#yamaha #yamahar1 #2wheels #motorbike #fyp Yamaha R1 5jj. Mot until august but i will mot for a year no issue as its only done 130 miles since the last mot. 2001 15k miles. I removed the 15k mile engine and bought a 9k mile engine that was planned to be fitted to a track bike but my mate had a change of plans. The engine had every gasket, seal and o-ring replaced, brand new timing chain and tensioner, full gearbox rebuild including selector forks and everything fully checked and adjusted includi