I just had mine bored to a 416 2 weeks ago and love the gains.
Je 10.8:1 piston, hotcam stageI, and comet flexsteel gaskets from C&D racing $310
Bore Job $55
K&N powerlid $95
Jets or jet kit if you don't have one usually around $50 for a kit.
Remove Choke FREE and add 42pilot jet $4.50
If you can do the work yourself you can save alot of money but I paid a friend $100 to teach me how to do it.
04' 416 EX
JE 87mm 10.8:1 PISTON
450R CARB
JETTING: 198 KEIHEN JET MAIN
48 KEIHEN PILOT
FUEL SCREW 3 TURNS OUT
E-CLIP ON 3RD NOTCH FROM TOP
HOTCAM STAGE I
FMF POWERCORE 4
FMF POWERBOMB HEADER
REV BOX
PRO ARMOR KILL SWITCH
K&N AIR FILTER w/ OUTERWEAR
K&N POWERLID w/ OUTERWEAR
PRO TAPER BARS
DG "FAT" V PRO-SERIES BUMPER
DG "FAT" NERFS
UM AIR SCOOPS
FMF SHOCKCOVERS
BLUE LED TAIL LIGHT
ITP SAND STARS II'S ON C-SERIES POLISHED WHEELS 20"
CHENG SHINS---STUDDED 20"
DICK CEPEK SPIDER-TRAC 22"
MAXXIS RAZR II's FRONT AND REAR.
07' SUZUKI DR-Z 400-------STOCK
84' HONDA 200 S ATC------STOCK
22" WOOLY BOOGERS