much brighter and lighter.
    2000 ZR7
    Full Muzzy W / Ti Can
    Ivans jet kit
    Fender eliminator
    Performance dual headlight kit
    17 tooth front sprocket
    170 rear
    Hyperpro fork springs
    Scott's custom built shock
    FactoryPro Ignition Advance Rotor
    http://i61.photobucket.com/albums/h4...2/IMG_1095.jpg

  3. #33
    Newbie white88's Avatar
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    Exhaust: Full Muzzy, Carbon Fibre
    Ivans Jet Kit
    Stock Air Filter
    Mod Air Box Per Ivan's instructions 20 3/8 in holes
    Stock Pilot Jet
    105 Main Jet (Ivan's Kit)
    Mixture Screw 2 turns out
    Elevation around 900 Ft.
    I Live in the Atlanta Area.

    It runs smooth as glass. Still has a little buzz in the faring, but with the Full Muzzy and Full Face Helmet I don't here the buzz.

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  5. #34
    Site Elder graeme.medley's Avatar
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    2000 ZR7

    Exhaust:..................FUEL oval s/s
    modified airbox..........White sleeve and foam removed
    Air Filter:..................K&N
    Pilot Jet:..................Std
    Main Jet:..................Std
    Shim / or clip............However the factory left it
    Idle screws:.............2 and a half turns out
    Jet ket:...................Std, but Ivan's Kit waiting to be fitted
    elevation:................Sea level to 500ft


    As others have reported, the less restrictive exhaust has eliminated any vibrations at 5,000RPM. The exhaust also lets the engine rev easier, and frees up a couple of BHP and ft/lbs of torque.
    Last edited by graeme.medley; 03-17-08 at 03:55 PM.

    ZR7OA member #759
    1999 ZR-7 New Candy Wine

    Ignition advancer, Hugger, Braided steel brake lines, Progressive fork springs, FUEL end can, Fenda-extenda, Scotoiler Mk7 with HCR, K&N Filter, LED Rear Lights, Fuel gauge mod, GIVI rack plate and boxes:

  6. #35
    Rising Star isis's Avatar
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    Quote Originally Posted by isis View Post
    Exhaust: Jardine Street Slipon & fiberglass wrapped stock headers
    modified airbox: Deleted
    Air Filter: Indvidual Pod Filters
    Pilot Jet: 35's
    Idle screws: 2.5 turns out
    Main Jet: 135
    Needles: 2mm shim on stock needles; Needles have been re-tapered
    elevation (if you know it) 900 ft
    4* Ignition Advance Plate
    45+ mpg now. Runs great in cold and hot weather. After lowering the needles (should have thought about that after re-tapering them) the bog on takeoff is gone now.
    Last edited by isis; 06-25-09 at 08:08 AM.
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  7. #36
    Newbie Neui01's Avatar
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    Exhaust: Jardine RT1
    Air filter: K&N
    Air box: foam silencer removed
    All standard jetting.
    Idle screw not touched
    Altitude: 1000m

    Carbies balanced, biked dynoed, mixtures fine, 91hp up from standard 76hp.

    http://au.youtube.com/watch?v=EoTDQBThEjo

  8. #37
    nml
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    2003 model ZR7.
    Exhaust: Scorpion road/race (baffle removed).
    Modified airbox: 20 x 10mm holes (as per Ivan), snorkel removed.
    K&N filter: fitted.
    Pilot jets: #35 (standard).
    Main jets: #108 (standard).
    Shim/clip: middle groove (third - as per Ivan).
    Jet kit: Ivan's (needles only).
    Elevation: not known.
    Mixture set at 2 and a 1/4 turns out, Factory Pro ignition advance.
    Fitting only the needles meant no need to remove carbs from bike.
    It runs so much better than standard, smoother and stronger.

  9. #38
    Newbie darkember's Avatar
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    Fuel injected models

    Ok read all these posts & they refer to the pre 2003 bikes using carbs. From 2003 onwards the ZR changed to using fuel injection systems. Are there any enhancements that can be done to these machines. If so could a new thread be started in this area??

  10. #39
    Rising Star locojim's Avatar
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    Quote Originally Posted by darkember View Post
    Ok read all these posts & they refer to the pre 2003 bikes using carbs. From 2003 onwards the ZR changed to using fuel injection systems. Are there any enhancements that can be done to these machines. If so could a new thread be started in this area??
    Are you sure about that.
    I think you may be referring to the zr750,a totally dif. bike.

  11. #40
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    Yes, all years of ZR-7(S) were carbed and , as refered, the Z750 (little brother to the Z1000) is injected.
    ZR-7OA #110
    This map is informational only. No representation is made or warranty given as to its content or usability. User assumes all risk of use.

  12. #41
    Newbie darkember's Avatar
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    Quote Originally Posted by locojim View Post
    Are you sure about that.
    I think you may be referring to the zr750,a totally dif. bike.
    The bikes are all ZR's just after 2003 the the motor was changed to liquid cooled & fuel injected. Also its cubic capacity was increased from 738cc to 748cc.

    I know its totally different, all I am after is there any tinkering that can be done to them as can be done to the carbed varients?
    Last edited by darkember; 09-20-09 at 06:14 AM. Reason: update

  13. #42
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    As far as mapping, I don't know of anyone that's put together any spread sheets ot gathered a lot of info in one spot for the Z750.
    ZR-7OA #110
    This map is informational only. No representation is made or warranty given as to its content or usability. User assumes all risk of use.

  14. #43
    Johnny Blue Lightnin'
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    I think The Z750 is actually a ZR750 by the VIN but it is a totally different animal. Just like the Z1000 is a ZR1000. Check out the Z1000/Z750 section.



    http://www.RiderForums.com/z1k-z750-performance-upgrades/
    Jon

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  15. #44
    Newbie wildBill's Avatar
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    Exhaust......stock , drilled last plate in baffle (ran a yosh before but tired of the noise)
    modified airbox.... 2 - 1/2" holes right above the downdraft ducts
    K&N filter.....no, stock oiled with fogging oil, greased lip
    Pilot Jet..... stock dials in fine
    Main Jet..... 108, or smaller
    Shim / or clip.... stock needle no shims, polished straight section down .001"
    Jet kit..... this bike doesn't need it
    elevation (if you know it)... sea level to 4k

    Any other suggestions ; reducing the straight portion of the needle fixes what everyone tries to fix with shims and bigger pilots (surge and stumble) 108 main with the 2- 1/2 holes makes more power on top, BUT, the stock box with the main sized stock or a little leaner gives a little more punch in midrange like coming out of a corner probably a better setup for most real world riding. The stock main is sized a bit rich on purpose, safety for the rider that holds it wide open from barstow to vegas on a cool morning. Fuel screw setting dials in fine with the stock pilot, 1 3/4 - 2 1/2 being typical. Trying to cover for the lean needle diameter with fuel screw just make for a rich idle mix.
    Last edited by wildBill; 09-16-11 at 10:12 AM.

  16. #45
    Up-And Comer KawRider00's Avatar
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    hey guys its prolly stupid to do it but i took the stock muffler off and i really like the sound and was thinking of keeping it off what jetting would u guys recommend doing

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