Yamaha YZF-R 125 Crankshaft & Engine Timing

Overview of the signs of a defective timing chain or a defective chain tensioner: timing chain rattles when starting the engine, unsteady running of the engine & idling noises, (clacking) plus a glowing engine warning light. Before it...

The rocker arms operate the valves in the 4-stroke cylinder head. Since the part actuated by the camshaft is mounted is mounted on ball bearings it is mechanical exposed to mechanical wear. These rocker arms are the perfect & cheap...

Original replacement chain tensioner from Yamaha. Fits Yamaha YZF-R125. OEM part number for comparison purposes 5LWE22100000

The timing chain rails perform an important task in the engine, as they protect the chain from contact with the housing and thus prevent increased wear. Unfortunately, however, these components themselves are subject to high stress. If...

The timing chain of modern 4-stroke engines is, compared to a timing belt, actually maintenance-free. However, at high mileage or other maintenance work, it may be useful to replace the chain. We offer here an original timing chain for...

The timing chain rails perform an important task in the engine, as they protect the chain from contact with the housing and thus prevent increased wear. Unfortunately, however, these components themselves are subject to high stress. If...