1 - 219cc OHV Rickshaw engine price is around 36k (brand new) you can connect to Dr. Omar sahab president of MAP for getting one of that
2 - 229/233cc OHV bike/atv engines with complete kit cost some where around 40 with complete installation kit and parts. connect to @mfaizandawood as far as I remember he has a spare engine of that category.
3 - 249cc OHC engine with installation kit might cost above 45k it depends on expenses to get one shipped. Shippment time is 3~5days engine will be almost new slightly used.
4 - Brand new Pin Pack engine direct from China is also available which is for sports bike for 85k only with proper imports documents and custom paid.
Top speed ka mene apko likha neechy k I dont have tested.. jin bikes ko test kiya unka isi thread men share kiya YBR will be the first one.
brakeing remains same
you will either have to leave bike in lahore for a week or get it done in FSD your self, mechnics here are professional and you can safely leave the ride, qamer/azam /chitay weghara k pass sibi or sukkar say bikes ati hain to get them done.. faislabad to ye pass hai.