81 50hp cracked block

[bj_sen]

Have a 81 50hp electric start Johnson with a cracked block. I need to know what years are compatable to find a donor block.

thanks

 

[tashasdaddy]

Re: 81 50hp cracked block

BRP says these are all equivalent:
Part Number: 0389357
Description: CYL,C-CASE AY
Pack Qty: 1
Dimensions: 19.50 x 15.50 x 14.00 (in)
Weight: 29.46 lbs
Equivalent Parts: 0392633,0395359,0395547

 

[Dhadley]

Re: 81 50hp cracked block

Where is the crack?

 

[bj_sen]

Re: 81 50hp cracked block

There is actualy one crack and one hole (about the size a golf ball). Both sections of the crank case is damaged.

Thanks for your help with the part numbers.