I recently acquired a 741 front frame that has neck issues; I am guessing this frame was a donor & gave up its neck for another project. Someone half-fast welded on a different neck (with slight 'rake') with bubble gum/seagull sh*t welds. I am going to remove the neck and evalaute what is salvageable.
My questions are, what is the measurement of the tope tube, from neck casting to seat casting?
Stated another way, how much tube is exposed between those two castings?
What is the length between castings on the tube that runs from lower neck to front of motor?
Thanks in advance. Also, which rears will bolt up to 741? does 640?