Just read the maintenance on the Mercruiser 8.1 Horizon.
Recommend changing spark plugs every 300 hrs (I am not there), or 3 years (I'm at 5).
Any input on the importance of this?
Should I go ahead and change them?
Any recommendations on the type?
Any give you increased performance?
Thanks!
Recommend changing spark plugs every 300 hrs (I am not there), or 3 years (I'm at 5).
Any input on the importance of this?
Should I go ahead and change them?
Any recommendations on the type?
Any give you increased performance?
Thanks!