question about my 1989 yamaha blaster?

slammy

New member
about 2 years ago i bought this 89 blaster i had to put a new piston in it and everything cuz i got it real cheap it wasnt running at the time now since ive gotton it i myself have blown the piston 4 times now i dont ride that hard and i know im not putting to little oil in the gas so i cant figure it out my 4 stroke has never had any problems especially compared to the blaster now i know theres a huge difference between the two so dont try explainin that to me i already know..... now when i bought it i realised the idiot who owned it last drilled holes into the cylinder now someone told me that he probably tried making worm holes or somethin to give it more power but that sounds like a load of crap to me... now im wondering if that could be causing the piston to get jacked so do you guys think i should just replace the top end or should i just get rid of this thing....

as of right now it runs and has a new piston but i dont like riding it to much because i dont want to blow another piston someone also sugested to me going up a size on the main jet in the carborator
would this help it or what
 
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