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I finally got back to the Vmax. I ordered some 145, 147.5 and 150 jets. I installed the 147.5's. I was too worried about going too lean to put the 145's in first. I reset the stage one needles to the fourth grove from the point, re-adjusted the pilot screws (they ended up at 1.5out) and...

Thanks guys, very informative.

I looked up on Dynojets website and the instructions for both the stage 1 and stage 7 both include drilling the slide and changing the spring. There are several other steps that are stage 7 only. You have also confirmed going down on main size with the mods to your bike. I guess this just seems...

Thanks for the advice guys. I have been thinking the jets must be too large for it to run as it does at higher rpm where the needle should be "out of the way". I just want to carify that even with the K&N and exhaust it should be leaner than stock? Were these things really fat from the factory...

OK, I reinstalled the carbs and sync'd them and set the pilot screws as dirrected in the sticky thread. Test riding and it runs good down low but stumbled above 5000rpm. It pulls through but misses. I did the test from the carb tune sticky thread. Here are the results: Test 1, 4k in 5th gear...

Thanks, it may be a dynojet 170 main. All my PAJ2 are the same size with the same markings.

Update, I pulled the main and paj2 jet out of one carb. Looking very closely trough a magnifing glass it looks like the PAJ2 jet is a 170. It is also larger than the 170 jet that was the main. A .069" pin gauge fits through the PAJ2 170 jet but does not go through the 170 Main jet. Also the PAJ2...

I guess it's possible that whoever got into these before mixed up the main and paj2 jets but the numbers on the paj2 jets look like about 120, so I'm sure they would be way too small for mains. I think the paj1 jet is on the venturi air box side. They are all 90's so I assume they are...

Hello all, New to the forum. I searched around and couldn't find the answer so I figured I just ask. New to V-max bikes. Bike has been running poorly, needed a little choke to run. I figured gumed carbs and pulled them to clean. Float heights were all over the place and mixture screws also. They...