That seems to be a hair high, but it could just be the hourly rate in your area. Our labor rate is $65 or $70 depending on the brand. Included in our spring check over is: oil change, new plug and filter, clean deck and sharpen blade, check and test drive, lube wheels, check, run and adjust engine, check cables, etc. Normally takes 30-45 minutes depending on the unit. Normal cost. $60-$80 depending on brand. One thing, we have no set price, as every unit has different needs.