The Isolator spark plug 14-240 is suitable for Simson models such as S50, S51, S70, S53, SR50, SR80, KR51/1, KR51/2, SR4-1, SR4-2, SR4-3, SR4-4, SR1, SR2, SR2E, Kr 50 as well as MZ models like ES125, ES125/1, ES150, ES150/1, ES175, ES175/1, ES175/2, ES250, ES250/1, ES250/2, ES300, ETS125, ETS150, ETS250, TS125, TS150, TS250, ETZ125, ETZ150, ETZ250, ETZ251, ETZ300 and RT125/1, RT125/2, RT125/3. The electrode gap is 0.4 mm and can be readjusted at any time.







