Kyosho 31315T1 1/5 GP BIREL R31-SE 2WD Readyset Kart  [31315T1]

Kyosho 31315T1 -  1/5 GP 2WD RACING KART - BIREL R31-SE Readyset
Price:
AUD$383.06
Brand:
Kyosho
Model:
31315T1
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Scale Kart Dynamics: Kyosho 31315T1 BIREL R31-SE

The Kyosho 31315T1 models the compact ergonomics and handling of a racing kart, translated into a 1/5 scale Readyset. It focuses on direct steering feel and a minimal front-end setup to reproduce the karting driving style at hobbyist level.

GZ15 Engine Positioning and Handling Traits

With the GZ15 engine mounted alongside the driver position, weight distribution mimics a real kart and helps maintain a low center of gravity. That arrangement supports crisp turn-in and predictable transitions through corners.

Authentic Steering Geometry and Brake Action

Kyosho included trail knuckles and a non-differential rear axle to recreate authentic kart steering. The straight muffler adds to the scale silhouette and reduces exhaust intrusion, while the disk brake system acts directly on the rear axle for reliable deceleration.

Specifications

  • Scale: 1/5
  • Length: 425mm
  • Width: Front 268mm / Rear 302mm
  • Height: 198mm
  • Wheelbase: 260mm
  • Tread (F/R): 238/257mm
  • Tire (F/R): 56x30mm / 58x45mm
  • Gear Ratio: 4.15:1
  • Weight: Approx. 2,100g
  • Engine: GZ-15 engine with recoil starter

Suitable for tinkerers and track-day hobbyists, the Kyosho 31315T1 BIREL R31-SE offers a realistic platform for learning kart-specific setup and driving techniques.

Clean debris from the chassis, inspect tyres for wear, check brake pad condition, and verify that fasteners are secure before storage.
Aftermarket uprights, reinforced linkages and higher grade fasteners are common upgrades for more robust club use.
Change the sprocket sizes or final gear ratio to favour quicker acceleration or a higher top speed depending on track layout.
Yes, standard hobby-grade radios and servos are used for steering and throttle control; choose a servo with suitable torque for precise steering inputs.
It is primarily a hobby Readyset, but with proper setup and any class compliance checks, it can be used for casual club events where scale karts are permitted.

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