88 limited question

[josho281]

quick question ?? my crf 50 valves are not seating properly am i alowed to seat the valves ??? or do i have to throw the head away ??? i wana no so i can race 88 limited

 

[The_GDFP]

Not sure aboot your rules, but rarely would a seat job be a DQ-worthy deal. As long as you don't get crafty and cut the 45, then use a 60 to move the seat all the way to the edge of the valve and 75 to open the throat to 85-90% of face size