Tusk Crankcase Splitter/Separator Tool – Adjustable Arms, 6mm & 8mm Bolts for Vertically Split 2‑Stroke & 4‑Stroke Crankcases

Effortless crankcase splitting for vertical engines

When you’re rebuilding the bottom end of a motorcycle engine, a reliable crankcase splitter can save time and reduce the risk of damage. The Tusk Crankcase Splitter/Separator Tool is designed to fit a wide range of vertically split 2-stroke and 4-stroke crankcases. Its adjustable arms move with precision to align with different bolt patterns, so you can position the tool quickly and confidently as you prepare for case separation.

Key capabilities and versatility

• Adjustable arms adapt to a variety of bolt patterns, making it suitable for many engine models
• Includes both 6mm and 8mm mounting bolts for flexible setup
• Safely pushes the crank assembly out of the case halves, helping you separate the halves without prying
• Designed to work with most vertically split crankcases for 2-stroke and 4-stroke engines

In the workshop, you’ll notice the feel of a tool built for routine use. The arms glide into position with controlled movement, and the mounting bolts seat securely, giving you a stable point of reference as you apply even pressure. The result is a cleaner separation process, less risk of scuffing or warping the case surfaces, and a clearer path to inspect and service bearings, seals, and gears.

What’s included and how to set up

• 6mm mounting bolts for compatible bolt patterns
• 8mm mounting bolts included for broader engine compatibility
• Durable construction designed for repeated use in shop environments

While the tool is straightforward to use, take a moment to verify bolt positions and clearances before applying force. In practice, the splitter can help you begin the separation process smoothly, then you can continue with your standard teardown steps. This approach supports efficient workflow without rushing the job or compromising internal tolerances.

Tips for best results

• Prepare your workspace, secure the engine, and remove all fasteners before starting.
• Double-check bolt pattern alignment before applying pressure to avoid misalignment.
• Use steady, even pressure and stop if you feel unusual resistance.

In sum, the Tusk crankcase splitter offers a practical, adaptable solution for mechanics who regularly work on vertically split crankcases. It supports a careful, controlled approach to case separation, paired with the flexibility to accommodate a range of engine families. Consider it as part of a thoughtful toolkit designed to keep your rebuilds moving forward with confidence.