How can you tell wear on a crank?

[wizeass2005]

How do I know if this is any good or not? And what brand is it? any help would be greatly appreciated. Thanks Corey

[wizeass2005]

Also are those bite marks gonna mess anything up?

[AKheathen]

well, basically, you get out your feeler gauges and a mic. measure rod side clearance with the feeler gauge, then you have to measure the up-down play in all the bearings. basically, if you grab it squarely without rocking and can feel any, then it's probably out of spec.....

the taper looks like it was already resurfaced to seat the flywheel squarely by the pics, but take a little strait edge and run it around the taper to see if it's square.......other than that it should seat just fine

[wizeass2005]

Thanks heath any idea what brand? and is this a good deal for $200

[baker]

Thanks heath any idea what brand? and is this a good deal for $200

i wouldnt call it a good deal,get ahold of nyuk on here i got a nice wiseco crank off him drop in ready for 175, and i just bought a whole bottom end for 200

[sleeper06]

What does the keyway slot look like,just by looks I wouldnt throw it in,it needs to be checked on v-blocks for true,is there pitting on rod bearing,is it still shiny or bronz,have the rod pins moved at all,send it to a proffesional or call NYUK like someone else said hes a reputable sellar on here and a nice guy

[papa_smurf49319]

id stay away, all those marks on the taper are stress risers!

[wizeass2005]

forget about that crank I am just gonna do it right and get with jeff at F.A.S.T

[sleeper06]

Even better ,jeffs my choice for new parts,especially the heart of the motor