Motorcycle Maintenance and Oil Information for 2001 MBK Thunder 125
If the 2001 MBK Thunder 125 is due for engine-oil service, identify the proper lubricant and confirm how the final level must be measured. Catalog matches help with product selection, but they are not a replacement for service instructions.
What type of engine oil does a 2001 MBK Thunder 125 need?
The motorcycle oil listings identify 10W-30 as the engine-oil viscosity. Products shown for this application include Formula 4-Stroke Synthetic Scooter Oil, 10W-30 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.

