where can i find a manual for a gas string trimmer made by ryobi 780r model. Please help. thanks.?

i had a problem on a fuel air ratio adjustment. It's hard to start when the trimmer it's get cold. and when it start you can't even used it. Do i need to replace the carburator?

Answers:
this is the place I would go. ryobitools.com/index.php/servi... luck

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