LT80 Boyensen power reed - ATVConnection.com ATV Enthusiast Community



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Old 08-04-2016, 05:32 PM
Trailblazer
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Join Date: Feb 2012
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Default LT80 Boyensen power reed

Looking for a bit of help here. Rebuilding the top end of a new me to LT80. I have other posts in the 'kids quads' section.

I picked up a set of Boyensen power reeds, but I've never changed reeds before. The kit contains two reeds one with a large hole in it with a piece of reed valve extending into the center section. The other reed valve looks normal shape. Which way do I install these on the reed cage? I mean which one goes on top?

Thanks!


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Old 08-04-2016, 07:10 PM
Off Road Builderaholic
 
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Location: Crawlorado
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the one with the large opening goes on first, so it is against the metal reed cage
Then lay the solid (flapper) one on top
followed by the stock metal bit that only allows the flaps to open so far

Now the carb vacuum will pull the flap open and allow air to flow

I just installed these on my LT80 build I took some pictures, however they are not of huge help here

https://atvconnection.com/forums/suz...list-find.html

from left to right install the parts in that order, 2, 1, 3 if that makes sense

please ignore the camo crocs



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  #3  
Old 08-04-2016, 07:20 PM
Trailblazer
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Thanks for the reply! This is just what I was looking for! The pics in your thread are awesome. That sure looks like a big project, but getting it running is sweet!
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Old 08-05-2016, 02:04 PM
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I have those same crocs bro!


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Old 08-06-2016, 06:44 AM
Extreme Pro Rider
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"I just installed these on my LT80 build I took some pictures, however they are not of huge help here"
True, on a stock motor any increase in power is minimal at best.
Modify the motor for more air flow (rpm's) and they work better.
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Old 08-06-2016, 08:09 AM
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copy that!
With any engine (air pump) we are only as good as our smallest bottleneck
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Old 08-08-2016, 11:30 AM
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While not a huge HP increase, they tend to crisp'n up the throttle response (they open faster)...not that an 8yo will notice
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