Unleaded gasoline with a minimum octane rating of 87 is necessary. However, it is recommend that an octane rating of 89, be used if possible, for best performance.
50:1 GAS/OIL MIXTURE
Gas (US Gals)| Oil (Ounces) | Oil (Pints) | Gas (Liters)| Oil (Liters)
0.37...............| 0.95.............| 0.06.........| 1.40...........| 0.03
0.5.................| 1.28.............| 0.08.........| 1.90...........| 0.04
0.66...............| 1.69.............| 0.11.........| 2.50...........| 0.05
1.0.................| 2.56.............| 0.16.........| 3.79...........| 0.08
2.0.................| 5.12.............| 0.32.........| 7.58...........| 0.15
3.0.................| 7.68.............| 0.48.........| 11.37.........| 0.23
4.0.................| 10.24...........| 0.64.........| 15.16.........| 0.30
5.0.................| 12.80...........| 0.80.........| 18.94.........| 0.38
6.0.................| 15.36...........| 0.96.........| 22.73.........| 0.46
10.0...............| 25.60...........| 1.60.........| 37.89.........| 0.76
15.0...............| 38.40...........| 2.40.........| 56.83.........| 1.14
20.0...............| 51.20...........| 3.20.........| 75.78.........| 1.52
Hope This Helps.
50-1
Your motor is made by Chrysler, Model# VWB52119b is a 15hp, 1981-2
I rented a John boat with a 15hp Yamaha several years ago. The fuel consumption rate was about one gallon per hour at wide open throttle.
It is the kill switch
50 to 1
the 15hp murc is the best relay an 18hp and are cheap new i bought my 15hp murc with and 18hp relay and go it for $1800 brand new and runs the best i have ever seen and much faster and cheaper than Yamaha
The 15 horsepower Mercury outboard motor does not have a water pump. The outboard motor is air cooled and does not have a need for circulating water.
Depending on the year model, a 15 hp Johnson outboard is listed as having a dry weight of 70 - 85 lbs.
i have a 89 DT 15hp Suzuki with a oil injector that is leaking and no longer working. we use a 50:1 mixture and have had no problems with it running right. strong little motor!!
The fuel to oil ratio for a 2000 model, 15 hp Yamaha outboard would be 50:1. Roughly 1 pint of 2 cycle oil to 6 gallons of fuel.
The 1993 model, 15 hp Evinrude outboard weighs in at 72 - 80 lbs, dry weight, depending on the model.
A 15hp mercury requires a fuel to oil ratio of 50:1, roughly one pint of 2 cycle oil, to six gallons of gasoline.