outdrive gear count

[BigDog98]

How can i figure out the out drive ratio by counting the gears? Is there any way to figure out the ratio using some kind if formula? EX : 23 teeth = 1.64r . Thanks

 

[Bondo]

Re: outdrive gear count

How can i figure out the out drive ratio by counting the gears? Is there any way to figure out the ratio using some kind if formula? EX : 23 teeth = 1.64r . Thanks

Ayuh,... They're All listed up in Don'S Adults Only section at the top of the forum,...

 

[BigDog98]

Re: outdrive gear count

Ok. Thanks

 

[BigDog98]

Re: outdrive gear count

Ayuh,... They're All listed up in Don'S Adults Only section at the top of the forum,...

Bondo, Could Ya please guide me to were it is? I could not find it there. Thanks

 

[Fun Times]

Re: outdrive gear count

Bondo, Could Ya please guide me to were it is? I could not find it there. Thanks

We'll also need to know what drive your looking for if you want a chart. The info can also be found in the service manual of the model your interested in.

Here's one that Bondo was mentioning,
http://forums.iboats.com/mercruiser...n-mc-1-thru-alpha-i-gen-ii-drives-586050.html

 

[UncleWillie]

Re: outdrive gear count

What Drive do you have? They are all different.

Mercury Alpha 1, Gen 2, Gear Tooth Counts.​
Overall Ratio​	Upper Drive​	Upper Driven​	Lower Drive​	Lower Driven​
2.40​	20​	24​	14​	28​
2.00​	24​	24​	14​	28​
1.98​	20​	24​	17​	28​
1.81​	17​	19​	17​	28​
1.62​	24​	24​	17​	28​
1.47​	22​	20​	17​	28​
1.50​	20​	16​	17​	28​