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Front view of a black timing and crankshaft turning tool with T-handles, silver hex nut, threaded shaft and ASTA A-MK384 marking.Angled view of black crankshaft turning tool with textured handles, central hub, silver hex nut and ASTA A-MK384 marking.Top/rear angled view of ASTA A-MK384 timing and crankshaft turning tool showing hex bolt, knurled handles, silver nut and slotted threaded shaft.

Motorcycle Timing and Crankshaft Turning Tool for 750cc–916cc Street Bikes

Precision timing tool for valve adjustments and ignition timing on 1990+ motorcycle engines. T-handle design with hex nut coupling.

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Description

Timing and Crankshaft Turning Tool

Brief Overview

This is a specialized turning tool designed for precise crankshaft rotation and timing mark alignment on motorcycle engines. Built for ignition-timing adjustments and valve timing work, it offers the mechanical control needed for accurate engine calibration on modern street bikes. If your shop also services automotive engines, you may want to review our range of comprehensive timing tool kits for multi-engine platforms and specialized crankshaft control systems for broader market coverage.

Key Features

  • T-Shaped Knurled Handles: Dual horizontal grips provide leverage and controlled rotation without slipping
  • Hexagonal Nut Coupling: Silver hex nut secures the tool to the crankshaft mounting point
  • Threaded Stud Shaft: Precision-threaded shaft with slotted end for reliable engagement
  • Black Steel Construction: Durable black-finished steel housing with machined silver components for longevity
  • Compact Design: Robust cylindrical body minimizes workspace footprint while maintaining mechanical stability

Technical Specifications

Specification Detail
Application Timing mark adjustment, ignition timing, valve timing work
Engine Displacement 750cc, 900cc, 916cc
Motorcycle Model Years 1990–Present street bikes
Handle Style T-shaped, dual knurled grips
Shaft Type Threaded stud with slotted engagement end
Coupling Hexagonal nut (silver-finished)
Material Black-finished steel with machined hardware
Design Compact, single-unit construction

Business Advantages for Resellers

Market Demand: Motorcycle service shops require specialized timing tools—this product addresses a specific, underserved niche with strong repeat ordering potential.

Margin Profile: Timing tools command healthy margins due to their precision nature and limited competition in the 750–916cc segment.

Shop Loyalty: Once a mechanic adopts this tool for their workflow, they become repeat customers for replacement units and complementary timing equipment.

Stock Advantage: Lightweight and compact design means efficient warehouse utilization with minimal shipping costs, maximizing profitability per unit.

Why This Tool Matters

Proper ignition timing and valve adjustment require controlled, repeatable crankshaft rotation. This tool eliminates guesswork by providing mechanical engagement at the crankshaft, ensuring degree-wheel accuracy without damage to sensitive engine components. The T-handle design distributes force evenly, reducing operator fatigue during extended timing work.

Closing Statement

A must-stock item for any shop servicing modern street bikes in the 750–916cc range. Straightforward functionality, proven design, and strong demand make this a reliable margin driver with minimal returns.