Author Topic: putting athena 144 kit on yz125 (Read 4451 times)

jyamaharider713 · « **on:** January 13, 2013, 03:01:43 AM »

i have a yz125 and i was looking to get a 144 kit for it. would i have to shave the cases? could i do this myself?.

evo550 · « **Reply #1 on:** January 13, 2013, 04:04:10 AM »

Quote from: jyamaharider713 on January 13, 2013, 11:01:43 AM

i have a yz125 and i was looking to get a 144 kit for it. would i have to shave the cases? could i do this myself?.

Yes machine work is required is required, I don't know, Do you own a machine shop?

bkoz · « **Reply #2 on:** January 14, 2013, 01:58:59 AM »

What year YZ?

2005+ yes to case grinding and yes to rejetting. Not sure on older models.

You do not need a machine shop to do it. It can easily be done with a die grinder or Dremel tool.

Stormer · « **Reply #3 on:** January 23, 2013, 01:51:30 AM »

And you would also want to run higher octane gas since your changing the compression of the engine.

bkoz · « **Reply #4 on:** January 23, 2013, 02:11:29 AM »

Quote from: Stormer on January 23, 2013, 09:51:30 AM

And you would also want to run higher octane gas since your changing the compression of the engine.

No, Athena has pump gas versions

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Author Topic: putting athena 144 kit on yz125 (Read 4451 times)