PP Derbi Crank from 1977! (4 replies)

I can't believe I held onto this crank so long before rebuilding. Reading from other threads, ..................

http://www.mopedarmy.com/forums/read.php?7,2883889,2883889#msg-2883889

http://www.mopedarmy.com/forums/read.php?6,2966215,2966215#msg-2966215

............................... I measured the '77 crank, Treats crank, and a stock crank,

[attachment 146122 DSCN3287.JPG]

[attachment 146124 DSCN3278.JPG]

[attachment 146123 DSCN3276.JPG]

77 crank width= 1.668
Treats crank= 1.660
Stock crank= 1.620

Anybody know what I should do? Gonna put the bearings on the '77 crank, and hope it's close to the stocker w/bearings width.