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05yfz 450 engine noise ?

This is a discussion on 05yfz 450 engine noise ? within the Yamaha YFZ450/450R (2004-Present) forums, part of the Performance /Technical category; i own a 05 yfz 450 ,second owner with low hrs,it sounds to have a engine noise in the top end ,or around the center ...


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Old 01-29-2010, 11:56 PM   #1
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Default 05yfz 450 engine noise ?

i own a 05 yfz 450 ,second owner with low hrs,it sounds to have a engine noise in the top end ,or around the center to lower end of engine,not a rod nock or piston,it sounds like valve train or bottom end ,when given throtle it does not get worse,is this normal for these engines ,i was told by several that they will produce a little noise ,that this is normal,,the bike runs verry,verry strong .verry responsive,thanks to all
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Old 01-30-2010, 10:13 AM   #2
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wear a helmet, it makes it quiet...

other wise, yes, you can hear a lot of noise from these engines, usually valve noise, and you hear it more when you have the seat off, or the air box lid removed. etc.

keep on riding.
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Old 01-30-2010, 02:40 PM   #3
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Agreed, you will hear a lot from these motors, just listen for changes and go have fun.
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