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New Yamaha 15fmhs break in

Hamster1221

New member
Just purchased a new 2020 Yamaha 15fmhs, dealer told me in shop to break in with petrol/oil ratio of 50:1 but the manual says 25:1.
Any advice on what I should go with?
 
Is this a 4 stroke ?-----Strange that you would mix gas and oil to " break in " a 4 stroke.-----In my opinion break in is hardly needed with precision manufacturing of today.
 
Last edited:
Is this a 4 stroke ?-----Strange that you would mix gas and oil to " break in " a 4 stroke.-----In my opinion break in is hardly needed with precision manufacturing of today.

Thanks for reply,
Its a 2 stroke manual says 25:1 to break in and then 100:1 after that
The Yamaha dealer said 50:1 then 100:1
 
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