TM Go Kart 300 XRS-E Go Kart

The TrailMaster 300 XRS EFI is a full-size, high-performance go-kart designed for skilled riders who want more power, more suspension, and more capability than the mid-size and 200cc models. With a fuel-injected 300cc engine, independent suspension, and adult-sized chassis, this machine is built for serious trail use—not casual cruising.

Because the radiator lines and cooling system are routed under the seats, the cockpit has slightly reduced legroom compared to simpler models, so taller riders should pay close attention to fit and dimensions before choosing this kart.

WHO IT FITS

• Riders: experienced teens and adults who are comfortable with speed and mechanical upkeep

• Best for: trail riding, open land, and higher-speed off-road use where momentum matters

• Not ideal for: brand-new riders, young kids, or those wanting a super-roomy cockpit

• Fit note: taller riders, especially around 6'4" and above, should carefully review legroom and fit

KEY FEATURES

• 300cc EFI, single-cylinder, liquid-cooled engine (around 17–18 hp)

• Automatic CVT transmission with reverse—no manual clutch required

• Independent front dual A-arm suspension and heavy-duty rear swing arm

• Large off-road tires (commonly around 20×7-8 front and 22×10-10 rear, depending on model year)

• Adult-sized frame with slightly tighter cockpit due to radiator plumbing under the seats

• Digital speedometer/odometer on most trims

• 5-point safety harnesses and trail-ready chassis

• Trailer-hitch capable for light-duty towing on private property

SIZE & FIT

• Platform: full-size adult go-kart

• Cockpit: tighter legroom than simpler 200-series karts because of the cooling system under the seats

• Rider height: if you’re tall or have long legs, double-check dimensions and be sure you’re comfortable with the tighter cockpit feel

• Use case: best suited for riders who prefer performance and speed over roomy, laid-back seating

PERFORMANCE & EFI BENEFITS

• EFI (Electronic Fuel Injection) provides:

  • Smoother starts and more consistent throttle response

  • Better altitude performance than a traditional carburetor

  • Less hassle with carb cleaning or retuning after sitting

• Liquid cooling helps the engine handle extended rides and higher-load conditions more consistently

• Built to reward owners who follow break-in, maintenance, and regular inspection routines

SHIPPING & ASSEMBLY

• Ships in a secure crate with major components pre-installed

• Typical final assembly includes:

  • Mounting seats and roll-cage sections

  • Connecting the battery

  • Checking and filling fluids as needed

  • Verifying fasteners, brakes, and throttle operation

• Recommended for owners who are comfortable with tools and basic mechanical setup

WARRANTY & SUPPORT

• Covered by the standard TrailMaster manufacturer warranty (details vary by model year and dealer)

• Warranty typically covers manufacturing defects, not wear items or damage from misuse

• Wear items like belts, pads, and tires are considered maintenance items

• Regular maintenance—oil changes, chain adjustment, fastener checks, and cooling system checks—is essential for long-term reliability

COMMON QUESTIONS

Is this model good for beginners?

• Not really. The 300 XRS EFI is aimed at riders who already have some experience and are comfortable with speed, maintenance, and fit-checking. It’s powerful and has a tighter cockpit, so it’s not the best first kart for young or nervous drivers.

What difference does EFI make?

• Fuel injection improves starting, helps the kart run better at different elevations, and cuts down on carb-related issues after storage. It’s generally smoother and more “set-and-forget” than a carbureted system when properly maintained.

Why is the cockpit space smaller?

• The radiator lines and cooling hardware are routed under the seats, which takes up space in the leg area. This design supports better cooling performance but reduces legroom compared to some simpler 200cc models.

What oil should I use?

• Use SAE 10W30 small-engine oil as the standard recommendation. Change oil after break-in and at regular intervals to protect the engine.

Can I get parts and upgrades?

• Yes. Parts, maintenance components, and common upgrades for the 300-series platform are readily available through TrailMaster parts suppliers.

SAFETY & GEAR RECOMMENDATIONS

A performance kart like the 300 XRS EFI demands proper gear every ride:

• DOT-approved full-face or motocross-style helmet

• Goggles or visor for eye protection

• Durable gloves

• Long sleeves, long pants, and sturdy, closed-toe footwear

• Consider extras like an hour meter for tracking maintenance, fuel stabilizer, carb or injector-safe cleaners, touch-up paint, upgraded harnesses, and a whip light or flag for visibility

Always ride on appropriate terrain, follow local laws, and supervise younger riders closely.