Kawasaki KFX 50 specifications
Kawasaki · Youth
Check the chain, the sprockets and the brakes. A KFX50 with a 25.0 in seat is 3.9 in taller than Suzuki's Z50 at 21.1 in. That dimensional comparison does not establish age suitability or control reach.
Kawasaki KFX 50
| Specification | Value |
|---|---|
| Model year | 2027 |
| Displacement | 49.5cc |
| Bore x stroke | 39.0x41.4mm |
| Compression ratio | 10.8:1 |
| Front tire | AT 16x8-7 tubeless |
| Seat height | 25.0 in |
| Curb weight | 249.2 lb |
| Ground clearance | 3.3 in |
| Tread width | 27.2/27.6 in |
| Overall length | 55.1 in |
| Overall width | 34.1 in |
| Overall height | 34.8 in |
| Starting MSRP | $2,699 |
| Class | Youth |
| Engine | 4-stroke, single-cylinder, air-cooled |
| Fuel system | Keihin PTE16 carburetor |
| Transmission | Automatic Continuously Variable Transmission (CVT) |
| Drive system | 2WD, chain |
| Front suspension | Single A-arm with twin shocks |
| Front suspension travel | 2.8 in |
| Rear suspension | Swingarm with single shock |
| Rear suspension travel | 2.9 in |
| Front brake | Dual mechanical drums |
| Rear brake | Hydraulic disc |
| Wheelbase | 38.0 in |
| Fuel capacity | 1.4 gal |
| Steering | Conventional tie-rod |
| Turning radius | 8.9 ft |
| Starting system | Electric with back-up kick-starter |
| Frame | Double-cradle, steel |
| Colors | Lime Green, Bright White |
| Destination charge | $415 |
Cost and comparison
At $2,699 plus $415 destination, the figure before dealer fees and tax is $3,114. Yamaha's YFZ50 works out at $2,849 on the same basis. Kawasaki's quad has 3.3 in of ground clearance, so it is for smooth ground.
Setting it up for a first-time rider
Before the first ride, walk the quad around with the child sitting on it. Check that they can reach both brake levers and turn the handlebar to full lock without letting go. Set any throttle limiter to its lowest position, and clip on the tether if one is fitted.
Choose flat, open ground with no traffic, and stay within reach. A helmet, gloves, eye protection and boots are part of the price of the ATV. Because children grow quickly, check the fit again every few months, and sell or trade the quad when the child's knees are close to the handlebar.
KFX50 against the YFZ50 and QuadSport Z50
Yamaha's YFZ50 and Suzuki's QuadSport Z50 are the other 50cc youth quads.
Kawasaki’s KFX age guidance specifies ages 6 and older for KFX50 and 10 and older for KFX90, with direct adult supervision for riders under 16. Seat height and engine size do not replace those age recommendations or control-reach checks.
Kawasaki · Youth
The KFX50 is Kawasaki's smallest youth ATV, a chain-driven 49.5cc quad with a 25-inch seat. Wild Ride ATV says owners report starting, fuel-system and suspension issues that proper maintenance often fixes, and Kawasaki asks $2,699; 2027 Kawasaki KFX 50 specifications and price.
What owners say
Wild Ride ATV says that while there have been some reported issues with starting, the fuel system and suspension performance, these can often be addressed through proper maintenance and occasional upgrades. The same source adds that the KFX50 offers a comfortable ride but some riders have reported concerns about suspension performance, and that riders can ensure a smooth and reliable ride by addressing common problems and doing regular maintenance.
The write-up warns that specifications may vary with rider weight, terrain and maintenance.
What that means for a used purchase
Starting problems in a small quad usually trace to stale fuel, a dirty carburettor or a weak battery. The fuel system is where a child's ATV that has sat in a shed is most likely to fail. Ask when it last ran, whether the fuel was drained and whether the shocks still have damping. Check the chain, the sprockets and the brakes.
A KFX50 with a 25.0 in seat is 3.9 in taller than Suzuki's Z50 at 21.1 in. So it suits a slightly bigger child.
Cost and comparison
At $2,699 plus $415 destination, the figure before dealer fees and tax is $3,114. Yamaha's YFZ50 works out at $2,849 on the same basis. Kawasaki's quad has 3.3 in of ground clearance, so it is for smooth ground.
Setting it up for a first-time rider
Before the first ride, walk the quad around with the child sitting on it. Check that they can reach both brake levers and turn the handlebar to full lock without letting go. Set any throttle limiter to its lowest position, and clip on the tether if one is fitted. Choose flat, open ground with no traffic, and stay within reach.
A helmet, gloves, eye protection and boots are part of the price of the ATV. Because children grow quickly, check the fit again every few months, and sell or trade the quad when the child's knees are close to the handlebar.
Who it suits
The KFX50 suits a small child on flat ground with a parent near. It is a first-year quad, and most children move up quickly.
KFX50 against the YFZ50 and QuadSport Z50.
Yamaha's YFZ50 and Suzuki's QuadSport Z50 are the other 50cc youth quads.
Where the KFX 50 and the KFX 90 differ, from the two Kawasaki listings
- Model-year range
- 2026–2027
- Compared editions
- 2
- Specification entries
- 27
- Entries that differ
- 0
2027 Kawasaki KFX 50 questions
What problems do Kawasaki KFX50 owners report?
Wild Ride ATV says owners report starting, fuel-system and suspension issues, though these can often be addressed through maintenance and occasional upgrades.
How tall is the Kawasaki KFX50?
Kawasaki lists a 25.0 in seat and 3.3 in of ground clearance on a chain-driven two-wheel-drive youth quad.
How much does the Kawasaki KFX50 cost?
Kawasaki lists $2,699 plus a $415 destination charge, so about $3,114 before dealer fees and tax, for a youth quad.
The first fit check for the smaller KFX
The KFX50's 49.5cc engine and 25.0-inch seat identify a different youth-machine choice from the KFX90. Follow the age label and the manufacturer's supervision instructions before considering engine size or purchase price. A child being tall enough to reach the ground is not sufficient evidence of safe control: the rider must be able to use the brakes and throttle and move appropriately on the machine.
The smaller front tires are listed as AT16x8-7, whereas the KFX90 uses an eighteen-inch front-tire designation. Do not treat the larger sibling's wheel and tire dimensions as an approved upgrade. Clearance, steering and gearing need the specifications for this particular model. Check the speed-limiting equipment and its adjustment instructions on a used example.
The $2,699 base price is $750 below the KFX90's $3,449. That difference is secondary to a suitable fit and the required riding equipment. Inspect the controls, brake operation and evidence of modifications before assuming the lower price of a used quad makes it suitable for a first rider.
Other models in this reference: Kawasaki Brute Force 750, Kawasaki Brute Force 300.