LED performance - 525 before - 554 after, same engine on the dyno
before and after dyno runs, 525 with FCI and pipe vs full LED 554 build
This a dyno run of a KTM 525 / 554
Green line indicates stock 525 motor with slip on pipe and Fuel Customs intake.
Blue line indicates LED custom hand made intake, custom ported head, with +1 exhaust valves, +2 intake valves, custom built exhaust, LED custom 99mm piston 13:1 compression piston kit, web cam 820/821 cam, LED bored 43 1/2mm carburetor
52 hp vs 69 hp, same engine, same dyno…….