Typically between 2.0 and 2.6 liters of engine oil, depending on the CB350 model year and whether you replace the filter. Always verify with the owner's manual to avoid under- or overfilling.
Generations and capacities
Below are typical capacity figures reported for common CB350 generations. Use these as baseline references and verify with your specific model's manual.
- Classic CB350 (late 1960s–early 1970s): About 2.6 liters of engine oil for a full change with a new filter.
- Modern CB350 (2020 and later): About 2.0 liters for a standard oil change, including the filter.
Note: The exact quantity can vary with filter changes, oil grade, and any model-specific variants. Always consult the official service documentation for your bike’s exact figure.
How to confirm the exact specification for your bike
To be certain you add the correct amount, consult the official manual or service bulletin for your VIN/year, and, if needed, measure after draining and refilling on your bike.
- Check the owner's manual or service manual for the oil capacity specification.
- Note whether the value includes the oil filter; many listings assume a new filter is installed.
- When in doubt, contact a Honda dealer or a trusted mechanic for your exact model/year.
Having the exact figure ensures you won’t overfill, which can cause crankcase pressure issues, or underfill, which can reduce lubrication.
Practical tips for oil changes
Follow best practices during oil changes to ensure accurate results and engine protection.
- Warm the engine before draining to remove more oil and get an accurate measurement.
- Drain completely, reinstall the drain plug with the correct torque, and replace the oil filter if your service interval calls for it.
- Refill gradually, then check the oil level on the dipstick or sight glass as per the manual's instructions.
Proper oil level is key to reliable operation and protecting the engine, especially on older CB350s that require careful maintenance.
Summary
The Honda CB350’s oil capacity varies by generation; classic models typically require around 2.6 L and modern versions around 2.0 L for a standard oil change including a filter. Always refer to the exact model-year manual for precise figures and follow proper draining and refilling procedures.
How much oil does a Honda 350 hold?
Fill up the engine with Honda GN4 motor oil through the fill opening on the left side of the engine, opposite the dipstick opening on the right. NOTE: The Honda Rancher 350 takes a little over 2 quarts of oil, so start off by pouring in just 2 quarts.
Which engine oil is best for a Honda CB350 RS?
The recommended engine oil grade for Honda CB350R is SAE 5W-30 or 10W-30, JASO T 903 standard MA and has an engine oil capacity of 2.0 liter.
What is the top speed of the CB350?
The Honda CB350 DLX reaches a top speed of 125 kmph, powered by a 348.36 cc engine that ensures a smooth and stable ride.
What kind of oil does a Honda CB350 take?
SAE 10W-40
CB350 / CL350: 2.1 U.S. Quart / 2 Lit. What engine oil should I use for my CB350 / CL350 / SL350? Use only a detergent oil with an API rating of SD or better. Recommended oil viscosity for general riding and all temperatures is: SAE 10W-40.