Good day yamaha japan. I want to complain regarding yamaha R25. Why the gear oil pump always got problem? Because of this effect all of engine part get damaged.. The lube oil cannot reach to the engine part because the gear of oil pump not function and broke. Why the gear suddenly broke. It effect to crankshaft broke, con rod bearing.. Why r25 always get engine problem.. I use lot of money to repair this.. I also already make a recall for the oil pump issued before.. Hopefully reply.