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2012 crf450r common problems

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Hi guys, just wondering if there are any common problems with the crf450r 09-12. Mainly looking for engine problems but any general will be appreciated. Thanks

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2 hours ago, joshyorwin said:

 

Hi guys, just wondering if there are any common problems with the crf450r 09-12. Mainly looking for engine problems but any general will be appreciated. Thanks

 

Did you put a search yet ? There should be threads already.

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I raced a 2009 for six seasons. Changed oil every 4-5 hours and was very regular with air filter maintenance. The valves never moved but at 132 hours I had the head reconditioned but it could have likely lasted much longer. I replaced the piston every 60 hours and had the bottom end replaced at 120. Never had a mechanical issue with the engine or transmission BUT I couldn't keep a clutch in it for more than about 25 hours. I was running a complete Hinson set up and burned through clutches regardless of what brand. That got old fast. 

Edited by Dklassen

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