question about my 1989 yamaha blaster?

music468

New member
i have an 89 blaster it is bored out .50 over the guy i got it from put worm holes in the cylinder.it has an fmf fatty pipe umm i put a 270 jet on it when i got it... it has ran fine up til now...the problem is that its a real b*** to start when it does start it boggs completly then ill mess with the carb settings and i have gotton it to where it will run perfectly in full throttle but i have to keep it there for it to run.i use a 32to1 ratio
in the gas and i just cant figure out the problem i have also completly disassembled the carb and cleaned it out someone sugested to me to put a different jet size but i dont know whether to go up or down

any help or suggestions would be appreciated
 
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