am a new fjr owner.not a new bike owner,have owned 5 new bikes in last five years,do all my own oil changes. on new fjr, changed at 100 miles,600 miles,300 miles, 6,00miles,9,000 miles, used yamaha filter and castrol actevo 20w50w, use crush washer twice, put in what manual says 4 qts + 6.23 oz...