2016 Yamaha wr 450 tech questions and answers

My question, just put around 850 mi on my bike and started hearing this whining sound from the engine area seems like it does it more going downhill also seems like it is lasting longer 15 30 seconds lkn for some thoughts on this

My question, just put around 850 mi on my bike and started hearing this whining sound from the engine area seems like it does it more going downhill also seems like it is lasting longer 15 30 seconds lkn for some thoughts on this

 

Not enough information.

 

Have you ever checked/changed the oil, adjusted the chain, followed the recommended service intervals ?

 

The only known 'squeal' problem is the front speedo drive loosing all it's grease.......

Edited by KRANNIE

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