Motorcycle Maintenance and Oil Information for 2005 Hyosung GT 650 R Comet 647
If the 2005 Hyosung GT 650 R Comet 647 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 kind of oil does a 2005 Hyosung GT 650 R Comet 647 take?
In the product lookup for this model, 10W-40, 15W-50 are the engine-oil grades shown. The matching oil selection includes 10W-40 Synthetic Metric Motorcycle Oil, 15W-50 Synthetic Metric Motorcycle Oil. Confirm the manufacturer’s complete oil specification before using a listed product.
How much oil does a 2005 Hyosung GT 650 R Comet 647 take?
The listed engine-oil capacity for this vehicle is 3.38 quarts.

