We currently have 2 products available for first generation DSM owners. The following links provide a great resource tool for more detailed information, for new customers, or for customers who are troubleshooting problems.
Not sure what you need to start datalogging? You can learn more here.
Customer review:
PocketLOGGER for DSM:
I just picked up a PocketLOGGER for my '90 GSX and am loving it. It runs off of a PDA (Palm, Handspring, Clie, ...
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-Nathan A., Duluth, MN