Serval Jetting Help

[Silversheee]

So too start off I'm pretty new to banshees. I recently changed motors I bought a 421 ported serval and I just can't really figure it out so I need your guys expect opinions. It idles fine but it will bog/hesitate when I give 0 to about 3/4 but at full throttle it takes off.

 

I currently have SLP pipes

28mm pwk carbs jets are (170 Mains)(48 pilots)(Stock needle jjh on 2nd Clip)

Air screw 1.5 turns

Elevation is 800ft

Compression is about 150 and 145

[Surfrjag]

I would go up on pilots and make aure its not lean

[Strm Trpr]

Turn the air screws all the way in gently, then back them out 1/2 a turn.

Put the needle clip in the 4th groove from blunt end of needle.

Make sure carbs are sync'd and idle is set to ~1,500 rpms.

Make sure float height is in spec too.

 

More than likely you'll need to increase your pilot jets.

[Silversheee]

Well I synced the carbs. Went up too a 52 pilot, turned the air screws out a half, moved the needle down and it still has a pretty bad bog in low end revs, the top end is still good. Could something else affect this other than the carbs?

[Surfrjag]

Could be an electrical issue or rich on main jet. Check over electricL first then do a plug chop. Motor is air tight right?