RE:cb trans ratios????
(Date Posted:04/07/2008 8:04 PM)
According to the early Honda Factory shop manual, A:: of the early 100s had the same trans ratios and the CB125 also had the same ratios. The CD125 had only a 4 speed and the SL125s had a wider ratio box with a lower first gear and a higher 5th gear. Don't know about the CD125, but the SL125 and the 100 gears would swap if you swapped the pairs, such as 1st gear set and 3rd gear set etc...I ran the 100 1st gear set in my 125 because of the big ratio gap from 1st to 2nd gear in the SL125 box. 2nd gear was the same ratio in all the boxes.
Swiss
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