changing main jets ?

[superbeast]

well i have to change them and i took the 4 screwsoff the bottom of the carbs and the bowl dont come off is there something wrong that i am missing and is this the way too do it ( kind of like the 2 strokes ? )done it a ton of times but i am new to the 4 stroke world

oh yea its a 05 121 rx1 front mount turbo

 

[JDMCRX]

http://www.totallyamaha.com/snowmobiles ... 1Carbs.htm

 

[JDMCRX]

Hope this helps

 

[RXWON]

Just have to pull a bit, there is an o-ring that fits snug into the cup on the bowl.

 

[madforR1s]

I just finished swapping out my mains. Yep, just give a pull or a light tap with the butt end of a screwdriver and the bowls come right off.