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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Athena yz 144
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[QUOTE="GRP, post: 1120948, member: 64279"] [b]Athena review.[/b] I have the Athena kit on my 2005 YZ and also had the Gorr mods done to my stock engine. Both work great. I bought the Athena kit because after running the Gorr 144 for a while I sent it back for a little head work and porting. I installed the modified parts and found that the top end power was amazing but I lost all the low end power. I incorrectly assumed it was the porting, so I instaled the Athena 144 kit. I found while installing the Athena kit that the power valve was not installed properly at the engine end and was stuck open resulting in the lack of bottom end. Both motors run great and would be competitive with 250 four strokes. More importantly is that the bike is so much fun to ride. I find that I can usually pull a higher gear over the same sections of the track when compared to the stock motor. I would reccommend either one. [b]Mod Edit - This part belongs in the For Sale forum only[/b] [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Athena yz 144
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