9.9 mercury motor serial number#

I have 5 collector cars and synthetic really makes a difference on cutting down wear on cold dry start ups. Do you want 4000 hours or 6000 plus hours? Your call. How you treat your engine will also determine how long it will last. The 9.9 capacity is small anyways so for less than the cost of a Starbucks if you buy synthetic at Walmart, you can upgrade to full synthetic. I don't know about your application but on the boats I had a 9.9 kicker on, I ran the bags off the kicker when the current got humping.and when the main wouldn't fire.I ran the f out of it to make time and get back to shore by dark.

9.9 mercury motor serial number#

It also has much higher detergent qualities and it'll prevent carbon build up and allow you longer intervals between changes and a longer engine life. HPYEARMODEL TYPE US SERIAL NUMBER RANGECAN.7.5 HP MODELS7.5 HP MODELS7.5 HP MODELS7.5 HP MODELS7.9Short or Long2529895 2810636250Short or Long2810637 30165802814. Synthetic oils offer a much superior quality of lubrication in that it stays on surfaces longer. Any engine manufacturer or engine rebuilder/ oil manufacturer and they'll tell you this. Weighing 84 lbs., the Mercury 9.9 HP Outboard Model 9.9MH comes equipped with a manual start and 15 inch short shaft, tiller steering and auto ratchet manual tilt. I would run the first couple of changes on conventional to seat the rings and ensure everything seals, seats and wears in. The Mercury 9.9 HP outboard engine is a two cylinder four-stroke marine engine that delivers smooth, quiet, fuel efficient power.