ca77 gear swap

oldbikedude · Post by **oldbikedude** » Sat Jul 18, 2015 7:36 am

Hello, I have searched for my answers & found a lot of great info but I am still unsure. I was hoping someone "in the know" would be patient with me and answer a few questions. I have read about the 2nd / 3rd gear swap. Are folks swapping the splined sliding gears or the gears that use the cotters. I read in my copy of Bill Silvers engine repair guide that this will work in a CA Dream as well but the ratios are different. Has any Dream owners on here done this swap & how do you like the change. I happened to have a new spare 28t 2nd counter shaft gear & was wondering if that could replace the 27t 3rd. If that is possible what would that do to the ratios. I am not looking for exact calculations just real experienced explanations. Thanks in advance for everyone's help.

OldStan · Post by **OldStan** » Sat Jul 18, 2015 10:36 pm

In my opinion there is no reason to swap gears on a ca77. They are evenly spaced to start with. I did cross the gears on my cl77, this put the spacing about equal to the ca77.

oldbikedude · Post by **oldbikedude** » Sun Jul 19, 2015 12:45 am

Thanks Stan....I didn't know if it was worth doing or not. Thanks for your opinion.

G-Man · Post by **G-Man** » Sun Jul 19, 2015 1:31 am

My graph, below shows the ratio change and spacing with "X'-d gears compared with regular setup.

You can see that the Dream ratios do not change very much on "X"-ing.

G

oldbikedude · Post by **oldbikedude** » Sun Jul 19, 2015 9:20 am

Wow, thanks G-man....that is a great chart. Thanks for sharing your knowledge. I'll be leaving my ratios alone.

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ca77 gear swap

ca77 gear swap