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Old 07-25-2012, 12:10 AM   #93 (permalink)
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As far as Yamaha v twin cooling, they use standard air cooling. Most use two side by side connecting rods on one journal. giving them about an inch or two of offset.

The rear cylinders run a bit hotter than the front but so what. Once you commit to liquid cooling you eliminate the differential in cylinder cooling.

When I made my Virago a single carburetor system I paid no mind to uneven cooling. The cylinders fire on opposite revolutions so the single carb is all that is needed. It runs fine and gets better mileage than it did when it was a twin carb bike.
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