▁comes ▁together ▁to ▁create ▁a ▁bi ke ▁that ▁is ▁mass - central ized . ▁The ▁bi ke ▁was ▁introduced ▁by ▁Yam aha ▁Factory ▁Mot oc ross ▁r ider ▁James ▁Stewart . The ▁top ▁speed ▁has ▁been ▁recorded ▁at ▁ 8 0   m ph ▁stock . ▁ ▁Six th ▁generation ▁Y Z 4 5 0 F ▁ 2 0 1 4 - 2 0 1 7 ▁▁ ▁The ▁ 2 0 1 4 ▁Y Z 4 5 0 f ▁was ▁a ▁new ▁design ▁the ▁retained ▁the ▁backwards ▁sl ant ▁engine . ▁ ▁The ▁ 2 0 1 4 ▁model ▁has ▁a ▁wet - sum p ▁engine ▁and ▁an ▁easy ▁access ▁air ▁filter . ▁ ▁Se vent h ▁generation ▁Y Z 4 5 0 F ▁ 2 0 1 8 - Pres ent ▁▁ ▁The ▁ 2 0 1 8 ▁Y Z 4 5 0 f ▁features ▁electric ▁start ▁and ▁a ▁Mik uni ▁fuel ▁injection ▁system . ▁ ▁The ▁kick st arter ▁was ▁removed ▁for ▁this ▁generation . ▁ ▁References ▁ ▁External ▁links ▁ ▁The ▁Long ▁History ▁of ▁Re verse - C yl inder ▁Engine ▁Design s ▁- ▁mot oc ross action mag . com ▁ ▁Y Z 4 5 0 F ▁Category : Off - road ▁motor cy cles ▁Category : M ot or cy cles ▁introduced ▁in ▁ 1 9 9 8 <0x0A> </s> ▁The ▁term ▁Arab ▁League ▁peace ▁plan ▁may ▁be ▁one ▁of ▁the ▁following ▁terms : ▁ ▁Arab ▁Peace ▁In iti ative ▁in ▁the ▁Isra eli - Pal est in