u/Brotoole_10100

Hi all, long time listener, first time caller. I have a 2008 XT250 and I drilled out the cover on the idle air screw and turned it an additional 1.5 turns to 3 turns total. Now the bike runs awesome for the first quarter throttle, after that it can be felt loosing power and falling on its face, I assume I need bigger jets however I don’t know for sure, that being said when I try finding bigger jets I can find any for the TM33 carb, im also planning on putting a higher lift camshaft and big bore in the bike this winter so I know it’ll need to be jetted then as well. So im wondering if it would be better to get new jets or get a different carb for it? Any help is appreciated (im trying to find a #140 main jet and a #35 pilot jet for now before the engine build)

Deleted the last post as I didn’t want to try and word and update or reply to everyone’s comments so im going to answer everything here instead, I used a Testor Brand enamel paint from Michael’s Art and craft store, and used white Tremclad (Rust-oleum) as a primer, I started with a green 3M scratch pad and made sure to get everything in and around all the lettering, afterwards I sprayed the Tremclad into a container and used a small brush to apply the paint, I used the same brush for both paints. After letting sit for a few hours I applied the Metallic red, instead of using brushstrokes I left a good amount of paint on the brush and dabbed paint where I wanted it, as the paint was drying after 15-20 minutes once it tacked up I used my thumb nail to gently pick off any paint that got outside the letters, lastly after drying I polished by hand with Mothers and I am a happy with the result, not saying im a professional by any means I know it isn’t perfect, but I was getting enough questions I figured It was worth a repost