Re: original rear wheel size and sprockets

Posted by Re-run on Mar 18, 2012; 3:02pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/original-rear-wheel-size-and-sprockets-tp3836601p3836675.html

The original on a 74 was 18/48 but that ration is quite poor and loads the engine and can actually get worse mpg. Switch it to a 17/48 instead.
The rear wheel is a 18 inch rim. The metric tire size would be 120/90 - 18.