Both my blasters knock real bad. 1 is a 2004 with maybe 20 hrs on it. the other is a 98 i believe bored 30 over with untold amount of hrs.
Is it really inherit of the blasters or Yamaha. Thanks in advance for your insight.
Also i want to get rid of the oil feed and pre mix. How would i go about that and or how much will it cost to have it done.
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There are block-off kits if you want to go with pre-mix. Google Blaster and oil and see what you come up with. Personally, I liked the automatic oiler, but they have been known to fail.

My first quad was a Blaster...tons of fun! I don't recall any "knocking". Can you be more specific??? We aren't talking pre-ignition knocking are we???

 

Know this is just a knocking like a continues tac tac tac