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Athena Big Bore Gaskets - 144cc

$52.99 - $79.99
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Athena Big Bore Gaskets - 144cc - Main
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Product Description

  • Replacement top end gasket kit for the Athena Big Bore kit.
  • Manufactured in "State-of-the-Art" computer controlled facilities.
  • All gaskets made from the highest quality materials.
  • All gasket sets meet or exceed O.E.M. specifications.
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Top 10 Contributor
Location: Jacksonville, NC
ATHENA BIG BORE GASKETS - 144CC
Only reason I would recommend this gasket kit is because you have to use it when using an ATHENA kit with their head design. *I have used a complete ATHENA kit twice (piston, cyclinder, etc) on our personal race bikes (2008 & 2010 YZ125) -and also installed them for other riders with varying degrees of sucess but nothing better than OEM. I would not recommend this application for a MX racer and have seen limited sucess with GNCC type racing. Talking with other mechanics they have experienced the same things. Love it or hate it, no inbetween. The trend I have seen is lower rod bearings or thrust washers burn up which also leads to the crank stuffers melting. Yamaha does not sell the nylon OEM crank stuffers seprate which leaves you looking for a new or used crank with good stuffers= $$. Dont get me wrong, the gaskets are fine - it's all of it together that we have had preformance issues with.
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bjung Over 3 years ago
Does this come with the head gasket (the new metal type) ~05 yz 125 144 athena gasket kit~?
MotoSport Staff Expert
Over 3 years ago Location: USA
You'll receive the head cover, base and power valve gaskets.
ramone Over 3 years ago
Is the head gasket a o ring or is it the new metal type?
Expert MotoSport Staff
Over 3 years ago Location: Portland, OR
Typically they incorporate both metal and paper, but without knowing what type of bike you have it's hard to know for sure.
Surett Over 4 years ago
What is the difference between the o1 and the 05 model besides the aluminum frame, why wont it bolt up to the 01 model?
Expert MotoSport Staff
Over 4 years ago
The case, cylinder, and head are different.
john530 Over 4 years ago
Athena 144 big bore kit?
is that price for everything needed to bore out the bike?
MotoSport Staff Expert
Over 4 years ago Location: PDX
You don't need to bore this kit out... it will come with a Cylinder and gaskets everything ready to bolt on.
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