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View Full Version : Merc 250 efi 3.0L internal parts



jackracing
07-14-2013, 11:47 AM
These parts came out of a 250 EFI 3.0L rebuild. Lost top bearing within 10 minutes of first run. Six pistons,rods,and bearing setups....... Heads and crank... pistons,rods and bearings literally have 10 minutes of run time. Crank has some damage to top bearing race, may be able to be repaired? $500.00 Call or text Andy (941)524-9522

TEXAS20225
07-14-2013, 03:52 PM
what kind of pistons? standard bore? take a pix of the top race please sir

2.5-21
07-14-2013, 07:45 PM
are you selling any other parts like midsection etc?

jackracing
07-15-2013, 07:56 AM
promarine pro-pistons, standard bore. top race has wear from the bearing locking up. I have it all packed up already, will take a pic if you are serious.

jackracing
07-15-2013, 07:57 AM
Just the internals, sorry.

sleekcraft sst
07-15-2013, 08:07 AM
Standard bore ? The Piston is stamped .015 right on the top? I like too see pic of top of crank also. Thanks

jackracing
07-15-2013, 05:00 PM
I'll get them out tonite and take pics... I could be wrong I didn't build the engine.

TEXAS20225
07-15-2013, 07:09 PM
Hey thanks for the effort top bearing journal is the worst one to try to fix a lot of places wont even do it, i dont want to pay for shipping something to throw in the trash when it gets here, im serious about buing parts but if its too much trouble to make a sale maybe its not such a good deal to buy something un seen looks like you would have taken a shot of the damaged area with a close up plus your not sure of all the piston sizes are you selling for someone

jackracing
07-15-2013, 10:35 PM
Hey sorry guys, I'm not really a motor rebuilder guy...... I didn't build the motor, I saw the new parts go in.... and was on the boat when the top bearing went boom.... put new promarine long block back on.. top journal is damaged.... pistons never had a chance to get carbon on them... nor did metal go through engine... Sleekcraft says their .015 over... I'll get pics & sizes of whatever you want...

TEXAS20225
07-16-2013, 07:32 AM
pics of piston tops or check to see if the tell tale .015 is stamped or cast in the tops of them and crank journal please

jackracing
07-17-2013, 11:18 AM
.015 on all six pistons, and pics of crank race.

jackracing
07-17-2013, 11:19 AM
pictures sent....

TEXAS20225
07-17-2013, 01:35 PM
pm sent the cranks can be bought off ebay for less then having it repaired plus two ways shipping thats shippin to me then to CA and back

jackracing
07-18-2013, 07:01 PM
sent back p.m.