romjag Posted July 21, 2009 Share Posted July 21, 2009 We bought our son a older Yamaha as his first 'project'. The sellers had let us know it probably needed a new piston/rings - I was trying to find these for him, but I'm getting conflicting information out there on exactly what year/make this bike is....it says: AT1 - 171537. Is it indeed an AT1? Someone thought AT2. 1970?71? Any help to get this 12 year old started would be greatly appreciated! Thanks! Link to comment Share on other sites More sharing options...
Moderator drewpy Posted July 21, 2009 Moderator Share Posted July 21, 2009 what says AT1 - 171537, the chassis number? Link to comment Share on other sites More sharing options...
romjag Posted July 21, 2009 Author Share Posted July 21, 2009 what says AT1 - 171537, the chassis number? On the frame and on the engine (????) I wish I could help him more...I really thought it was an AT2, '72, (Can you tell I have no clue), but in looking, looks yellow to be original color.... Link to comment Share on other sites More sharing options...
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