With those pipes at sea level i ran 340 mains,27.5 pilots,needles 4th clip from blunt end,might be a lil rich depending on porting might go to like a 320 but start rich you might need it with the pods
5n7 is a stock needle,is the other longer or diff taper,just read your mods,put the stock needle in in the richest postion,I had the same set-up on a few bikes ,those pipes liked 30 pilots ,needles all the way rich,2 turns out at sea level,+4 timing,
My advise on break-in is run your needles/pilots a lil fat so when you let off the needle stays out of the hole longer allowing fuel through.I run my drag motors that way and havnt had a problem.In my opinion your jetting sounds pretty dead on but for break-in I always run the 1st tank through fat and then jet after my rings have found there sweet spot
Get the FAST clutch.It will hold up but anythimg with decent horspower 90+ will fry clutches drag racing on asphault ,I dont know what type of riding your doing.I built a 90+ hp cub with a fast clutch,I just tore it down for an overide and put a two year old clutch back in,but he dirt rides,.
Fattys like a big pilot,try 30 pilots,stock needle all the way rich.plus 280 shouldnt be that rich I would look into plug caps or ignition underliying problem why your not burning fuel,
My suggestion is use a street bike swinger,newer style for a wider tread,Its not going to be easy but i have spliced swingers before along as you can weld and fab no problem
how about exhaust packing,just recently a cub i re built finally started making power after its rebuilt/tune the oil soakled packing on one side would smoke like crazy,i say change the packing
The billet bowls I have on four diffrent machines, dont extend down much but are wider in areas needed
If your on alky get-em or if you run long distance.I run the 1/4 and my motor on 39mm pwks will suck the bowls dry
sit the caliper in there measure, go to ace hardware some peices and cut/grind to your spec if you go off someoneelse for a ballpark cool but double check
I live in long island a very similar community,my quad has seen dirt once,I ride on the street daily !These cops out here are looking to fuck us every chance they get.They have tried ti hit,knock us off machines in the past when stopping for them.Its no lie I hate cops,not all cops because i have family on the job but the ones that have become copified assholes due to there job!!!I dont know why I chimed in I think its cause I just hate nyc cops and feel for ya
The welds are easy enouph to overlook being its a used crank and fixing it no issue but the chunks out of it worry me,crankworks can fix it but your talking more loot,sucks bro,I even questioned him on an item im glad I didnt buy anything