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2004 Kawasaki NINJA ZX-6R 636 Motorcycle reviews

4.9 (41 reviews)
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Reliability
5.0
Overall quality
5.0
Performance
5.0
Comfort
3.9

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41 ratings and reviews

Voted most helpful review

Patrick

California

Reviewed on October 26, 2021

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

4.3
03/04 kawasaki 636... looks, power and it completes me♥️. My favorite bone stock or fully set up to stunt or just enjoy two wheels and the open air. I prefer fully adjustable clip on's so I can push them forward and move them up about 2 inches over stock heigh. For street gearing, I like a 50 tooth r... read more
03/04 kawasaki 636... looks, power and it completes me♥️. My favorite bone stock or fully set up to stunt or just enjoy two wheels and the open air. I prefer fully adjustable clip on's so I can push them forward and move them up about 2 inches over stock heigh. For street gearing, I like a 50 tooth rear sprocket,stock front and if it's a dedicated lot bike 60 rear 15 front (stock.) They like to run hot so a 13 radiator for added capacity and two R-6 fans for more air flow. One fan coming on at the stock 216°F, the other on a switch I'll throw on if it creeps above 220°. Which it often does. Stunt piece definitely a handbrake. 13mm if it's a magura master 16 if it's a Brembo with a Hohey double caliper bracket. Stock foot brake and nissin 4 piston for the handbrake. RSC easy pull 2 finger clutch lever and gotta have the stealth stay front fairing stay and metal wind screen. I've had graveyard custom tanks before but a hand made hammer myself dent with HT moto is easier for me to transition from tank to sitdown or highchair from 50/50 and out side saddle with confidence. I've got one 04 bone stock extra pristine with 1,100 original miles in orange. Not a scratch and I just changed out the stock Bridgestone rubber that came with it. Then, my '04 stunt piece that's almost as clean fully built with 15k. Second motor as I hydro locked the original because of long, tall wheelies and rev limiter coasters with no kleen air mod. Bike was smoking like crazy and the airbox was full of oil. That oil then finds it's way into the #1 cylinder and bogged down the motor eventually shutting it off and filling the hole full of oil. Since it wasnt high in the RPM's it didnt break internals just bent the #1
Reliability
4.0
Quality
5.0
Performance
5.0
Comfort
3.0
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Voted most helpful review

greg kerr

cumberland, Maryland

Reviewed on June 29, 2009

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
I got the bike a year ago with 20,000. Yes, 20000 miles on it and it now has 28xxx miles no problems. Still smokes the new GSXR and runs all over the CBR f4i's. The bike burns no oil and I have never had a problem with it. Had it going about 160mph and scared the crap out of me. Wheelies like a champ all the ... read more
I got the bike a year ago with 20,000. Yes, 20000 miles on it and it now has 28xxx miles no problems. Still smokes the new GSXR and runs all over the CBR f4i's. The bike burns no oil and I have never had a problem with it. Had it going about 160mph and scared the crap out of me. Wheelies like a champ all the way up to 100mph. I had a 2001 R6 and on the R6 the plastic didn't fit together good and it was a snail compared to my ZX6. The ZX6 plastic fits together like a glove. Comfort isn't too bad. I went on a 12 hour trip and only stopped for gas once and it wasn't too bad on the back.
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
4.0
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Voted most helpful review

blake johnson

berkshires, Massachusetts

Reviewed on February 21, 2009

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
I purchased the bike in spring of 08. Being a very tall person is always a concern when I get on a motorcycle. I have tried all different makes and models, but this bike is the only one that accommodates me (in this class). It has fantastic power and control through all types of corners and riding. Kawasaki d... read more
I purchased the bike in spring of 08. Being a very tall person is always a concern when I get on a motorcycle. I have tried all different makes and models, but this bike is the only one that accommodates me (in this class). It has fantastic power and control through all types of corners and riding. Kawasaki did everything perfectly when they made this machine.
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
5.0
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Bravado

Savannah, Georgia

Reviewed on September 11, 2007

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
Kawasaki is selling guns out of the back room of the candy store. This screamer accomplishes the perfect balance of power and precision. What a motor! Exceptional braking power. Add a Corbin saddle and a cruise control for steroid induced sport tour duty. Not sure why Kawasaki dropped the Cheater from it's li... read more
Kawasaki is selling guns out of the back room of the candy store. This screamer accomplishes the perfect balance of power and precision. What a motor! Exceptional braking power. Add a Corbin saddle and a cruise control for steroid induced sport tour duty. Not sure why Kawasaki dropped the Cheater from it's lineup. Why fold your Aces? Found one bone stock with 4,500 miles on the clock. SWEET!
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
3.0
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Mark

Buffalo, New York

Reviewed on May 24, 2006

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
I am a pretty tall person at 6'2", this bike is great. Super comfortable and very fast. Handles like a dream in the corners and you have the option to bring up the front end coming out of corners. The only real downfall I can find is the passanger seat. I ride a passanger every once in a while and it is ... read more
I am a pretty tall person at 6'2", this bike is great. Super comfortable and very fast. Handles like a dream in the corners and you have the option to bring up the front end coming out of corners. The only real downfall I can find is the passanger seat. I ride a passanger every once in a while and it is not to cunfy for them. Overall a GREAT bike and I am happy I purchased it.
Reliability
5.0
Quality
4.0
Performance
5.0
Comfort
5.0
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Voted most helpful review

Mike

Egg Harbor, New Jersey

Reviewed on December 18, 2005

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

4.0
Let me start by saying my first bike was a 95 Ninja 600r, then this became my second bike, which I picked up in June 2005 used with 4500 miles on it. All I can say is the power on this bike is very impressive, good low end, then around 9000 RPM you start to hear more engine growl and pull, and by 12000 RPM,... read more
Let me start by saying my first bike was a 95 Ninja 600r, then this became my second bike, which I picked up in June 2005 used with 4500 miles on it. All I can say is the power on this bike is very impressive, good low end, then around 9000 RPM you start to hear more engine growl and pull, and by 12000 RPM, she is blasting off to the 15,500 redline. Handling is great, feels planted around turns and my only problem is the fact the 04 636's are known to have rough suspensions stock but overall it is awesome and the bike is lightweight to start with great flick ability. My only honest complaint with this bike is the seat, it is designed so your crotch is up against the tank, add in the rough suspension then, you see where this is going. If you want a great reliable bike with great power and awesome looks, then give the 636 a shot on your next bike purchase.
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
3.0
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Aaron

San Francisco, California

Reviewed on October 11, 2005

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
This thing can move! I've only had it for a week and I must say it is the most exhilarating experience whenever I step onto it. You can really feel the extra cc's on this bike, it feels almost like a 750 but it handles like a 600. This definitely is the best bang for your buck. I would not be happier with... read more
This thing can move! I've only had it for a week and I must say it is the most exhilarating experience whenever I step onto it. You can really feel the extra cc's on this bike, it feels almost like a 750 but it handles like a 600. This definitely is the best bang for your buck. I would not be happier with any other 600cc sportbike.
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
5.0
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Jaeson Reese

San Antonio, Texas

Reviewed on January 11, 2005

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

4.0
I bought my bike in March '04 and the only thing that I changed is the front sprocket (14 tooth) and there is not a 600 out there that can keep up. I can out run most other bikes on the street. With the exception of an extremely low top end (158.5 - 160 actual), top speed is my main gripe with this bike. ... read more
I bought my bike in March '04 and the only thing that I changed is the front sprocket (14 tooth) and there is not a 600 out there that can keep up. I can out run most other bikes on the street. With the exception of an extremely low top end (158.5 - 160 actual), top speed is my main gripe with this bike. You eventually get used to the riding position and the suspension stiffness.
Reliability
5.0
Quality
4.0
Performance
5.0
Comfort
3.0
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Hector E. Marietti

Kissimmee, Florida

Reviewed on December 11, 2004

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
When it comes to the 600 class, nothing beats the green team. My friends call my ZX-6R 2004 "HULK" because after the break in period the beast within my bike was revealed. No R6 or GSXR [600 or 750] could keep up with me. Sorry if your ride does not have the letters ZX-6R on the side. You better sta... read more
When it comes to the 600 class, nothing beats the green team. My friends call my ZX-6R 2004 "HULK" because after the break in period the beast within my bike was revealed. No R6 or GSXR [600 or 750] could keep up with me. Sorry if your ride does not have the letters ZX-6R on the side. You better stay away or "HULK" might smoke you.
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
5.0
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TheSilverBullet

Central, New Jersey

Reviewed on October 27, 2004

Motorcycle reviewed 2004 Kawasaki NINJA ZX-6R 636 view listing

5.0
It is an awesome stoppie bike. The first gear roll on wheelies are strong on this bike. It is an all around track, race, and stunt bike. A Must Buy!... read more
It is an awesome stoppie bike. The first gear roll on wheelies are strong on this bike. It is an all around track, race, and stunt bike. A Must Buy!
Reliability
5.0
Quality
5.0
Performance
5.0
Comfort
3.0
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