Ya mar sc2400 engine oil

[Slab]

What oil would be best. 10w30 10w40 or 15 w40. The manual says to use the 10 w

 

[DEWFPO]

State what temperature range you operate in and how hard you use the equipment.

DEWFPO

 

[Slab]

Ten below zero to ninety above. Lawn mowing and snow removal.

 

[Z71]

10W-30 synthetic would be best. Avoid the 40 wts, not much advantage in a small engine IMO.

 

[DEWFPO]

I run in -20F to 90F and I use a 5W30 Diesel rated oil in my Kubota diesel engine. If you use a engine block heater on the coldest days dino oil will be fine, if not, synthetic oil makes cold starting so much easier.

DEWFPO