need help with my yfz please!

[austin300ex]

i have a bone stock yfz450 and u need to put 91 octane or higher well i have ran 87 in it a couple of times becuase my buddies had some in his can when i ran out but now been using 93 and always have cept for when i run out of gas with my buddies do u think i have hert my yfz450 it runs like a bat out of hell stil but when in nutreal and u slowly rev it pop when the engine accelerating please help guys

[lost boyz]

NO you didnt hurt anything ....

the cheap octane gas might of had water in it NOT saying from you but i know local gas station near me add water to there gas...

but no just stick to 93 if thats what makes it run better i know several guys that had the same problem drain the gas and add new better octane and you should be fine!