Yamaha YZF-R125 Service Manual: Lubrication diagrams

Engine oil lubrication chart

Oil pump Oil filter element Crankshaft Camshaft Main axle Drive axle ...

Cooling system diagrams

Radiator inlet hose Coolant reservoir hose Radiator cap Radiator Coolant reservoir breather hose Coolant reservoir Water pump breather hose Water pump Radiator outlet hose ...

Other materials:

Checking the valve seats
The following procedure applies to all of the valves and valve seats. 1. Eliminate: Carbon deposits (from the valve face and valve seat) 2. Check: Valve seat Pitting/wear Replace the cylinder head. 3. Measure: Valve seat width C "a" Out of specification Replace the ...

General information
NOTICEThis manual was produced by MBK Industrie. primarily for use by Yamaha dealers and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one manual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha vehi ...

Checking the brake fluid level
Front brake Front brake Minimum level mark Rear brake Rear brake Minimum level mark Insufficient brake fluid may allow air to enter the brake system, possibly causing it to become ineffective. Before riding, check that the brake fluid is above the minimum level mark an ...