Question about Harley Davidson FLSTF Fat boy Motorcycles

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How to repair crack in engine case

Crack is causing oil leakage. Crack is 3/4" long. Crack is located at the bottom of the engine case, next to the bottom of the bike frame.

Posted by Anonymous on

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  • Harley Davidson Master
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Hi Anonymous, it can be repaired by an experienced aluminum welder but you will probably have to remove the engine. The best thing to do is call your local dealers service department or reputable shop and ask them if they can do it or recommend someone who can. But no matter who does it make sure they disconnect and isolate with tape or heat shrink the battery cables if the repairs can be done with the motor in the frame, as not to fry you electronics. Good luck

Posted on May 17, 2015

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Posted on Jan 02, 2017

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SOURCE: cracked frame

Suzuki replaced my frame about a 1.5 years ago.I was 3rd owner,9000 miles on bike,all stock and original except pipes.The only drawback was I had to pay for the labor,which was about a $1100. I knew the mechanic at the shop and they let me do the labor myself.The frame was cracked on both sides where the radiator mount screw into the frame.

Posted on Nov 20, 2008

  • 69 Answers

SOURCE: I?m buying a 2000 Suzuki GSX 750 that was laid down

HI, I had a 2002 gsx600f, pretty much the same bike and I let a buddy of mine ride it and he came back with the oil pan cracked, turned out he tryed to ride a few wheelies on it and upon one of the landings the weight of the bike actually cracked the oil pan, they are extremly heavy compared to other sport bikes on the market. Ive never heard of an oil pan just cracking, more then likely it was user error.

Posted on Mar 08, 2009

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SOURCE: crack in oil sump of honda magna 1996

chemical metal / epoxy weld
you get all sorts of different types in tubes for different applications.
make sure the one you choose is suitable for all metals and is heat resistant, most are non porous.

i stupidly cracked the sump when jacking up my bike to remove the forks DOH!

bike has been leak free for a few months now- beats getting a new sump. hope this helps!

Posted on Mar 24, 2009

  • 200 Answers

SOURCE: crack in my yz 125 2001 crank case

You know aluminum can be welded very successfully now, so best bet is to remove that case and take it in to a good welder..You can ry the quick fix (JB Weld) is what i recommend, but success is rare !....good luck to you my friend...Tim

Posted on May 10, 2009

ollie reece
  • 1167 Answers

SOURCE: KX60 2001,losing oil from crank casing and won't start.

hi mate take it to a descent welder who can weld aluminium and when welded fill it back up with light gear oil and also the bike will start with no oil but if ran too long the gearbox will seize and will cost you a engine rebuild normally 300 pounds ++ so get it sorted asap good luck

Posted on Jul 23, 2009

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