The 10 Best _Honda_ 125 Big Bore Kits (2022 reviews)

Compared with other kit in this category, the Top Notch Parts Honda 125 Big Bore Kit has a design with broader appeal. The top notch parts honda 125 big bore kit comes with a gasket maker, is perfect for big bore cylinders and it comes with a thread lock. Make sure this fits by entering your model number. And, the kit is used for fuel filtering and it is used for best quality.

Above all, the top notch parts honda 125 big bore kit has a ceramic coating providing superior heat resistance which will extend the life span of the piston.

Most customers found that the kit is easy to rebuild and parts are available everywhere. Further, they also found that the kit is perfectly and fast delivered.

Top Customer Quotes:

Replaces oem number 12100-kcy-670 12191-kcy-672 13011-kcy-670 13101-kcy-670 90601-ka5-000 13111-kcy-670 12251-hn1-003 12391-kcy-671 14560-kcw-851.
This looks good and it is perfect for oil filter.
Parts fit: 1999 - 2008 honda trx 400ex.
This is cheaper than anywhere else.

Best For Great Price: Bbr Motorsports Honda 125 Big Bore Kit

Buy on Amazon

The Bbr Motorsports Honda 125 Big Bore Kit's superior materials makes sure that it ages well with use. The bbr motorsports honda 125 big bore kit is great for a great price and it is good for torque specs. Bbr aluminum cylinder, piston, rings, piston pin, clips, performance camshaft, heavy-duty valve springs, rockers with tappet adjusters and gasket kit. In addition, it is reliable and it is great with basic mechanics.

The kit works great and it is made for easy install. Finally, the bbr motorsports honda 125 big bore kit is used for air filter, is ready to ship and it is constructed with great instructions.

Almost all buyers found that the kit has awesome customer service and also it is obviously not going to work for you. In addition, a few also found that the kit would only work on the xr100 and crf100 bikes. In addition, they also found that this is the kit to get for easy bolt on power. In short, buyers found this to be one of the best kits for daily purposes.

Top Customer Quotes:

One of the newcomers and featured product.
Good investment for the long term.

RELATED: Best 170 Cc Big Bore Kits

Best For Easy Install: Aniro Moto Honda 125 Big Bore Kit

Buy on Amazon

The Aniro Moto Honda 125 Big Bore Kit's high-end materials makes sure that it ages well with use. The aniro moto honda 125 big bore kit is a 76mm bolt pattern cylinder & head, will not fit the 80mm bolt pattern. This is the perfect kit for a rebuild or you can upgrade your 125cc to 150cc. And, it is made for easy install, is perfect for high quality and it is good for good quality.

The kit came with a wrist pin and it fired right up. Above all, the aniro moto honda 125 big bore kit comes complete with valves already assembled.

One customer says - "It would be nice if there were instructions, but you can easily find a video on youtube. ". Almost all customers found that the kit is a gy6 or Chinese clone of a gy6 150cc engine, then yes it will work. As a result, customers were eager to recommend it to friends and families.

Why We Like This:

This is great for exhaust studs and it looks great.
Fits the 157qmj engines, 76mm bolt pattern 2 1/2" tall head.
New and hot releases.

RELATED: Best Big Bore Gasket Kits

Best For Head Cover Gasket: Niche Honda 125 Big Bore Kit

Buy on Amazon

If you are currently in the market looking for a suitable kit for your daily purpose, Niche Honda 125 Big Bore Kit is the natural choice. In addition, it came with part numbers and it came with a wrist pin. Make sure this fits by entering your model number. Lastly, the niche honda 125 big bore kit includes a brand new 89mm cylinder, bigbore piston kit, head gasket and base gasket with 2 o-rings.

"If your gonna race of try to drag race this every weekend, you should probably go with a higher quality kit. " - says, one customer. Obviously, this kit passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

Cylinder bore and stroke 89.00mm x 70.00mm.
Includes base gasket and head gasket.
Includes cylinder (89mm), piston, piston rings, o-rings (2), wristpin and circlips (2).
Replaces part numbers: honda 12100-hn1-a70, 12191-kcy-672,13011-kcy-670, 90601-ka5-000,13101-kcy-670, 13111-kcy-670,91301-428-003, 12251-hn1-003,12100-kcy-670, 12100-kcy-670, 12191-kcy-672.

Best For Great Quality: Weiyingsi Honda 125 Big Bore Kit

Buy on Amazon

If you want nothing but a kit that is reliable, this Weiyingsi Honda 125 Big Bore Kit is certainly a wise investment. The weiyingsi honda 125big bore kit is perfect for great quality and it works well for good quality. This is one of the best upgrades you can make to your 50cc scooter. And, it comes with a wrist pin, allowing for easy installation and it worked perfectly.

The kit works great and there is much more. Finally, the weiyingsi honda 125 big borekit comes with racing ac cdi, ignition coil and racing spark plug included.

Most buyers quickly discovered that the kit fitted like a glove and also fitted icebear well. Moreover, a few also found that the kit has a 139qmb engine code. In conclusion, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:

This fits on most any 50cc scooter.
Manufacturer says: we have 2 versions, 64mm and 69mm valve length versions.
This is made for Chinese scooters.
This is perfect for the intake manifold and it comes with an oil pump.

Best For Air Filter: 50 Caliber Racing Honda 125 Big Bore Kit

Buy on Amazon

We would, of course, be remiss if we didn't mention the 50 Caliber Racing Honda 125 Big Bore Kit for daily purpose. Moreover, it fits many different honda 50/70 pit bikes. Make sure this fits by entering your model number. Above all, the 50 caliber racing honda 125 big bore kit is to be installed by a certified technician* no warranty.

"Unfortunately, this kit will not fit a 1986 honda z50. " - says, one customer. Consequently, buyers were eager to recommend it to friends and would-be buyers.

Why We Like This:

Lightweight aluminum cylinder with steel sleeve.
Cast in mounts on cylinder for aftermarket skid plates.
This kit will easily double the stock horse power on your bike.
This is a great kit to pump up your old honda 50 or 70.

Best For Spark Plug: Jdmspeed Honda 125 Big Bore Kit

Buy on Amazon

The Jdmspeed Honda 125 Big Bore Kit should be able to handle its purpose and duties with ease. Also, the kit looks good, is made with fast shipping and it works great. Make sure this fits by entering your model number. Most importantly, the jdmspeed honda 125 big bore kit includes 1x cylinder, 2x gaskets, 1x piston, 1x piston pin, 2x piston rings, 1x sleeve bearing, 2x cir-clips, 4x head cylinder studs, 4x stud nuts, 1x free spark plug.

"Easy to install if you work on a two - stroke. " - says, one customer. Without any doubt, this kit passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

New complete high quality 40cc big bore kit.
Delivers what they promise.

Best For Inner Diameter: Cspart Honda 125 Big Bore Kit

Buy on Amazon

The Cspart Honda 125 Big Bore Kit should be able to handle its purpose and duties with ease. In addition, this is suitable for inner diameter and it is great for middle height. It is bored from 107ml (52.4mm) to 125cc(54mm), still called 107ml, but it is a real bigbore kit from your old 110cc cylinder kit. Lastly, the cspart honda 125big bore kit fits perfectly with the outer diameter, is great for the height of doom and it is very nice.

"Using this kit will turn a 110cc into about 114cc. " - says, one customer. Overall, for almost all buyers, Cspart product was the most suitable.

Why We Like This:

Piston kit - total height:39.5mm, compress height:19.2mm, doom deep:2.5mm, pin:13mm.
Cylinder - middle height:69.5mm, total height:93.2mm, inner diameter:54mm, outer skirt diameter:58mm.
Delivers what they promise.

Best For Cylinder Head: Mofans Honda 125 Big Bore Kit

Buy on Amazon

If you often find yourself confused about convenient and suitable kit, Mofans honda 125 big borekit should be your first option for buying. Further, the kit is compatible with Honda crf230f 2003. Please kindly confirm this set could fit for your models before order, thanks. Above all, the Mofans honda 125 big bore kit is easy to install, no modifications are required prior to installation.

Why We Like This:

▶ package included: 1 set piston cylinder camshaft rebuild repair kit(as pictures shows).
Good investment for the long term.

Best For Good Fit: Mallofusa Honda 125 Big Bore Kit

Buy on Amazon

We would, of course, be remiss if we didn't mention Mallofusa Honda 125 Big Bore Kit for daily use. The mallofusa honda 125 big bore kit is compatible with part number and it comes with a package included cylinder. Make sure this fits by entering your model number. This cylinder piston top end kit has been honed, and comes ready to assemble. Finally, the mallofusa honda 125 big bore kit is easy to assemble and it is designed for good fit.

In short, at the price, they believe that they got a steal of a deal with it.

Why We Like This:

Complete standard - sized cylinder and piston kit with gaskets, cylinder 8650mm bore, 99.
Good investment for the long term.