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simonRribeiro

sthill FS450 Vibration

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hi

 

I have a fs450 that works and runs great but has a vibration that I can feel through the handle bars and the hole machine in general.

I have swopped the head from another machine and it is still there, I have fitted a new drive shaft and shaft liner and the vibration is still there.

 

the vibration is bad enough that using the machine for more than 15mins becomes uncomfortable/painful.

 

I am now thinking that the crankshaft may be bent !

 

just wanted any second opinions before I start tearing the engine apart

 

any help would be much appreciated !

 

 

thank Simon

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A bent crankshaft would either make the engine not run or would significantly scuff the cylinder bore pretty quickly!

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