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Discussion Starter · #1 ·
Had a good search and can find no definitive answer on this so here it goes ...

After having the Alta installed today, at certain revs there is a distinct chirping/whistling at certain throttle loads this is very evident, but as the revs increase it goes ....

I have found the thread about the breather hose and that has been checked and is fine, however is this noise normal for the alta, or have I done something wrong :confused:
 

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Official Pimp of Mini2
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Two of my homies (Scooby212 & NickB) have recently installed the Alta in there S's and I think the whistling is completely normal with it on...
 

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Mini Mod
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Yep. Mine is just when you do a slight throttle input.

Oddly, now that I have v39.1 and a UniChip it does it less.
 

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Discussion Starter · #4 ·
Thanks guys, thought I might have pinched a pipe or something during the install.

IT is only on little throttle inputs so I will class this as completely normal :)
 

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my ponies have escaped!!!
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4,955 Posts
Dont worry mate we have same as rich says

we thought something wasnt tight enough or had a hole in it

but after we both fitted them and tested them the sound was the same

;)
 
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