Description
KingQuad 400 FSI
Suzuki KINGQUAD 400FSi for sale at Tarti PowerSports. Order your 2026 Suzuki KingQuad 400FSi today and get genuine factory specs, straightforward pricing, and worldwide shipping to the USA, Canada, Europe, and Australia.

Suzuki KINGQUAD 400FSi Specifications
- Engine: 376cc liquid-cooled single-cylinder EFI
- Horsepower: strong low-end torque output
- Drive System: Selectable 2WD/4WD with diff lock, shaft drive
- Ground Clearance: 9.8″
The Suzuki KINGQUAD 400FSi is built for riders who need dependable, do-it-all ATV performance, from trail riding and hunting to farm and ranch work. With Suzuki’s proven 376cc liquid-cooled single-cylinder EFI engine putting out strong low-end torque output, the Suzuki KINGQUAD 400FSi delivers the power and control drivers expect from the Suzuki KingQuad 400FSi lineup, backed by Selectable 2WD/4WD with diff lock, shaft drive.
Whether you’re riding trails in the USA, tackling backcountry terrain in Canada, exploring off-road parks across Europe, or working the outback in Australia, the Suzuki KINGQUAD 400FSi delivers the performance and reliability Suzuki is known for. Tarti PowerSports ships worldwide and handles export documentation for international buyers.
The Suzuki KingQuad 400FSi on the Farm: A Practical Guide
For many farms and ranches, the ATV is the most-used vehicle on the property. It runs feed out to pastures, checks fence lines, pulls small implements and carries tools from one job to the next. The Suzuki KingQuad 400FSi is built for exactly that kind of daily work. Its foot-shift transmission with automatic clutch gives you direct, belt-free control, and its fuel-injected 376cc engine starts reliably every morning.
We may list more than one unit of this model, so contact us to confirm color and availability. You can also see our other Suzuki KingQuad 400FSi listing and the fully automatic KingQuad 400ASi.
Specifications
- Engine: 376cc single-cylinder with EFI (listed as liquid-cooled)
- Power: strong low-end torque output
- Drive: selectable 2WD/4WD with diff lock (as listed), shaft drive
- Transmission: foot shift with automatic clutch
- Ground clearance: 9.8 inches
Towing Tips
When towing with the Suzuki KingQuad 400FSi, choose a low gear before starting off with a heavy load, and keep the trailer’s tongue weight within the limits in the owner manual. On downhill grades, stay in a lower gear and let engine braking help control speed rather than relying only on the brakes. Avoid sharp turns on slopes, and remember that stopping distances increase with weight. The geared transmission makes these techniques easier and more predictable than on a belt-driven ATV.
Daily Chores Made Easier
- Feeding: carry bags on the racks or tow a small feed cart
- Fencing: haul posts, wire and tools along fence lines
- Spraying: mount a spot sprayer for weeds and pastures
- Spreading: tow a broadcast spreader for seed and fertilizer
- Snow: plow lanes and paths with an accessory blade
Working in Wet Conditions
Farms often deal with mud, standing water and wet grass. Belt-driven ATVs can slip their belts when wet, but the Suzuki KingQuad 400FSi uses a geared transmission that keeps a solid connection to the wheels. Selectable 4WD and the listed diff lock add extra traction, helping you keep working when the ground is soft.
Keeping It Running
Change the oil on schedule, clean the air filter often in dusty barnyards, check tire pressure, grease any fittings and inspect CV boots after muddy work. Rinse off manure and mud promptly to prevent corrosion. These habits keep a working ATV dependable for many years.
Frequently Asked Questions
Is the Suzuki KingQuad 400FSi good for towing?
Yes. Its geared transmission and engine braking make towing controlled and predictable.
Does it have a clutch lever?
No, it has an automatic clutch with foot shifting.
Is this the same as the other Suzuki KingQuad 400FSi listing?
Yes. Contact us for details on each unit.
Does it have 4WD?
Yes, selectable 2WD/4WD.
Can I add a plow?
Yes, plow kits are a popular accessory.
More Ownership Tips
Registration, Insurance and Permits
Depending on where you live, your ATV may need registration, a trail permit or an off-highway vehicle sticker. Insurance is a smart choice too, since it can cover theft, damage and liability. Check local rules before your first ride and keep your paperwork with the vehicle or on your phone.
Transporting Your Machine
Use a trailer or truck rated for the weight of your ATV, with sturdy ramps and quality ratchet straps. Secure it at four points to solid frame or rack mounts, never to plastic parts, and double check the straps after the first few miles of driving.
The Break-In Period
The first hours of use matter for long engine life. Follow the break-in instructions in the owner manual, vary engine speed, avoid full throttle and heavy loads at first and change the oil when recommended. Careful break-in helps your Suzuki KingQuad 400FSi deliver its best performance for years.
Protecting Resale Value
Keep the ATV clean, store it under cover, follow the service schedule and save every receipt. A documented service history and tidy condition make a big difference when it is time to sell or trade in for a newer model.
Riding Responsibly
Stay on designated trails, respect private property and keep noise down near homes and livestock. Pack out everything you bring in, cross streams only at approved crossings and avoid riding on wet, fragile ground that is easily damaged.
Getting Help From Our Team
If you are not sure which model or trim is right for you, tell us how you plan to ride, who will ride with you and your budget. We will compare options honestly and recommend the ATV that best fits your needs.
Choosing Accessories Wisely
Start with accessories that add safety and protection, such as guards, lighting and quality riding gear, then add comfort and storage items. Genuine manufacturer accessories are designed to fit perfectly, and our team can help you pick options that suit your ATV.
Planning Your First Rides
Spend the first few outings learning how the Suzuki KingQuad 400FSi responds on familiar, easy ground. Gradually add more challenging terrain, longer distances and new conditions as your confidence grows.
Keeping Records
Write down the date and hours or miles of every service, along with parts used. A simple log helps you stay on schedule and shows future buyers that the ATV was cared for properly.
Cleaning After a Ride
Rinse off mud, sand and salt as soon as possible after each ride. Use low water pressure around bearings, seals and electrical connectors, let the ATV dry fully and lubricate pivot points. Regular cleaning makes it easier to spot loose bolts, leaks or worn parts early.
Tires and Wheels
Tires are one of the biggest factors in how a ATV handles. Check pressure with a low-pressure gauge, inspect tread and sidewalls for cuts, and choose replacement tires that suit your terrain, whether that is mud, sand, rock or hard-packed trail.
Delivery Day Tips
When your Suzuki KingQuad 400FSi arrives, inspect it carefully before signing for delivery, check that all keys, manuals and included accessories are present and take photos for your records. Then read the owner manual and plan an easy first ride to learn the controls.
Warranty and Service Questions
Coverage terms depend on the manufacturer, model year and region. Ask our team what applies to this ATV, and keep your service records so any future claims or questions are easy to handle.
Comparing Before You Buy
Take time to compare trims, engines and equipment across similar models. Our team can line up options side by side so you can see exactly what each ATV offers before you decide.
Planning Your Budget
Set a budget that includes the Suzuki KingQuad 400FSi, riding gear, accessories, insurance and routine maintenance. Financing on approved credit can spread the cost into manageable monthly payments.
ATV Riding Technique Basics
ATVs are steered with your body as much as the handlebars. In turns, shift your weight toward the inside of the corner and keep your feet on the footrests. On climbs, move your weight forward and keep a steady throttle; on descents, shift back, use engine braking and brake gently. Never try to turn around on a steep hill, and lean toward the uphill side on side slopes. Loads on the racks and trailers raise the center of gravity and lengthen stopping distances, so slow down when carrying cargo. Always stay within the rack and towing limits listed on the machine’s labels and in the owner manual.
Choose terrain that matches your experience, and build skills gradually in an open, flat area before tackling rocks, mud or steep trails. Riding with a partner is safer and more fun, especially in remote areas.
Pre-Ride Checklist
A quick inspection before every ride takes only a few minutes and prevents most problems on the trail or road. Before you set out on your Suzuki KingQuad 400FSi, run through these checks:
- Tires and wheels: correct pressure, no cuts or bulges, wheel nuts tight.
- Controls: throttle returns smoothly, brakes feel firm, switches and kill switch work.
- Fluids: engine oil, coolant (if liquid-cooled) and brake fluid at the right levels, with no leaks underneath.
- Chassis: no loose bolts, damaged guards or worn suspension parts.
- Lights: headlights, taillight and brake light working.
- Gear: helmet, eye protection and riding clothes ready, plus water and a phone for longer rides.
Riding Your Suzuki KingQuad 400FSi Safely
Every ATV rewards riders who respect it. Before your first ride, read the owner manual and every warning label, and take time to learn the controls in an open, flat area. Wear a DOT approved helmet, eye protection, gloves, long sleeves, long pants and over-the-ankle boots every time you ride. Ride within your skill level, slow down on unfamiliar ground and never ride after drinking alcohol. Youth riders should only ride machines sized for their age, and always with adult supervision.
Formal training is one of the best investments you can make. The ATV Safety Institute offers rider courses and free safety resources that help new and experienced riders build good habits. Many riders also follow the responsible riding principles promoted by Tread Lightly, which help keep trails open and protect the outdoors for everyone.
Storage and Seasonal Care
A little seasonal care keeps your ATV ready to ride. Before a long break, wash and dry it thoroughly, change the engine oil, add fuel stabilizer and run the engine briefly to circulate it, then connect a battery tender. Store it in a dry, covered space and set the tires to the recommended pressure. When the season starts again, check every fluid, the brakes, tire pressure, lights and controls before heading out. Keeping a simple log of services, parts and repairs also helps protect resale value if you decide to upgrade in the future.
Official manuals, genuine parts, recall information and accessories are available from the official Suzuki website, and our team is always happy to help you find the right parts or service advice.
Why Buy From Tarti PowerSports
Tarti PowerSports helps riders across the United States, Canada, Europe and Australia find the right machine at a fair price. When you ask about the Suzuki KingQuad 400FSi, our team confirms current availability, explains pricing clearly and helps you choose accessories that suit how and where you ride. We answer your questions honestly, so you can buy with confidence.
Financing on Approved Credit
Enjoy convenient financing with competitive rates on approved credit. Tell us your budget and preferred monthly payment, and we will help you find a plan that fits. Financing often makes it possible to get the exact model and accessories you want without waiting.
Worldwide Shipping and Export Paperwork
We ship worldwide and handle export documentation for international buyers. Whether your new ATV is headed to a home in the USA, a farm in Canada, a dealer port in Europe or a property in Australia, we explain the shipping options, timelines and paperwork before you commit, so there are no surprises on delivery day.
Explore More Models
See every Suzuki model we carry on our Suzuki inventory page, or browse ATVs, side-by-sides, motorcycles and youth models in our shop. You can learn more about Tarti PowerSports, read reviews from other buyers on our testimonials page and contact our team any time with questions about this model.
Suzuki KINGQUAD 400FSi For Sale: USA, Canada, Europe & Australia
Contact Tarti PowerSports today to check current availability, financing options, and shipping quotes for the 2026 Suzuki KINGQUAD 400FSi. ENJOY CONVENIENT FINANCING WITH COMPETITIVE RATES on approved credit.




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