how to tell if a motor is seized? with pictures

Weldangrind · 09-05-2010, 03:53 PM

It is indeed a two stroke, and I see now that I misread your prior post. When you said "Usually you only see roller bearings in the bottom ends of 2 cycle engines", I was thinking that you meant only the big end.

Now I see that you meant both ends of the connecting rod. I believe we are now on the same page. Your description of rollers in a two stroke vs. babbit in a four stroke makes perfect sense. How else would you maintain a hydrodynamic wedge between the bearing and journal in a four stroke?

09-05-2010, 03:53 PM	#38
Weldangrind Join Date: Mar 2009 Location: Sardis, BC, Canada Posts: 25,977	It is indeed a two stroke, and I see now that I misread your prior post. When you said "Usually you only see roller bearings in the bottom ends of 2 cycle engines", I was thinking that you meant only the big end. Now I see that you meant both ends of the connecting rod. I believe we are now on the same page. Your description of rollers in a two stroke vs. babbit in a four stroke makes perfect sense. How else would you maintain a hydrodynamic wedge between the bearing and journal in a four stroke? __________________ Weldangrind "I figure I'm well-prepared for coping with a bike that comes from the factory with unresolved issues and that rewards the self-reliant owner." - Buccaneer
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