Last updated on November 30th, 2019
The following is a non-exhaustive, yet unfinished Kawasaki Ninja 650 parts compatibility list. That is, it is a list of models which share a degree of compatibility with the new 2017+ Kawasaki Ninja 650.
Though this model is new for 2017 – and a major redesign on the previous version of the infamous Ninja 650 – there are still many major and minor accessories that will directly bolt-on. At least from previous models from the Kawasaki family. I can’t make any guarantees about compatibility, but it is an excellent starting point when looking for more options when it comes to replacements and upgrades.
Also, if you want to check out what parts I decided to install on my 2017 Kawasaki Ninja 650, check out my mods list. I’ve definitely put a not-insignificant amount of time and money into my bike, so I can absolutely make a few recommendations.
The Ninja 650 is almost fully compatible with the Z650
In this case, the best compatibility will be found with the 2017+ Kawasaki Z650. For whatever reason it seems to have found a far superior reception in the aftermarket parts market thanks to its international popularity. Regardless of the reason, this is certainly a very welcome fact for N650 owners. Just about everything on here regarding Kawasaki Ninja 650 parts compatibility goes for the Z650.
The Z650 is the Naked version of the Ninja 650 so, as expected, compatibility is perfect for a majority of parts. If it looks like it fits, it probably does. To find the best prices and selection of accessories, an Ebay search for Z650 parts is the best place to start these days.
Just keep in mind that some parts are blatantly not compatible. Mostly it’s handlebar, dash or fairing related. In other words things inherent to the Naked design. But everything else should fit. Especially engine or electrical related.
If you know of any other models with bolt-on compatibility, or any errors or suggestions to add, please leave them in the comments below.
2017+ Kawasaki Ninja 650 Parts Compatibility List
Prime Suspects to Check for Compatibility
The following models are national and international models with which there will be some degree of bolt-on compatibility between bikes, depending on the part. Keep in mind that some models aren’t really models as much as they are names that certain vendors will use out of ignorance.
- 2012-2016 Kawasaki Ninja 650 ABS – The 2017 model was a major redesign. Many minor parts are shared with this previous version, but don’t assume compatibility. A majority of parts were changed and are not compatible. It is still worth checking for some accessories, of course.
- 2017 Kawasaki Z650 – This is the naked version of the 2017 Kawasaki Ninja 650. Many common parts fit from this model, and the engine is presumed to be identical. That includes the fender eliminators, rear sets, and a wide variety of other parts.
- 2017 Kawasaki Z800 – Engine parts from this bike do not fit for the most part. However, some smaller parts and accessories will be perfectly compatible. Just make sure to check them individually.
- 2017 Kawasaki Z900 – As you might expect, engine parts from this model do not fit, for the most part. However, some smaller parts and accessories will be perfectly compatible, checked individually.
- 2018 Kawasaki Ninja 400 – It’s still soon to speak, but I expect that this model will also share a great deal of parts with its bigger brother.
- Kawasaki ER-6N – This is the overseas naked version of the Ninja 650. Some parts may fit, although exact degree of compatibility is undetermined.
- Kawasaki ER-6F – This is the overseas version with fairings. Similar if not identical to the previous Kawasaki Ninja 650 ABS. Keep in mind that some sellers will keep calling the 2017 Kawasaki Ninja 650 a “2017 ER-6F”.
- Kawasaki Ninja 650R – Ninja 650R is another name for the 2012-2016 Kawasaki Ninja 650 model, however the exact differences are unknown. In many cases it is simply a misnomer by the vendor.
- Kawasaki ER650 – I’m not sure if this is the correct model number, but some sellers use it, and some online information supports that it is some type of international version of this model.
Note – ER-6n stands for Naked, whereas ER-6F stands for Fairings.
Parts with Known Compatibility
- 8mm x 1.25mm Rear Stand Spools – Any rear spools with this thread are compatible. Feel free to disregard the motorcycle model it is advertised for.
- M20x2.5mm Oil Filler Caps – This is not the most typical thread size, so double-check the listing to make sure it fits.
- It is compatible with 2017 Kawasaki Z650 Radiator Cover, as expected.
- Keys from Kawasaki 1400, ZX-10r, ZX-6r, ZZR1400, and Ninja ZX-14 seems to be compatible. However this bike is a bit finicky with key compatibility. You’ll have to double-check that the key is the correct length. Keep in mind that sellers frequently ship the wrong part.
- The connector for the license plate light is the “”2pin Sumitomo motorcycle connector 6030-2981 6040-2111″. It’s a 2 way connector with .250 pins”.
- The Turn Signal Flasher Relay has an odd connector, but Motodynamic sells a compatible plug: “Motodynamic LED Flasher Relay with OEM Connector – LEDFR-01”. I used the adapter and instead installed this adjustable LED flasher.
- Brake/Clutch Lever Compatibility – As far as I have seen, the Ninja 650 is fully compatible with the following models.
- 2015-2017 Kawasaki Vulcan/Vulcan S 650
- 2017 Kawasaki Z900
- 2017 Kawasaki Z650
- 2017 Kawasaki Ninja 650R/ER-6F
- 2015-2017 Kawasaki Versys 1000
- 2015-2017 Kawasaki Versys (650cc)
- Handlebar / Clip-ons – While I can’t confirm 100% compatibility, there’s a very high chance of bolt-on compatibility between the previous gen’s handlebar and the 2017+ gen. It certainly is highly likely and worth a try. If anybody has any personal, practical experience, please let me know.
Non-Compatible Parts with the 2017 Kawasaki Ninja 650
The following parts have been tested to not be bolt-on replacements. They fail to have Kawasaki Ninja 650 parts compatibility. Either they are not compatible or need a not-insubstantial amount of modification to install. Avoid them when searching for parts for this particular bike.
- Not compatible with the Brake/Clutch levers for the Kawasaki ER-6N/F 2009-2015.
- Not compatible with the Engine Air Filter for the 2012-2016 Kawasaki Ninja 650. The K&N KA-6512 filter did not fit.
- 2017 Kawasaki Z900 Front Axle Sliders do not fit.
Tip – Reverse-Search Part Number Compatibility
If you have a manufacturer part number for the part in question, try reverse searching it. That is, visit an OEM Parts Vendor and “Search by Part Number“. Some sites will allow you to see ‘where this part is used’, giving you a list of all the different models using exactly that same part with guaranteed compatibility.
Just keep in mind the list may not be exhaustive. There might be parts that aren’t supposed to be compatible… but in practice are. In any case, it’s a great starting point.
Other fitment and compatibility issues
Sprocket and Gearing Changes
The 2017 Kawasaki Ninja 650 has a stock configuration of 15 teeth on the OEM front sprocket and 46 teeth on the OEM rear sprocket. By the way, the stock drive chain is #520 if you’re curious. A pretty typical sport bike customization is to modify those sprocket teeth values for either lower RPM at highway speeds, or more nerve when taking off.
Regrettably, the 2017+ N650 doesn’t seem to take kindly to gearing changes. Even adding a single tooth to the front leads to chain rubbing on the housing. To make matters worse, gearing changes above approximately ≥7% are likely to produce a Check Engine Light. That would be roughly equivalent to 16T/46T – check here for a nifty sprocket ratio calculator if you want to play with the numbers.
On other bikes that might be a minor inconvenience – though reason enough to not do the mod on its own – but on the Ninja 650 it disables the Gear Position Indicator on the dash. To me that’s a deal breaker considering the modest gains to be had.
All in all, save for special circumstances, it is probably safest to leave the stock front sprocket and at most try between 44T and 49T in the rear. A cheap replacement to test would be the JTR478 from JT Sprockets.
Note – The six sprocket nuts have a M10x1.25mm thread, and require 44 ft·lb/59 N·m of torque.
Replacement Ignition Key Blanks
Out of all the vehicles I’ve ever had to get replacement keys for, the Ninja 650 is probably the most complicated. That despite the key not being hard to cut or having a transponder. Partly because the Ninja 650 requires a “left” blade and an extra-long shaft of about 2 inches. Anything shorter than that might hit the plastic ring around the ignition. To boot, the bike is extremely sensitive to any variations in the key profile, with certain keys that look identical not rotating correctly. The following keys are the ones I’ve tested to work.
- Kawasaki OEM Key: PN#27008-0596 – To avoid the hassle of non-compatible keys, for better or worse it’s probably best to go with OEM. This is the part number that will work for the Ninja 650. If you want to see if Ebay has it for less, check here.
- Aftermarket Keys – This is the only cheap aftermarket key I’ve found that works – And I’ve probably ordered over half a dozen by now. At 3 for around 5 bucks, it’s probably the best deal. And much cheaper than OEM. The quality isn’t as good as OEM, but they make excellent backup keys. Just make sure it will fit inside the ignition before getting it cut because I’ve found some batches that inexplicably don’t work. Because of that, in all honesty, buying the OEM key is much less of a headache.
If you lose your keys before making a copy, the cost of replacing the ignition lock, gas cap and seat lock is in the hundreds. You should definitely get a replacement key cut before you need it. Even better, hide one inside the bike’s bodywork in case you ever lose your key while at your destination.
If you do end up ordering a key blank, any local locksmith should cut it for your for about 5 bucks in a few minutes. Then you can get a nice keychain for it like mine to keep it from scratching the bike.
Brake Banjo Bolts
For reference, the 2017+ Kawasaki Ninja 650 uses M10x1.25mm banjo bolts. That is the bolt that holds the brake line banjos, referring to the thread in the brake calipers and cylinders. If you want a cool upgrade for them, here are some nice looking Titanium Brake Banjo Bolts. Plus they have safety wire holes to wire the bolts if you’re looking to track your Ninja.
The bike uses a total of four single-line banjos (2 in the back, 2 in the front) and one double-line banjo (one front caliper). Also, if you ever disturb or replace the banjos, make sure to replace the seals. The crush washers are size M10x14.5mm. The DPWM10.145-10 are the best priced replacement I’ve found for the OEM aluminum washers.
What about ABS versus Non-ABS versions?
A frequent question is whether parts are compatible between the ABS and Non-ABS versions of a given bike – 99% of the time they are. Obvious brake-specific components aside, of course. In other words, you don’t have to ask sellers “if part X is for ABS or Non-ABS motorcycles”. Just about any part on this 2017 Kawasaki Ninja 650 parts compatibility list will fit regardless of the bike having Anti-Lock Brakes or not. That applies to both the Ninja 650 and the Z650… not to mention just about any other popular motorcycle these days.
Certain exceptions are the brake lines, the brake rotor, some wiring harnesses, etc. However those are parts that you are either unlikely to change or won’t surprise you.
On a similar vein, if you’re unsure if your bike has ABS, look for the toothed disc and wheel speed sensor. There’s one for each wheel. If you can’t see it on your motorcycle, then it doesn’t have ABS.
And by the way, no, you can’t install ABS on a non-ABS bike. That’s the short answer, anyway. It’s not impossible, but in most cases it requires so much effort that you’re really better off selling your bike and getting one with ABS instead.
All in all, spending a little extra time researching the parts compatibility for your bike is often worthwhile. Half the time you’ll find better prices, and the other half you’ll find more options than those initially available. Hopefully this Kawasaki Ninja 650 parts compatibility list helps you with that.
Have you encountered any compatibility issues with your N650? Do you have any suggestions or errors? Feel free to contact me or leave a comment below.
Anyway, I hope you’ve found this useful. If you found this interesting, checkout the homepage to see what projects I’ve been up to lately. Here are a few you might find interesting: