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Vintage Kyosho servo specs

Posted: Sat Jun 05, 2021 9:15 pm
by BattleTrak
I have some old Kyosho servos that I am lining up for restorations. KS-88a, KS-88b, KS-91 & KS-100 (late 80’s-early 90’s) ..and can’t find specs for them. Checked the servodatabase, the Pulsar manual, Kyosho catalogs.. I DID find specs for the “KS-88” in the Pulsar Pro 2000 feature in the August 1987 issue of RCCA, but that’s it. Any other info would be appreciated!

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Re: Vintage Kyosho servo specs

Posted: Sun Jun 06, 2021 9:10 am
by juicedcoupe
I found this
Phin wrote: Sat Mar 24, 2012 8:32 pm Actually already figured out what this servo is but figured I'd add to Google's database so the next guy that searches the internet gets better info on it than I did.

ks91servo.jpg

Googling based on the KS-91 model number vaguely suggests this is a Kyosho servo but no specs or official reference can be found anywhere for a Kyosho KS-91 servo.

After opening the servo up I know why...the branding on the chip and serial numbers on all the parts reveal this "Kyosho" KS-91 is a re-branded Hitec HS-300.

http://www.servodatabase.com/servo/hitec/hs-300

Re: Vintage Kyosho servo specs

Posted: Fri Jun 11, 2021 11:15 am
by Sparbolt
I have a complete Pulsar setup.... Way back when, I got the Duratrax BB conversions for the servos....