Click to enlarge

THIS KIT COMES WITH A 1 MM BASE GASKET SPACER, AND 2 BASE GASKETS

IF YOU USE THE STOCK TRX90 HEAD YOU WILL NEED THE SPACER,, BUT

IF YOU USE A HEAD WITH A BIGGER DOME, YOU PROBABLY WILL NOT NEED THEM.

THIS KIT INCLUDES EVERYTHING SHOWN IN THE ABOVE PICTURE

WITH THE 54MM 114CC CYLINDER KIT THE TRX90 CASES WILL NEED SOME ALUMINUM REMOVED (SEE KIT INSTRUCTIONS BELOW FOR DETAILS AS TO WHERE IT SHOULD BE REMOVED)

I USED A DREMMEL TO DO MINE AND IT WORK JUST FINE

TRX90 54MM BIG BORE KIT 114CC 1-18/54-GBO/267Fx2/AB1MM

Click to enlargeTHESE ARE THE AREA'S TO BE TRIMMED FOR THE 54MM CYLINDER
Click to enlargeMUST REMOVE SOME ALUMINUM HERE FOR 54MM CYLINDER
Click to enlargeMAKE SURE TO SLIDE CYL. DOWN STUDS TO CHECK FOR CLEARANCE
Click to enlargeSLIDE BARE CYLINDER DOWN STUDS AND MAKE SURE ALL IS FLUSH