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  1. Raptor 660 Popping and falling on face after minimal revs - did reverse and PB bypass and had carb rebuilt and tuned - at a loss

    General 660 Discussion
    I bought a Raptor 660 a few weeks ago Yamaha Racing I did these things to clean it up: Oil Change/Filter Change K&N filter clean and oil Spark Plug Change Coolant flush and change When filled with fuel, the carbs would dump so I sent to a mechanic who rebuilt the carbs He started it and it...
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