Description
Product Overview
The pinkhatcat 10″ jackshaft is engineered for go‑kart and mini‑bike powertrains that demand precision and durability. Measuring 10 inches in length with a 5/8″ diameter, it incorporates a 3/16″ keyway and dual circlip slots at each end, providing a secure, slip‑free connection to the crankshaft. Constructed from hot‑dip galvanized steel, the shaft resists rust and wear, extending service life even under high‑rpm conditions. Package dimensions are compact (10.16 x 1.14 x 0.98 inches) and the unit weighs just 13.1 ounces, making storage and handling effortless.
Usage
Designed for both competitive racing and casual hobby projects, this jackshaft fits a wide range of go‑kart and mini‑bike engines that specify a 5/8″ shaft with a 3/16″ keyway. Installers benefit from the pre‑drilled circlip slots, which simplify alignment and prevent axial movement during operation. Whether you are rebuilding a vintage kart, upgrading a performance mini‑bike, or maintaining a rental fleet, the pinkhatcat jackshaft delivers consistent torque transfer and smooth engine timing. 
Why Choose Us
Pinkhatcat is recognized for precision machining and rigorous quality control. Each jackshaft undergoes dimensional inspection and corrosion testing to meet automotive standards. The galvanization process adds a protective layer that outperforms standard steel shafts in humid or track environments. Our product ranks #12 in Automotive Replacement Engine Timing Part Jackshafts on Amazon, reflecting strong customer satisfaction and reliability.
Key Features
- 10″ length with 5/8″ diameter for universal fit
- 3/16″ keyway ensures precise torque transmission
- Dual circlip slots for secure, vibration‑free installation
- Hot‑dip galvanized finish resists rust and extends lifespan
- Lightweight (13.1 oz) for easy handling and reduced rotating mass
FAQ
What engines are compatible with this jackshaft?
The shaft fits any go‑kart or mini‑bike engine that specifies a 5/8″ diameter shaft with a 3/16″ keyway, commonly found in 4‑stroke and 2‑stroke configurations.
Do I need additional tools to install the circlip slots?
No special tools are required; a standard circlip plier or small screwdriver can compress the circlips into the pre‑drilled slots for a secure fit.
How does galvanization improve performance?
Galvanization creates a protective zinc coating that prevents corrosion, especially in humid or track environments, ensuring the shaft maintains its strength and dimensional stability over time.
Can this jackshaft be used in high‑performance racing?
Yes, the robust steel construction and precise machining make it suitable for both street‑legal karting and competitive racing where reliability is critical.
Is the product covered by a warranty?
Pinkhatcat offers a limited one‑year warranty against manufacturing defects, providing peace of mind for your investment.





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