She is 10 years old, purchased the year the Z-Force came out. The Kawasaki Motors ran out the first month and they began the Briggs 18HP Intek run.
I replaced the side compartment with a 2nd fuel tank that balanced out my turning very well.
10 years later I have the famous Intek leaking head gasket. She has been running like this for a couple years with me adding 1/2 cup of oil every 3 hrs of operation. Started fine, ran fine, only visibly smoked on start up. If not for a disciplined oil level check at every session I may have lost her. She does have a low oil pressure alarm though.
I pulled the motor yesterday to carry to the shop Monday.
I mow a 1/2 acre wooded lot of healthy Fescue weekly, 9 to 10 months a year and I LOVE this mower. Even with the blown gasket I have no regrets.