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zr-7s converted to zr-7

This is a discussion on zr-7s converted to zr-7 within the ZR-7 Performance Upgrades forums, part of the Kawasaki ZR-7 category; Thanks! I'll give it a shot and let you know....

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Thread: zr-7s converted to zr-7

  1. #31
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    Thanks! I'll give it a shot and let you know.
    ZR7OA Member #148

  2. #32
    Maintenance Overlord graeme gould's Avatar
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    Rather than cut the harness, maybe you could put a plug into the original harness socket and then used the wiring as required.

    gg likes your wiring diagrams and diode mod. not that he has tried to trace them out.

    gg@bb, ava good day
    Graeme Gould at Byron Bay the most Easterly part of Australia

  3. #33
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    Good idea GG
    ZR7OA Member #148

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  5. #34
    Up-And Comer efjaxx's Avatar
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    Quote Originally Posted by 88bomber View Post
    here are some closeups...

    the scratches on the turn signal is from a..uh..um...prior incident
    THAT'S A GREAT LOOK. IN THAT I RECENTLY CRASHED (2 MARCH) MY '00 ZR-7, I WAS LOOKING TO DO A SIMILAR MOD. DO YOU HAVE PART NUMBERS FOR ALL COMPONENTS OF THIS MOD? ALSO LOOKING FOR A REPLACEMENT TANK, AND GAUGES.
    ZR7OA #533
    HYPER-LITES, CLEAR LED TURN SIGNALS, DIY SEAT LOWERING MOD, CASE GUARDS, UNGO ALARM, GOODRIDGE SS LINES, MIRROR EXTENDERS/MIRRORS, ZRX HANDLE BAR & RISERS, TWO TONE SMOKE/ FLAT BLACK PAINT, K&N FILTER, EGR-ECTOMY, & COLT .380

  6. #35
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    wiring diagram updated!

    I updated the wiring diagrams posted earlier in this thread...just posting to make sure that anyone who wants to use this diagram is aware...here is the reason for the update...

    !!!UPDATE!!!
    I updated the diagram and added the blue stuff. Basically, I added 2 diodes to act as "quenching diodes". When a relay disengages, the inductor in the relay still has a magnetic charge and it tries to release that energy by producing a voltage in the opposite direction...very large voltage (up to 200v sometimes), but very small current. That voltage spike can damage transistors, LEDs, and other semiconductors on the same circuit. In stock trim, I don't think the ZR7(s) has any circuitry that would be affected, BUT if you use aftermarket gauges (acewell, koso, etc), then you might blow an LED without these diodes. Some relays have this protection circuit built in and others don't...you can tell if it is built in if the control circuit leads (86 & 85) have a positive and negative designation...the ones I used do not have the diodes built in. You can use the 1N4148 diodes, but other rectifier diodes will work as well. The 1N4148 you can get at radio shack in a small pack of 12 or so for about $2. Again, you don't HAVE to do this, but if you have any modern electronics on the bike's system, beware.

  7. #36
    Newbie Grimith's Avatar
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    I really like what you did with your bike. I just got a ZR-7s and I'm looking to do the same type of mod any advice?

  8. #37
    Supreme Being sh0rtlife's Avatar
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    Quote Originally Posted by Grimith View Post
    I really like what you did with your bike. I just got a ZR-7s and I'm looking to do the same type of mod any advice?
    i doubt youll get much more info from a 7 year old thread

  9. #38
    Rising Star 88bomber's Avatar
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    I'm still around and still have the bike. Here is the latest pic.

    headlights: aztek8.com
    If it had it to do over, I *might* choose the single 7" light, because 2 55w lights has a noticeable impact on the battery, but keep it charged between rides and it'll be fine. Mostly a preference thing I guess.
    I would also probably get the LED turns at the same time, I ended up adding some later (on the front at least). The OEM ones look bad IMO with this setup.
    You can also get the relay kit from Home if you don't want to build your own. This is an optional step, but highly recommended for brighter lights.

    Mirrors:
    aprilia Tuono mirrors. Part #AP8104921 RH mirror, and #AP8104922 LH mirror.
    I tried the CRG barend mirrors and did not like them. Mostly due to increased vibes since you have to ditch the OEM barends.

    Gauges:
    Acewell 3962 is what I used.
    If you aren't intimidated and have some electrical know how, you can do this, but this is definitely the hardest part.
    Tracing the wires and getting it hooked up wasn't too bad if you know how to use a multimeter.
    Make SURE you understand the part about the quenching diode (explained in this thread) if you use gauges with LEDs!!
    There are also some glare issues riding in the sun at certain angles, but this really hasn't been an issue for me.
    There are other guages out there, so some searching.

    IMO, the best bet is to find some ZR7 guages on ebay or something and try them...I don't think they use LEDs, so you don't have to worry about adding a diode for protection. I think they look better too.

    Its not TOO bad, but if you don't enjoy this sort of work, I'd get someone else to help you OR if you have $, just buy another bike...there are tons of nakeds on the market now with FI, more power, less weight, etc.

    Good luck.
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    Last edited by 88bomber; 04-20-15 at 08:18 AM.

  10. #39
    Newbie slikwilly13's Avatar
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    Hello everyone. I know this is an old thread, but I figured it was the most related place to ask my question. I want to convert my ZR-7s to a ZR-7 and I'm having a hard time finding ZR-7 gauges that don't cost $250+. I'm wondering if I could use gauges from a different Kawasaki street bike (around the same year and size) instead as I seem to be able to find those more readily and a lot cheaper. Thanks

  11. #40
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    You can use aftermarket round gauges and headlight. It's been done before. You may be able to still find some of the old pictures around.
    ZR-7OA #110
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  12. #41
    Supreme Being sh0rtlife's Avatar
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    there was a thread very recently on this exact subject with pics and details

  13. #42
    Rising Star MagicMexican's Avatar
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    I did this just a few weeks, and ended up going with these chinese gauges Speedometer Tachometer Gauge for Kawasaki ZRX400 ZRX750 ZRX1100 95 08 1995 2008 | eBay
    They work, I guess, but they are kinda crappy. They are in km/h, the rpms are inaccurate, and the turn signal/neutral/hi beam aren't very bright in the daytime. Not to mention they use crappy materials. In mine, after one ride, the trip meter fell off the faceplate and into the rest of the gauge. When I took it apart, I ended up up breaking the speedometer entirely. I blame this on a combination of my fat fingers and their cheap plastic. But they're better than nothing, and they do fit, plug and play, and look ok. You might get lucky and get one that works better.

    Just a few days ago I saw a used set of gauges for $100, and bought those. So, I guess I did end up paying $200 after all.
    slikwilly13 likes this.

  14. #43
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    Haha!! You're the one that bought the used gauges for $100!? I was watching that auction on eBay and planned to bid but missed it while at work. Thanks for the tips. I'll prolly wait for another used ZR-7 gauge to pop up on eBay. How'd you mount the gauges to your bike? The guy that sold you the gauges said he was gonna sell the mount separately. I figure a guy could make his own rather easy.

  15. #44
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    Quote Originally Posted by MagicMexican View Post
    I did this just a few weeks, and ended up going with these chinese gauges Speedometer Tachometer Gauge for Kawasaki ZRX400 ZRX750 ZRX1100 95 08 1995 2008 | eBay
    They work, I guess, but they are kinda crappy. They are in km/h, the rpms are inaccurate, and the turn signal/neutral/hi beam aren't very bright in the daytime. Not to mention they use crappy materials. In mine, after one ride, the trip meter fell off the faceplate and into the rest of the gauge. When I took it apart, I ended up up breaking the speedometer entirely. I blame this on a combination of my fat fingers and their cheap plastic. But they're better than nothing, and they do fit, plug and play, and look ok. You might get lucky and get one that works better.

    Just a few days ago I saw a used set of gauges for $100, and bought those. So, I guess I did end up paying $200 after all.
    So could a guy assume that all of those Kawasaki models listed in the China gauges you bought have the same plug and play gauges? Is the speedometer gear driven?

  16. #45
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    Quote Originally Posted by slikwilly13 View Post
    So could a guy assume that all of those Kawasaki models listed in the China gauges you bought have the same plug and play gauges? Is the speedometer gear driven?
    I wouldn't assume they are plug and play - unless you mean you have to play with the wires in the plug to see what works.
    2004 Kawasaki ZR-7S
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