Transmision Gear Ratio 2GM20F

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Mike Jaeger

To hard to read the name plate with my head upside down. I hope someone can. Thanks in Advance. Someone thought it was 2.63 to 1
 
Jun 4, 2004
834
Hunter 340 Forked River, NJ
Upside down

I have the Yanmar service manual in front of me and it shows that the 2GM20F uses the Model KM2-C transmission. Unfortunately, they list three possible reducion ratios for that transmission(Ahead/Astern): 2.21/3.06; 2.62/3.06; and 3.22/3.06. Guess you will have to hang upside down after all.
 
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