jamie
Member
85-87 hp on all 540 to my knowledge
Vmax540
VIP Member
Visit http://www.vintagevmax.com/ and go to ARTICLES for info on the 540's !
SRXfromHELL
New member
77srx444
I also run 78-80 68.5 mm pistons in my 81 , but i only come up with 471.7cc
you need 70.5 mm bore with 64 mm stoke to get to 499.7cc is there a piston out there that I'm not aware of ???
I also run 78-80 68.5 mm pistons in my 81 , but i only come up with 471.7cc
you need 70.5 mm bore with 64 mm stoke to get to 499.7cc is there a piston out there that I'm not aware of ???