hello,i am currently am restoring a 1972 commando roadster.it is almost complete.my problem is the my kicker arm will not clear the exhaust.the mountings and brackets are all new.the exhaust is new and stock,reverse cone mufflers.the kicker arm does not appear bent and was replaced by the previous owner.the isolastics are new.i have owned 3 other commandos over the years and they have all had this problem.they were all well worn machines so i did not care.but i have completely restored this one so i want to cure it once and for all.any help would be appriciated.thank you