How Much Oil Does My Four-Stroke Take?

“Wait? How much oil do I need?’ That’s a frequent question we all ask ourselves when we’re changing our engine oil. Typically, changing our oil is something we take care of every three to six rides (hopefully), but often forget how much is necessary when we actually put forth our oil changing endeavors. Thankfully, though, you have TransWorld Motocross to help you fill in the blanks when you’re in doubt. We’ve put together all the information you need to know when you’re changing the oil in your thumper.

2007-2009 Suzuki RM-Z250

Oil change: 900ml

With filter change: 950ml

Overhaul: 1000ml

Recommended oil: Motul 300V 10W-40 or 10W-40, API SF/SG or SH/SJ with JASO MA

Replace engine oil every three races or six hours

Replace oil filter every six races or 12 hours

2008-2009 Suzuki RM-Z450

Oil change: 1050ml

With filter change: 1100ml

Overhaul: 1200ml

Recommended oil: Motul 300V 10W-40 or SAE 10W-40, API SF/SG or SH/SJ with JASO MA

Replace engine oil every three races of six hours

Replace oil filter every six races or 12 hours


2009 Yamaha YZ250F

Oil change: 1.05L

With filter change: 1.15L

Recommended: 20w50 Yamalube

Replace engine oil every third ride

Replace oil filter every other oil change

2009 Yamaha YZ450F

Oil change: .95L

With filter changer: 1.0L

Recommended: 20w50 Yamalube

Replace engine oil every third ride

Replace oil filter every other oil change


2009 Honda CRF250R

Oil change: 660ml

With filter change: 690ml

Recommended: Honda Line 10w40

Replace engine oil every three to five hours

2009 Honda CRF450R

Oil change: 650-680ml

With filter change: 600ml

Recommended: Amsoil 10w40

Replace engine oil every three rides


2009 Kawasaki KX250F

Oil change: 1.43L

With filter change: 1.4L

Recommended: Motul 10w40

Replace engine oil every two to three rides

2009 Kawasaki KX450F

Oil change: 1.1L

With filter change: 1.3L

Recommended: Motul 10w40

Replace engine oil every two to three rides


2009 KTM 250SX-F

Oil change: 900ml

With filter change: 950ml

Recommended: Motorex 10w50

Replace engine oil every other ride

2009 KTM 450SX-F

Oil change: 1050ml

With filter change: 1200ml

Recommended: Motorex 10w50

Replace engine oil every other ride