The 8 Best Yfz Big Bore Kits (2022 reviews)

The latest bbr motorsports YFZ big bore kit is an absolute beast in terms of its features, and rightfully takes the top spot with ease. The bbr motorsports YFZ big bore kit is reliable, comes with piston rings and it is ready to ship. Bbr aluminum cylinder, piston, rings, piston pin, clips, performance camshaft, heavy-duty valve springs, rockers with tappet adjusters and gasket kit. In addition, the kit is fitment and it is used for torque specs.

Above all, the bbr motorsports YFZ big bore kit is suitable for air filtering and it is great with basic mechanics.

Almost all buyers found that the kit made no mention of setting the ring end gap for the kit. In addition, a few say that the kit has awesome customer service and also it is obviously not going to work for you. And, they also found that this was the kit to get for easy bolt on power.

Top Customer Quotes:

This is great for a great price and it is made for easy installing.
This fits the following applications and will only work on the xr100 and crf100 bikes.
Delivers what they promise.

Best For Spark Plug: Weiyingsi Yfz Big Bore Kit

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The Weiyingsi Yfz Big Bore Kit is capable of outshining several other kit featured in this list in overall features for the price point. The weiyingsi yfz big bore kit can check for new update, fire right up and it is safe. Make sure this fits by entering your model number. And, it is great for air filter and it is black.

Above all, the weiyingsi yfz big bore kit comes with an easy-start-style recoil puller.

Almost all customers opine that the kit is perfect for pocket bike. Also, they strongly agree that the kit is easy to start and runs great. In short, for almost all buyers, the kit was what they were looking for.

Top Customer Quotes:

Oil gas mixture: 1:25 max power:2.6hp/7000rpm max torque: 2.8 n.m./5500rpm.
This is, it matters who makes it work.
It looks good and it cleans with great power.
This works great and it can be bought for good value.

RELATED: Best 170 Cc Big Bore Kits

Best For Head Cover Gasket: Niche Yfz Big Bore Kit

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The niche YFZ big bore kit's high-end materials make sure that it ages well with use. The niche YFZ big bore kit is compatible with part numbers and it comes with a wrist pin. This is a true bolt on kit, no machining or custom work needed, Simply remove your old cylinder/piston and put this kit on. In addition, the kit is used for the head cover gasket and it comes with piston rings. Most importantly, the niche YFZ big bore kit includes a brand new 89mm cylinder, big bore 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. Overall, for almost all buyers, it was just what they wanted.

Why We Like This:

Includes cylinder (89mm), piston, piston rings, o-rings (2), wristpin and circlips (2).
Compatible with Honda 1996-2004 xr400r, 1999-2008 sportrax trx400ex, 2009, 2012-2014 trx400x.
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.
Cylinder bore and stroke 89.00mm x 70.00mm.

RELATED: Best Big Bore Gasket Kits

Best For Big Bore Cylinder: Kids Atv Parts Yfz Big Bore Kit

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Not everyone likes to purchase kit for their regular use, but the kids parts YFZ bigbore kit would be an anomoly. The kids ATV parts YFZ big borekit is horizontal, is many more and it comes with a single-cylinder. Make sure this fits by entering your model number. Also, the kit comes with a wrist pin diameter and it comes with piston rings.

The kit made for this kit includes a 70cc cylinder, is perfect for high quality and it is used for head gaskets. Most importantly, the kids ' ATV parts big bore kit is good for cylinder head and it fits on apirilia vino.

Most buyers quickly discovered that the kit is great with no problems. In addition, they also found that the kit is a two - stroke it will fit. Moreover, they say that this kit is from China, low low quality. Overall, buyers found this to be one of the best kit for daily purposes.

Top Customer Quotes:

This provides decent power, lower revving good torque.
This comes with a wrist pin and it is made for big bore cylinder.
Only fit 2 stroke yamaha jog 50 and its clone engine.
This will work on your yamaha pw50.

Best For Oil Filter: Top Notch Parts Yfz Big Bore Kit

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate kit. The top - notch parts of a big bore kit are exactly that - it's a simple kit that hits all the right notes. Moreover, it is great for oil filtering and it is made for air filter. Make sure this fits by entering your model number. Most importantly, the top - notch parts of the bigbore kit have a teflon coating on the sides and a ceramic top.

Why We Like This:

Aftermarket new big bore 500 cylinder kit fits 2007.
Converts your 420 to a 500.
Replaces OEM part # 12101-hp1-670 12191-hp1-671 13101-hp1-67013111-hp1-670 13112-hp1-670 13011-hp1-30515412-men-671 17254-hp1-000.
Aftermarket new big bore 500 cylinder kit fits 2007-2018 trx420 rancher.

Best For Worth The Money: 8Ten Yfz Big Bore Kit

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Best part: 8Ten Yfz Big Bore Kit costs comparatively little and it is available to ship in 24 hours. The 8ten yfz big bore kit is good for placement on vehicle and it comes with part numbers. Make sure this fits by entering your model number. In addition, the kit is compatible with the following models, is compatible with the following brands and it is great for high quality. Finally, the 8ten yfzbig borekit comes with either one or two cylinders.

With no doubts, this kit passed the test and had very satisfied buyers eager to share their experience.

Customers say that getting a raptor 660 720 big bore kit, along with kit is useful.

Why We Like This:

Compatible with: yamaha 2004-2007 rhino 660.
Replaces part numbers: yamaha 5km-11310-00-00.
High quality replacement cylinder with a 102mm big bore.

Best With Part Number: Tektall Yfz Big Bore Kit

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Tektall is known for creating pragmatic and minimalist kit for people on the go, and its line of Tektall Yfz Big Bore Kit definitely falls in line with that reputation. The tektall yfz big bore kit is made of the highest quality materials, sturdy and durable, and has reached good specifications. Please confirm the item if it matches your machine before you purchase. In addition, this is very suitable for replacing the air blowing cylinder.

Above all, the tektall yfzbig bore kit is great for exhaust gasket and it comes with piston rings.

Why We Like This:

You will get everything shown in the picture.
This is made for long life and it works well for good quality.
This is fitment and it is compatible with part number.

Best For High Performance: Dw Yfz Big Bore Kit

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate kit. The Dw Yfz Big Bore Kit is exactly that - it's a simple kit that hits all the right notes. Included DW cylinder piston top end gasket kit comp ratio 6.5:1. In addition, the kit is good for fuel filter, is great for air filters and it is built for high performance. When it comes to searching for a reliable kit, the dw yfz big bore kit is definitely your first choice.

Why We Like This:

Included were fuel filters and air filters with covers.
And the top end gasket set x1.
For Yamaha banshee yfz 350 stock born 1987~2006.
Heavy duty cylinder (silver color) for high performance racing application.