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Posted on May 31, 2011
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Hi i have a starange sound on my 1998 ktm 620, its lyk a knock sound, any help would be thankful

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  • Posted on Jun 17, 2011
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Knocking type sound starts when a vehicle is run in high gear at low speeds for a long time or when you do not warm up the cold engine before taking off and make it a habit. The engine has to retaliate in some way.The crankshaft side of the piston rod needs doing up as it gets loose/warn out. A visit to the workshop is called for.

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  • Contributor 20 Answers
  • Posted on May 31, 2011
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Check your oil of full you might have a rocker loose you might won't to take it to a shop or just grab a book on your bike and have at it. It's not that hard of a job just time consuming ....good luck.

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