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2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle Review Specs

Suzuki unveiled the first 4-wheel ATV in the world in 1983. Suzuki ATVs are widely available nowadays. The King Quad will propel a rider forward in even the most isolated locations and for the most common duties. Our King Quad portfolio includes some great ATVs on the whole.

The 2023 Suzuki King Quad 400ASi SE+ is there for you every step of the way, whether working hard or just trying to get away from it all. With 2WD and 4WD modes, the fully automated Quadmatic gearbox can manage challenging trail conditions and complete even the most difficult tasks. Its high-performance iridium spark plug and an all-new Pulsed-secondary AIR-injection (PAIR) system assist in delivering remarkable fuel economy, clean emissions, and exceptional engine performance across the power band.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle

According to off-highway vehicle restrictions set out by the California Air Resource Board (CARB), the King Quad 400ASi SE+ is not permitted for sale in California.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle – Features and Specs

Key Features

Fuel-efficient, 4-stroke engine with fuel injection. Moreover, the large fuel capacity and comfy seat provide a long, pleasant riding range. Nonetheless, the QuadMatic gearbox is controlled via a Fender-mounted shifter. More Using a lever positioned on the handlebar, choose 2WD or 4WD. Moreover, Rocky Grey Metallic Matte bodywork pairs well with the cast aluminum wheels’ highlighted spokes and rim edges.

Engine Features

The 376cc, four-stroke, fuel-injected engine of the King Quad 400ASi SE+ generates adequate power and driveability. Suzuki, however, offers exceptional cold starting and smooth power output, particularly in the mid-to-high range, thanks to its class-leading fuel injection. The system employs 3-D maps for the best ignition, producing responsive yet environmentally responsible performance. Moreover, The Suzuki Advanced Cooling System (SACS) uses an all-new oil cooler and a cooling fan with a thermostat to reduce engine heat while transporting heavy loads or working hard.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle

Moreover, as long as the circumstances allow, push-button electric starting features a start-in-gear feature that enables starting without shifting into neutral. Even The slip control circuitry in the Engine Control Unit (ECU) modifies the fuel injector timing and duration to increase drivability and grip in loose/slippery circumstances. Even Iridium spark plugs are very efficient, which results in more excellent combustion, lower emissions, and longer plug life. Additionally, the engine starting at low temperatures is enhanced.

However, the ATV maintains a high level of performance while also meeting Environmental Protection Agency (EPA) pollution requirements thanks to its Pulsed-secondary AIR-injection (PAIR) system and catalyst-equipped exhaust system.

Transmission Features

The QuadMatic transmission is a fully automated CVT (continuously variable transmission) with selectable high/low sub-transmission and reverses for optimal traction and fuel economy. However, using an automotive gate-style gearshift lever, you may choose a high or low range, neutral, or change. However, With the turn of a handlebar-mounted lever, choose between 2WD and 4WD.

The shaft drive system is practically maintenance-free, dependable, and lasting. However, the torque-sensing limited-slip front differential provides maximum traction and light steering while in 4WD mode. Even A sophisticated engine-braking mechanism reduces free-wheeling when the throttle is depressed to aid in maintaining control of the ATV during descents. Moreover, in reverse, the ECU’s Reverse Mode checks vehicle speed so that greater engine RPMs may be employed to clear mud or lose ground.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle

Chassis Features

Sharply slanted, high-clearance fenders with sporty bodywork are painted a distinctive Metallic Matte Rocky Grey. Moreover, Suzuki’s soft T-shaped seat provides the user with movement, whether riding in challenging terrain or for sport. The King Quad may be transported easily since its length is under 82 inches (208 cm), making it fit into a 6.5-foot truck bed. However, with 6.7 inches (170.1 mm) of wheel travel, independent front A-arm suspension gives supple performance and impressive ground clearance. The swing arm rear suspension provides agile handling and comfortable riding, and it has 6.7-inches (170.1mm) of wheel travel and dual shock absorbers.

However, dual front hydraulic disc brakes include calipers with massive 34mm pistons and vast brake-pad surface areas for improved stopping power and exceptional longevity. Plastic skid plates are lightweight, durable enough to track abuse, and slick enough to let objects slide under them.

However, plastic skid plates are lightweight, durable enough to take track abuse, and slick enough to let objects slide under them. Even Large, 25-inch Carlisle tires with aggressive tread provide constant traction in slippery terrain while providing a quiet, comfortable ride on trails with hard-packed surfaces. The black powder-coated cast aluminum wheels match the metallic grey bodywork.

Utility / Convenience Features

The unusual King Quad grille looks like it has dual 35-watt headlights including high and low settings. Bright taillights aid in making the ATV visible in low light. Take advantage of the ATV’s excellent load capacity using the heavy-duty front and rear luggage racks. The racks and front bumper have a strong, scratch-resistant, wrinkle-paint finish.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle

However, the LCD instrumentation includes a Speedometer, odometer, trip meter, hour meter, clock, fuel gauge, and indicators for reverse, neutral, oil, and FI (fuel injection). More on the front fender is a DC power outlet in the automotive manner. Even Wire conduit and mounts that are winch-ready make installing a winch a breeze. An enormous 4.2-gallon (16.0 L) gasoline tank offers exceptional riding range. Even Full flooring with built-in elevated foot pegs provides safety.

Special Features

Limited warranty for 12 months. Suzuki Extended Protection (SEP) offers extended coverage durations with additional advantages. Moreover, winches, windscreens, front and rear bumpers, snow plows, aluminum skid pans, rack extensions, utility boxes, and other items are among the Suzuki Genuine Accessories that are offered. Even 16 years of age is the minimum for operators. According to California Air Resource Board (CARB) off-highway vehicle laws, this model cannot be sold in California.

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle

2023 King Quad 400ASi SE+ Suzuki Utility Motorcycle – Technical Specifications


Engine 376cc (22.94 cubic in.), 4-stroke, air-cooled including SCAS, OHC single-cylinder
Bore x Stroke 82mm x 71.2mm (3.228 inches x 2.803 inches)
Compression Ratio 9.0:1
Fuel System Suzuki electronic fuel injection
Starter Electric
Lubrication Wet sump

Drive Train

Transmission Automatic variable ratio (V-belt), with high/low-range and reverse
Clutch Dry shoe, automatic, centrifugal type
Driven Wheels 2WD and 4WD
Final Drive Shaft drive


Suspension Front Independent, double wishbone, coil spring, oil damped
Suspension Rear Swingarm type, coil spring, oil damped
Brakes Front Disc brakes, twin rotors
Brakes Rear Single drum brake
Tires Front AT25 x 8-12, tubeless type x 2
Tires Rear AT25 x 10-12, tubeless type x 2
Fuel Tank Capacity 16.0 L (4.2 US gal.)
Color Metallic Matte Rocky Gray


Ignition Electronic ignition (transistorized)
Headlight 12V 35/35W (HS1) × 2
Tail Light 12V 21/5W


Overall Length 2060 mm (81.1 in.)
Overall Width 1145 mm (45.1 in.)
Overall Height 1220 mm (48.0 in.)
Wheelbase 1270 mm (50.0 in.)
Ground Clearance 250 mm (9.8 in.)
Seat Height 840 mm (33.1 in.)
Curb Weight 265 kg (628 lb.)


Warranty 12-month limited warranty
Extension More extended coverage periods including other benefits are available through Suzuki Extended Protection (SEP)

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