Cracked Crank Case - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 23 Old 03-22-2014, 10:25 PM Thread Starter
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Cracked Crank Case

I hit a rock with the shift lever link and it bent the shifter rod and broke the housing that supports the shifter rod. I think I will try a temp fix with a new rod and JB Weld but would like a more permanent solution. Wondering if a mechanical (non-motorcycle mechanic type) should attempt a case half replacement. I am not worried about pulling the engine, but I dont know what to expect when the case halves come apart. Can it be done without taking the gears etc. out? Any advise one way or the other is greatly appreciated. Thanks.
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post #2 of 23 Old 03-23-2014, 05:38 AM
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Aluminum repair kits, repair aluminum by welding with a Propane Torch - Alumiweld

I have split the cases on a couple of engines not yet a Strom

I always did get them back by myself

I would be suspicious of the forks with that impact and do some testing to see if she's shifting well

Last edited by richw; 03-23-2014 at 05:41 AM.
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post #3 of 23 Old 03-23-2014, 08:06 AM
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If everything shifts ok and there are no oil leaks, it would take an act of Congress to get me to split the cases!

Even if I had to make a JB Weld or similar repair.

I would probably just shop for a replacement engine. Probably cheaper in the long run and much quicker to get back running.

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post #4 of 23 Old 03-23-2014, 09:00 AM
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Colo, post up some pictures will ya? I don't have a 'strom yet, but does the elbow of the shift lever have a sharp edge? Like the DRZ they might need to be ground down and rounded off so there is less chance of shattering the case on normal impact.
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post #5 of 23 Old 03-23-2014, 07:09 PM
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Quote:
Originally Posted by COLO RIDER View Post
Wondering if a mechanical (non-motorcycle mechanic type) should attempt a case half replacement. I am not worried about pulling the engine, but I dont know what to expect when the case halves come apart. Can it be done without taking the gears etc. out? Any advise one way or the other is greatly appreciated. Thanks.
Crank Cases are a matched pair and should be changed as a pair not just the one side.

A photo would be a big help, I have repaired a few bikes over the years but never on line is it a 650 or 1000

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post #6 of 23 Old 03-23-2014, 08:38 PM
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Have only had one issue with a crank case, and all parties very strongly recommended not to replace 1/2 case....but that was on an experimental airplane. If I have an issue with an engine, much rather it be on a bike, but still want to avoid that, especially at the wrong time.

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post #7 of 23 Old 03-23-2014, 09:36 PM Thread Starter
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Thanks guys, much appreciated help. I have decided to try a JB weld repair to get back on the road for the short-term, and shop for a salvage title Strom with a good engine. I will post some photos of my progress, I have sealed the crank case with JB and am now casting JB gussets to reinforce the repair. More photos as the process goes. Thanks again!
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post #8 of 23 Old 03-23-2014, 11:15 PM
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Cases are "line" bored to match, so should be a matched set. I hit my Devlon skid plate. Put a hole in the case. Welded it up, and jb welded the minor seep that resulted from the porus weld job. Has worked well. The problem with welding on the bike is the heat. you can pop the seal between the cases.

Pix would be good.
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post #9 of 23 Old 03-24-2014, 09:59 PM
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I cracked the case high centering on a boulder with a KTM EXC 300 dirt bike. It took a chunk out and left a hole about the size of your pinky fingernail. I repaired it with a thorough cleaning and JB Weld as a "temporary fix". But after 3 years it was still 100% leak free when I sold the bike.... Don't discount JB Weld.

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post #10 of 23 Old 03-24-2014, 10:30 PM
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Would that be covered by your insurance?
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