Possible alternative part for 1/2 price
These are fine as belt replacements.<br />Looking at my original belt, it states &#34;Pioneer 61 MXL&#34;<br />This is a 6.1&#34; belt with 76 teeth at an MXL-sized tooth pitch (per Google search)<br />You can find an equivalent from Gates, directly from Amazon: search 61MXL012<br />This is a 1/8&#34; width belt (same as here) with the same gear tooth pitch for half the price (&#60;$5), with free shipping if you meet Amazon minimum order amounts.<br />(&#34;MXL&#34; defines the spacing on the belt 'teeth')<br /><br />While I have NOT purchased one myself, this is what I'll buy when I have an SV780 needed a new belt (we have two of these vacs at home)<br />I will also look up/measure the gears inside when I get the chance and can provide info on those as well; you'd need a micro hex key most likely to secure it onto the motor (if an equivalent size is available)<br /><br />Also, on one of my older vacs, the belt would slip off the main teeth on the motor gear and lose traction, so the brush would no longer spin. I fixed this with a couple rubber washers (about 1/2&#34; dia, ~1/8th and 3/16ths hole sizes. They easily pop on over the gear end, and keep the belt running straight over the gears.
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