Jaltest JDC641M - Kawasaki 6-Pin Power Supply Adapter for Jet Ski Diagnostics

The JDC641M is a genuine Cojali Jaltest 6-pin diagnostic cable for Kawasaki personal watercraft (jet skis). This cable connects your Jaltest Link to Kawasaki jet ski engines via the 6-pin diagnostic interface, enabling the Jaltest Marine platform to communicate with the Kawasaki ECU for fault code diagnostics, live data, and system-level access. It is included in both the Jaltest Jet Ski Cable Kit (part #29985 and #29986), and is available individually for shops adding Kawasaki coverage to an existing Jaltest Marine setup.

What This Cable Does

The JDC641M plugs into the Kawasaki jet ski 6-pin diagnostic port on one end and into your Jaltest Link V9 on the other. It provides power and communication through a single connection, giving the Jaltest Marine software access to read fault codes, view live sensor data, and perform diagnostics on Kawasaki personal watercraft.

Cable Specifications

• Part Number: JDC641M
• Connector Type: 6-pin Kawasaki diagnostic connector
• Cable Length: 11 inches (approximately 28 cm)
• Application: Kawasaki jet ski / personal watercraft
• Link Version Compatibility: Jaltest Link V8.1 and V9
• System Compatibility: Jaltest Marine (Jet Ski or Full license required)
• MSRP: $125.00

Included In These Jaltest Jet Ski Cable Kits

The JDC641M is a component of both official Jaltest Jet Ski cable kits in the 2025 Jaltest Pricelist:

• Jet Ski Cable Kit Without Yamaha Cable (Part #29985, $585.00) — includes JDC641M plus JDC602A, JDC610A, JDC660M, JDC661M, JDC618A9
• Jet Ski Cable Kit With Yamaha Cable (Part #29986, $690.00) — adds JDC601A and JDC662M to the above

What Jaltest Marine Gives You With This Cable

• Fault code reading and clearing — pull and clear DTCs from Kawasaki jet ski ECUs
• Live data monitoring — real-time engine parameters including RPM, temperature, and throttle position
• System diagnostics — identify electronic faults in Kawasaki personal watercraft systems
• Dealer-level capability — access typically requiring an OEM dealer tool

Who Needs the JDC641M

Any marine shop or powersports technician that services Kawasaki jet skis and uses the Jaltest Marine platform needs this cable. Kawasaki personal watercraft use a proprietary 6-pin diagnostic interface — generic OBD tools will not communicate with these systems. If you run a multi-brand powersports shop covering Kawasaki, BRP SeaDoo, and Yamaha jet skis, this cable works alongside the JDC610A (Kawasaki 4-pin) and JDC662M (Kawasaki key programmer) for complete Kawasaki coverage.

Why Buy From OEM Diagnostic Tools?

OEM Diagnostic Tools has specialized in professional diagnostic equipment since 2016. We carry the full Jaltest marine and jet ski cable lineup, ship free on every order, and provide free tech support from people who know these systems. Call us if you need help figuring out which cables your jet ski shop needs.

Call 866-217-0063 for quick answers and help!