Two Stroke Motocross

Two Stroke Motocross Forum => Technical => Topic started by: jyamaharider713 on January 13, 2013, 03:01:43 AM

Title: putting athena 144 kit on yz125
Post by: 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?.

Title: putting athena 144 kit on yz125
Post by: evo550 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?

Title: putting athena 144 kit on yz125
Post by: bkoz 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. 

Title: putting athena 144 kit on yz125
Post by: Stormer 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.

Title: putting athena 144 kit on yz125
Post by: bkoz 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