Yamaha 3.5 hp problem

Iku

Recruit
Joined
Jul 25, 2008
Messages
1
My Yamaha 3.5 hp outboard starts very easily when it?s cold but if it runs about 10-15 minutes and then stop the motor, it doesn?t starts before it?s cold again. Is it ignition or fuel problem? Any idea?
Engine is 2-stroke and obviously model year is 1980.
Sorry for my bad english.
 
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