*Under the legislation, youth quads do not require an OPD and have no minimum tilt angle. KYMCO has two youth quads: the Maxxer 50 and Mongoose 90S. National ride away prices are inclusive of freight to your local dealer and dealer pre-delivery charges. Excludes Regional WA dealers.

Everything your future star needs to have fun and stay safe.

Ready to tackle the wildest adventures, KYMCO Mongoose 90 S has everything your future star needs to have fun and stay safe. Single a-arm front suspension and unit-swing rear suspension provides stable handling while the 89.9cc four-stroke engine offers reliable power. Safety conscious features like a throttle stop, ignition cut-off lanyard and keyed electric start will help keep the fun under control. With KYMCO Mongoose 90 S your future star will be ready to tackle any adventure they can find.


Smooth four-stroke engine

89.9cc, SOHC, air-cooled four-stroke engine provides smooth power

Twist-and-go transmission with reverse

CVT automatic transmission with reverse gear allows for easy operation

Full sized ATV type shifter

Full sized ATV type shifter for shifting between F-N-R

Soft handle bar padding

Handle bar pad offers improved rider protection

Safe keyed ignition

Keyed starting prevents operation without adult supervision

Adjustable throttle stop

Adjustable throttle stop restricts top speed until your young rider is confident

Ignition cut-off lanyard

Ignition cut-off lanyard allows adults to shut off the engine by pulling the lanyard

Simple starting

Electric start makes starting simple every time

Easy kick-start backup

Kick-start backup provides an alternative starting method

Full sized sports ATV styling

Aggressive full sized sports ATV styling

Protective wide floor boards

Full floor boards protect young rider’s feet from the wheels and debris

Designed for your future champion

Rider controls and seating position are specifically designed for kids to inspire rider confidence

Bright halogen lighting

Front halogen head lamp and rear halogen brake lamp provide enhanced visibility

Advanced braking performance

Front drum brakes and rear disc brake offer increased braking performance

Responsive front suspension

Single a-arm front suspension with twin shock absorbers for stable handling

Stable unit-swing rear suspension

Unit-swing rear suspension with single shock provides a consistent ride

Simple chain drive

Chain drive for reliable performance and simple maintenance

Factory warranty

Two year warranty ensures the fun will last for years to come


EngineSOHC, air-cooled, four-stroke
Power6.3 HP @ 7000 RPM
Bore x Stroke47 x 61.8 mm
Compression ratio10:1
Fuel systemKeihin Carburettor
Starting systemElectric with kick backup
TransmissionCVT automatic with reverse gear
Final drive2WD, Chain
Front suspensionSingle A-arm with twin shock absorbers
Rear suspensionUnit-swing with single shock absorber
Front tire size18 x 7 – 8 inch
Rear tire size18 x 9 – 8 inch
Front brakesDual mechanical drum
Rear brakesHydraulic disc
Size / Weight
Length x Width x Height1435 mm x 905 mm x 925 mm
Wheelbase970 mm
Seat height650 mm
Ground clearance100 mm
Fuel capacity6 l
Dry weight 122 kg
Colour choicesRed or Blue
Warranty2-year factory program
Price$3990 ride away*