1987 - 2004 YAMAHA WARRIOR 350 YFM 350 BIG BORE KIT 366CC & OIL COOLER KIT COMPLETE REBUILD SET

SAVE $50 WITH THIS COMBO! 366cc BIG BORE CYLINDER KIT UPGRADE YOUR WARRIOR 350 FROM A 350 TO A 366 INCREASED HP AND TOQUE AS SHOWN BY THE DYNO WE HAVE PERSONALLY TESTED 3 OF THESE KITS OVER A 1 YEAR SPAN  TO ENSURE QUALITY WHEN TESTING.  PISTON HAS A TEFLON SIDE COATING AND CERAMIC TOP. THIS KIT FITS THE STOCK CYLINDER HEAD AND CRANKCASE. NEW 1987-2004 YAMAHA WARRIOR 350 OIL COOLER KIT PATENT PENDING DESIGN TRAIL TESTED PLEASE NOTE: THE BRACKETS IN THIS KIT WILL ONLY FIT THE 1990-2004 YEARS. IF YOU HAVE THE 1987-1989 YEAR, YOU CAN USE THE BRACKETS BUT WILL NEED TO CUSTOMIZE THEM FOR FITMENT OR YOU CAN MOUNT THEM A DIFFERENT WAY THEN SPECIFIED. ALL OTHER PARTS IN THIS KIT WILL STILL FIT AND WORK ON THE 1987-1989 YEARS. THIS KIT WILL NOT WORK IF YOU HAVE A DIRECT SHIFTER  INSTALLED. THE OEM SHIFTER WILL WORK. WE ARE DEVELOPING A DIRECT SHIFTER THAT WILL WORK WITH OUR OIL COOLER KIT, WILL BE AVALIABLE SOON. THIS IS A GREAT UPGRADE TO YOUR STOCK OR MODIFI