Posted July 30, 201015 yr Hi, just finishing rebuilding a YDS3 and can't find the chain size or tyre pressures, anyone know them, also where I can get a copy of the owners handbook that was supplied as new with them. Cheers, ageingoldrocker
October 30, 201014 yr Hi, just finishing rebuilding a YDS3 and can't find the chain size or tyre pressures, anyone know them, also where I can get a copy of the owners handbook that was supplied as new with them. Cheers, ageingoldrocker The chain is 525 size, 92 links. 525 chain is now considered a quite heavy-duty size, and one can obtain an O-ring type that will last forever on a YDS3. As to a manual, I can only suggest eBay. Alasdair at YDSparts.com might also know of a source. Here's US site that is dedicated to old Yammies: http://www.vintage2strokes.com/index.html Cheers, as well.
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