RCU Forums - View Single Post - YS61ST vs. YS61ST2

12-04-2002 | 04:53 AM

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UPSDOC1

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From: Costa Mesa, CA

YS61ST vs. YS61ST2

I have two new YS61ST engines, and was wondering what the difference was between them and the newer YS61ST2.

Can the older engines be upgraded?

Thanks

Alex

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