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FJR Motorcycle Forums
Technical & Mechanical Problems
Different take on air box modification
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<blockquote data-quote="Armand" data-source="post: 949939" data-attributes="member: 28496"><p>exskibum</p><p></p><p>Posted 03 April 2012 - 08:15 AM</p><p></p><p>View PostSkooterG, on 02 April 2012 - 07:43 PM, said:</p><p></p><p>In the end, who knows? I am sure the Yamaha engineers put it there for some reason. I am hesitant to make changes to modern engine designs as I am not one to presume to know more than the engineers who designed the motorcycle.</p><p></p><p>+1</p><p></p><p>View PostSkooterG, on 02 April 2012 - 07:43 PM, said:</p><p></p><p>But, after 15 or so air filter changes and always seeing the uneven dirt accumulation, I just couldn't get off the, 'that just ain't right' thinking and decided to give some modding a try. One thing I definitely DID accomplish was even dirt accumulation on the air filter.</p><p></p><p>Maybe taking it out periodically during the filter's service life and turning it around would yield the same results?</p><p></p><p>The even dirt accumulation is a good sign. What Skooter, others, and I noticed was that before air box modification dirt accumulated on the back end of the filter, while the front(blocked by inlet tube) remained relatively clean. The evening of accumulation shows that the mod is exposing more of the filter to incoming air, which should allow the throttle intakes easier access to the air.</p></blockquote><p></p>
[QUOTE="Armand, post: 949939, member: 28496"] exskibum Posted 03 April 2012 - 08:15 AM View PostSkooterG, on 02 April 2012 - 07:43 PM, said: In the end, who knows? I am sure the Yamaha engineers put it there for some reason. I am hesitant to make changes to modern engine designs as I am not one to presume to know more than the engineers who designed the motorcycle. +1 View PostSkooterG, on 02 April 2012 - 07:43 PM, said: But, after 15 or so air filter changes and always seeing the uneven dirt accumulation, I just couldn't get off the, 'that just ain't right' thinking and decided to give some modding a try. One thing I definitely DID accomplish was even dirt accumulation on the air filter. Maybe taking it out periodically during the filter's service life and turning it around would yield the same results? The even dirt accumulation is a good sign. What Skooter, others, and I noticed was that before air box modification dirt accumulated on the back end of the filter, while the front(blocked by inlet tube) remained relatively clean. The evening of accumulation shows that the mod is exposing more of the filter to incoming air, which should allow the throttle intakes easier access to the air. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Different take on air box modification
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