Slots on fairing panels - Yamaha FJR Forum : Yamaha FJR Owners Forums
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post #1 of 8 (permalink) Old 05-22-2020, 05:50 PM Thread Starter
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Slots on fairing panels

Hello all . Quick question , anyone have an idea what the two slots are on each side at the edges of the plastic covers on the battery and the left side , mine is a 2013 .
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post #2 of 8 (permalink) Old 05-22-2020, 06:19 PM
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I have wondered also I guess water drainage

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post #3 of 8 (permalink) Old 05-22-2020, 07:08 PM
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post #4 of 8 (permalink) Old 05-22-2020, 09:15 PM
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Pressure relief ports due to the bike being so fast.

Air rushing under the headlight area needs to have an exit point or all the bodywork would just explode and fly off. So Yamamaha engineered those 4 forward slots ( 2 on each side ) to let said air escape from within the upper cowling.
As such, it also creates a low pressure area which in turn helps hold the bike to the pavement instead of wanting to take off like a jet.
Ducati has winglets..... FJR as PRP slots.....


or drainage holes as COG posted....
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post #5 of 8 (permalink) Old 05-22-2020, 09:17 PM
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They are ports on the Root Beer ones to allow some of the excess horsepower to escape so the red ones can keep up......
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post #6 of 8 (permalink) Old 05-23-2020, 10:59 AM
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They are ports on the Root Beer ones to allow some of the excess horsepower to escape so the red ones can keep up......
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post #7 of 8 (permalink) Old 05-26-2020, 08:06 PM Thread Starter
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But Ray , mine is grey ...🤔🤔🤔
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post #8 of 8 (permalink) Old 05-26-2020, 11:17 PM
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Quote:
Originally Posted by Rumblestrip View Post
Pressure relief ports due to the bike being so fast.

Air rushing under the headlight area needs to have an exit point or all the bodywork would just explode and fly off. So Yamamaha engineered those 4 forward slots ( 2 on each side ) to let said air escape from within the upper cowling.
As such, it also creates a low pressure area which in turn helps hold the bike to the pavement instead of wanting to take off like a jet.
Ducati has winglets..... FJR as PRP slots.....


or drainage holes as COG posted....

And that's your story . . .

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1984 GPz750
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