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X crossing 2nd gear set and 3rd gear set.

Clutch, Transmission, Drive Chain, Sprockets
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Tim Allman
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Location: Guelph, Ontario, Canada

Re: X crossing 2nd gear set and 3rd gear set.

Post by Tim Allman » Mon Aug 05, 2024 6:47 am

I'm sorry but I have no knowledge of this modification on anything but the CB72/77. It should be possible to do but I don't know whether you would want to.

johnniespeed
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Location: Sparta Michigan

Re: X crossing 2nd gear set and 3rd gear set.

Post by johnniespeed » Mon Aug 05, 2024 1:41 pm

Tim, thanks for your reply, yes it is possible on both the CB77 and CA 77.
I have confirmed by multiple accounts there is a distinct advantage to do this on a CB77, but have not confirmed there is an advantage to perform this on a CA77.
Probably those that know are pretty old now and may not visit forums, those that are young and know may also not go onto forums but social media groups instead.
The thrill of speed overcomes the fear of death.

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Tim Allman
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Joined: Tue Dec 02, 2014 9:25 am
Location: Guelph, Ontario, Canada

Re: X crossing 2nd gear set and 3rd gear set.

Post by Tim Allman » Tue Aug 06, 2024 6:06 pm

johnniespeed wrote:
Mon Aug 05, 2024 1:41 pm
Tim, thanks for your reply, yes it is possible on both the CB77 and CA 77.
I have confirmed by multiple accounts there is a distinct advantage to do this on a CB77, but have not confirmed there is an advantage to perform this on a CA77.
Probably those that know are pretty old now and may not visit forums, those that are young and know may also not go onto forums but social media groups instead.
Hey! careful about cracks about old people! ;-)

johnniespeed
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Joined: Tue Jul 30, 2024 7:30 am
Location: Sparta Michigan

Re: X crossing 2nd gear set and 3rd gear set.

Post by johnniespeed » Wed Aug 07, 2024 5:26 am

Tim, been riding Hondas since the 1960's, so old people are fair game when you are one,,,,,,,,,,hahaha
The thrill of speed overcomes the fear of death.

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Tim Allman
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Posts: 468
Joined: Tue Dec 02, 2014 9:25 am
Location: Guelph, Ontario, Canada

Re: X crossing 2nd gear set and 3rd gear set.

Post by Tim Allman » Sat Aug 10, 2024 10:06 am

johnniespeed wrote:
Wed Aug 07, 2024 5:26 am
Tim, been riding Hondas since the 1960's, so old people are fair game when you are one,,,,,,,,,,hahaha
:-)

redblk63
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Joined: Mon Oct 15, 2007 5:16 pm
Location: pasadena, california

Re: X crossing 2nd gear set and 3rd gear set.

Post by redblk63 » Fri Sep 13, 2024 10:21 pm

To answer your question, you need to make a table for your CA of the standard and crossed ratios like the one Tim Alman included in his post. Then look at the ratio gaps when shifting. As you have heard from others, for me it was a BIG improvement for my CB77.

I liked the fact both second and third gears were lowered. It became more comfortable to shift from 1-2. With standard gearing, a downshift from 4-3 while climbing left me still overheated since 3 and 4 were do close.

If you can tell us the tooth count on all 8 of your gears I’d be happy to make such a table for your CA. I already have the spreadsheet set up.

Larry

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