YAMAHA MT15 MT125 WR125 COMPLETE ENGINE BEARINGS (HIGH SPEED)
This bearings is made to support get better performance on your motorcycle engine.
Material is much better than stock bearings.
If you still using a stock engine this bearings will help ease the work inside of the engine which has an impact on the use of more durable parts.
And these bearings are highly recommended for those of you who have already increased the engine capacity with a bigger one, because the using of stock bearings will not last long on an upgraded engine (Using the big bore kit or bigger cylinder head)
Because the engine will accelerate faster while stock bearings are designed for standard engine capacity with a predetermined engine speed limit.
So that the bearing will collapse if the engine rotates faster which results in damage to the crankshaft and the other parts inside.