Clutch / Gearbox

About this product

This complete Torque Converter Kit is designed for standard 25.4mm (1”) drive shafts, making it perfect for various applications including those up to 11HP engines like the GX270. It features a 5/8” bore driven pulley with a 6” diameter and a drive belt with a 3/4″ top width, ensuring reliable performance. The kit includes an aluminium mounting back plate, a plastic cover for protection, and provides the option to choose between a 10 tooth sprocket suitable for a 420 chain or a 12 tooth sprocket for a 35 chain (If not specified you will be supplied with standard 420 Pitch). With a drive clutch engagement of 2200 RPM, the torque converter offers an initial gear ratio reduction of approximately 2.7:1 upon take-off, transitioning to an overdriven state of approximately 0.90:1 at full speed. This allows the use of taller gearing on the rear without sacrificing acceleration.

Specifications

Features & Benefits

• High compatibility with standard drive shafts.
• Customisable sprocket selection for enhanced adaptability.
• Durable aluminium and protective plastic cover.
• Efficient gear ratio adjustment for improved performance.
• Suitable for high power applications up to 11HP.

Wet clutch cog

Inner diameter: 22mm

Neck length: 25mm

7mm keyway

428 Pitch

13T

Fit for: GX240 / GX270 / GX390

(Wet-clutch shaft output)

About this product

The Wet Clutch 2:1 Reduction Gearbox is ideal for applications ranging from 8HP to 13HP, specifically compatible with GX240 to GX390 engines. This high-quality gearbox is designed with a precision-machined aluminium die-cast housing, ensuring durability and reliable performance. It features a clutch drum equipped with weights, an oil seal, and bearings (E-205 / GB276-82) for optimal functionality. The gearbox also comes with gaskets and an oil dipstick with a breather, enhancing convenience and maintenance ease. The standard SAE mounting hole configuration allows for straightforward installation onto compatible engines.

Specifications

Features & Benefits

• Compatible with a range of GX240 to GX390 engines; suitable for 8HP to 13HP
• Precision-machined housing ensures durability
• Standard SAE mounting configuration for easy installatio
• Clutch drum with weights for smooth operatio
• Includes oil seal, gaskets, and dipstick with breather

About this product

The Wet Clutch Plates set is essential for maintaining optimal performance and longevity of your vehicle's wet clutch system. This set includes two clutch friction plates, two clutch plates, and one friction plate with pins, specifically designed for 200cc - 270cc wet clutch systems. These high-quality components ensure efficient power transfer and durability under demanding conditions, making them an excellent choice for both kids and adult vehicles. Suitable for various applications, they provide reliable performance across a range of environments.

Specifications

Features & Benefits

• Includes essential plates for complete wet clutch system maintenance
• Engineered for 200cc - 270cc systems ensuring compatibility
• High-quality materials for durability and effective performance
• Optimises power transfer efficiently
• Ideal for a wide range of vehicle applications

About this product

This wet clutch gasket is a crucial component designed specifically for larger wet clutch systems. It is compatible with the GX270 and GX390 models, making it an ideal replacement part to ensure reliable performance and longevity of your vehicle’s clutch system. Each pack contains a single piece, ensuring you have exactly what you need for maintenance or repair. Trust in HelmetKarts, a reputed vendor for delivering high-quality automotive components in Australia.

Specifications

Features & Benefits

• Designed for large wet clutch systems
• Compatible with GX270 and GX390 models
• Quality assurance from HelmetKarts
• Essential for clutch system maintenance
• Durable and reliable component

About this product

This centrifugal dry clutch is designed specifically for optimal performance with a shaft measuring approximately 1 inch (25.4 mm). It features a 428 pitch and 14 teeth, ensuring compatibility and durability for various applications. Ideal for off-road vehicles or go-karts, this clutch is an essential component for those looking to enhance their vehicular machinery.

Specifications

Features & Benefits

• Durable construction suitable for high-performance vehicles.
• Lightweight design at only 0.8 kg.
• Perfect for enhancing power transmission in recreational vehicles and go-karts.
• Easy to install with standard shaft and cog dimensions.

About this product

The Torque Converter Case Dust Cover is designed to protect your torque converter clutch setup. Made from durable plastic and finished in a sleek matte black, this dust cover ensures lasting protection and a clean appearance. Ideal for maintaining the longevity and efficiency of your vehicle's torque converter, this cover is essential for any vehicle enthusiast. Compatible with various torque converter setups, it's an excellent addition to both kids and adult vehicles.

Specifications

Features & Benefits

• Protects torque converter from dust and debris.
• Durable plastic construction for long-lasting use.
• Sleek matte black finish for a professional look.
• Ideal for kids and adult vehicles alike.
• Easy to install and maintain.

About this product

This semi-automatic engine clutch is designed for both kids and adult vehicles, offering reliable performance for various spares and maintenance needs. It features a 17T configuration and a diameter of approximately 115mm. This clutch is an essential component for ensuring smooth gear transitions and maintaining the overall performance of your vehicle.

Specifications

Features & Benefits

• Compatible with a wide range of vehicles for both kids and adults.
• Ensures smooth gear transitions.
• Reliable performance for vehicle maintenance and spares.
• Lightweight at only 0.8 kg for easy installation.

About this product

The manual engine clutch is an essential component for go-karts and other motorised vehicles, providing smooth transmission control and efficient power transfer. With a diameter of approximately 115mm, this clutch is designed to fit a range of engines. Notably lightweight at 0.8 kg, it promises easy handling and installation, a critical element for performance and maintenance of go-kart engines.

Specifications

Features & Benefits

• Lightweight design ensures easy handling and installation.
• Durable construction for long-lasting performance in various applications.
• Ideal for both kids' and adults' vehicles, adapting to diverse vehicle setups.
• Efficient power transfer for enhanced vehicle performance.
• Australia-wide delivery available for convenient purchasing.

About this product

This 5 Plate 67T Manual Engine Clutch is specifically designed for optimal performance in a variety of applications. Manufactured by Byglo, this clutch features a 67 Tooth design and is built to fit manual engines. The approximate diameter of this clutch is 120mm, making it compatible with several engine types. With a robust construction weighing 0.8 kg, this clutch ensures durability and reliability, providing smooth and efficient power transmission.

Specifications

Features & Benefits

• High-performance 67 Tooth design for optimal engine compatibility.
• Durability ensured with a robust 5 plate construction.
• Lightweight at 0.8 kg, which helps maintain engine efficiency.
• Designed by the trusted vendor Byglo.

About this product

The Wet Clutch Gasket - Small is a high-quality gasket designed specifically for wet clutch applications. This product is perfect for those needing a reliable gasket for their GX160 or GX200 models. It ensures a secure fit and optimal performance of your clutch system, making it an essential component for maintaining and repairing engines. With an item weight of 0.1 kg, it is lightweight yet durable, offering excellent sealing capabilities.

Specifications

Features & Benefits

• Durable gasket perfect for wet clutch applications.
• Compatible with GX160 and GX200 models.
• Lightweight at 0.1 kg for easy handling and installation.
• Ensures secure fitment and optimal performance.
• High-quality material provides excellent sealing capabilities.

About this product

The 14T 428P Front Sprocket Cog is an essential component for your bike’s drivetrain. Designed with precision, this sprocket cog features 14 teeth and a 428 pitch, making it compatible with a wide range of vehicles. Its 12 spline design ensures a secure fit and optimal performance. Ideal for replacements or upgrades, this sprocket is crafted for durability and reliability. Available from Foxico, known for quality automotive parts, this sprocket is perfect for maintaining your vehicle's peak performance.

Specifications

Features & Benefits

• High compatibility with 428 pitch systems.
• Durable construction for long-lasting performance.
• Secure fit with 12 spline design.
• Lightweight for increased efficiency.

About this product

This 10T 420 Pitch Torque Converter Sprocket Cog is an essential component for your vehicle's drivetrain, ensuring optimal power transfer and performance. Designed with precision, this cog features a 10-tooth count, 420 pitch, and a 5mm keyway. The centre diameter is approximately 15mm, and it is crafted to deliver durability and reliable operation.

Specifications

Features & Benefits

• High-quality construction for long-lasting performance.
• Ensures efficient power transfer in torque converters.
• Compatible with various vehicle models.
• Designed for easy installation and maintenance.

About this product

This is a 12T 35P Torque Converter Sprocket Cog suitable for a variety of motorised applications. It features a 12-tooth configuration and a pitch of 35, designed for efficient torque conversion. The sprocket cog includes a 5mm keyway, providing a secure and stable fitment on the shaft. The centre diameter measures approximately 15mm, which ensures compatibility with various drive systems.

Specifications

Features & Benefits

• Compact and robust design for enhanced performance.
• 5mm keyway ensures a secure fit.
• Ideal for efficient torque conversion in motorised systems.
• Compatible with a wide range of mechanical applications.

Wet clutch cog

Inner diameter: 22mm

Neck length: 15mm

6mm keyway

428 Pitch

13T

Fit for: GX240 / GX270 / GX390

(Wet-clutch shaft output)

About this product

The 16T 530P GY6 Sprocket Cog is designed to fit GY6 motors, providing reliable performance with its durable construction. This sprocket features a 16-tooth count and is tailored for a 530 Pitch chain, ensuring compatibility with your existing setup. The 24 Spline design contributes to a secure fit, making it an ideal choice for motor enthusiasts looking to maintain or upgrade their vehicles. With its precise engineering and robust design, this sprocket cog is a dependable component for your motor's transmission system.

Specifications

Features & Benefits

• Enhances motor performance with precise fitment.
• Durable and robust design for long-lasting use.
• Compatible with a 530 pitch chain, ensuring ease of installation.
• Engineered for use with GY6 motors, ideal for upgrades and maintenance.

About this product

Explore the durability and functionality of the 428 Pitch 13T Wet Clutch Cog, designed specifically for effective torque transfer in small vehicles and go-karts. With an inner diameter of 19mm, this cog fits perfectly on wet-clutch shaft outputs, ensuring a secure fit for enhanced performance. Its neck length is 25mm and includes a 5mm keyway, making it robust and reliable for a variety of engines, particularly fitting models like GX140, GX160, and GX200.

Specifications

Features & Benefits

• Ensures optimal torque transfer with 13 teeth design.
• Perfect fit for wet-clutch shaft outputs with 19mm inner diameter.
• Durable construction with a 25mm neck length.
• Secure fit with a 5mm keyway for stability.
• Compatible with a range of engines including GX140, GX160, and GX200.

About this product

Introducing the Wet Clutch 2:1 Reduction Gearbox suitable for GX140 to GX200 engines. This gearbox is ideal for applications requiring 5HP to 6.5HP engines, making it perfect for both kids' and adults' vehicles. It features a precision-machined aluminium die-cast housing and a standard SAE mounting hole configuration, ensuring durability and ease of installation. Complete with a clutch drum with weights, oil seal, gaskets, and bearings (E-205 / GB276-82), this gearbox promises efficient and reliable performance. The gearbox incorporates an oil dipstick with a breather, and M8 (x4) threaded deep output mounting holes that are 21mm, enhancing its utility and user-friendliness.

Specifications

Features & Benefits

• Optimised for 5HP to 6.5HP engines; ideal for GX140 and GX200 applications.
• Durable and precise with an aluminium die-cast housing.
• Includes all necessary components: clutch drum, oil seal, gaskets, and bearings.
• Easy installation with standard SAE mounting hole configuration.
• Designed for efficient power transfer and optimal performance.

Shaft - approx. 3/4" (19mm)

Cog - 420 pitch / 10T 

About this product

This 1" (25.4mm) 428 pitch / 11T centrifugal dry clutch is designed primarily for kids' and adults' vehicles. This efficient dry clutch ensures smooth transmission and control, making it an excellent choice for various vehicles. With a shaft diameter of approximately 1 inch (25.4mm) and a cog featuring a 428 pitch with 11 teeth, this clutch component is crucial for optimal vehicle performance.

Specifications

Features & Benefits

• Smooth and Reliable Transmissio
• Designed for Kids' and Adults' Vehicles
• High-Quality Dry Clutch Technology
• Lightweight at Only 0.8 kg