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DIY Ram-air

https://www.yamahar.co.uk/viewtopic.php?t=334

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DIY Ram-air

Posted: Mon Dec 17, 2012 12:22 pm
by Luke03R1
Anyone tried this or seen before and after dyno results :think:


Yamaha R1 Performance Upgrade

Yamaha R1 Performance Upgrade
Extra 6-8 horsepower with si…login to view the rest of this post
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