@shotiekhan
agr ap topic shurooh say parh rahy hotay to yay question nahein karty......
CB-180 bhai koi bike nahein hoti yay bas karacho mein hoti hai 
CB-100 bike aati thi 1970s mein ab us kay engine parts nahein mlty blkul bhi.....so Honda ki aik TRAIL aati hai hai EXCEL 180 kay naam say jo DUBAI mein Dirt biking mein use hoti hai to us kay engine ki mountings aur CB-100 kay genuine engine ki mountings same hain to in tamaam CBs mein un Excel 180 ka DUBAI import engine dala jata hai and tht engine is too much fast 9500 rpm par to red line hai us ki.....Bike mein bhi engine swaping hoti hai bhai....Hope u understand of not then raise ur queery ill clear it 