I ran it in a test tank and it starts and idles excellent, but falls flat at about 1/2 throttle. it goes full throttle with the choke on.
See full version: 1996 Evinrude 9. 9 premix ratio
I ran it in a test tank and it starts and idles excellent, but falls flat at about 1/2 throttle. it goes full throttle with the choke on.
I was always under the conventional wisdom that most 2 strokes required a 50:1 premix ratio. [links]
Re: 1996 Evinrude 9.9 premix ratio
I just bought a 1996 Evinrude 9.9 2 stroke and there are no stickers on it and I don't have the manual. What is the correct premix? I bought it from a guy who had never used it because it came with a sailboat as an emergency motor. He cleaned the carbs and I hooked up fresh 50:1 mix and it started on the 3rd pull.
I am not very mechanical, so I will bring it in to have it serviced. However, I know if I mix the oil too rich, I will have similar fouling and rough running issues. If anyone can point me to the correct place, I would appreciate it.
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RPM Information: 5500
Your engine's RPM range is important in choosing the right propeller for a given application. For example, if you look at your tachometer at top speed and it is not within the engine's RPM range then that is generally not good. You want your RPM's to be within the proper range while at wide open throttle (WOT). Be sure to do your testing under your normal boating conditions and with a good propeller (not bent, cracked, or excessively chipped).
The iboats Outboard Motor Forums are another excellent source of information. [links]
1996 Evinrude 9.9 thru 30 HP 2-Cylinder Outboard more
GENERAL INFORMATION
FUEL SYSTEM
IGNITION SYSTEM
POWERHEAD
MIDSECTION
GEARCASE
MANUAL STARTER
ELECTRICAL SYSTEM
SAFETY SECTION
DIAGRAMS here
This Factory Service Repair Manual offers all the service and repair information about 1996 Evinrude 9.9 thru 30 HP 2-Cylinder Outboards. The information on this manual covered everything you need to know when you want to repair or service 1996 Evinrude 9.9 thru 30 HP 2-Cylinder Outboards.
9.9 hp
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15 hp
20 hp
25 hp
28 hp
30 hp
35 hp more