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Checkmates early 70’s .. MX13/80 short shaft and MX15/1500XS
http://ww.w.hpbc.ca/viewtopic.php?f=21&t=4776
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Author:  Hounddog [ April 16th, 2025, 11:55 am ]
Post subject:  Checkmates early 70’s .. MX13/80 short shaft and MX15/1500XS

Back in their day these were two very fast combinations. One noticeable difference is the better props . Back in the early 70’s here in Ontario Canada you were lucky if you could find and purchase even a two blade stainless mercury prop. You got a lot of shaking and vibration getting on plane with the two blade props, but they ran well once they were on plane.

MX15 Mercury 1500XS
https://www.youtube.com/watch?v=gJvcWEom8oU

MX13 80 hp Mercury Short Shaft
https://www.youtube.com/watch?v=ZVfLacl ... 4JAYcqIYzv

https://www.youtube.com/watch?v=EWNWwJj1lG0&t=153s

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