The difference in the motor mounts for the most part is the spacing on the beams. If you have a YS 140 mount and an OS 140 mount the Isolator is basically the same. Sometimes Merle sticks a flat spot on the top of the isolator to accommodate the rear exhaust 2 stroke motors. Not sure if he is still doing that or not. But the rubber content and the way the isolators are made are basically the same.

The question becomes what is the width of the case and are the Beams spaced properly. The OS and YS are the same physical dims. My guess the Saito 150 should be in the ball park also...

But Merle can make you a custom mount specifically for the motor.


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TN