Depending on the motor you can use Max Rules. They have a pretty good database for years and hp info.
That is a 1956, 30HP Johnson motor.
i have a 21ft sunbrid walk around boat with a 175 outboard motor i would like to know what size propeller should i use
To determine the year of a Mercury 40hp outboard motor with the serial number 2877503, you can refer to Mercury's serial number lookup charts, which typically indicate that this serial number corresponds to a model from the mid-1980s. Specifically, it is likely from around 1986. For the correct propeller size and pitch, you should consider the specific application and boat specifications, as well as consulting a marine professional for recommendations.
OD281588
175/150
A suzuki outboard motor may cost anywhere in the area of 2000-4000. This price depends on the size, age, and horsepower of the motor. Also, the condition if used is a factor.
does anyone no the size,and year of this motor... here is thr serial # K0131fcucf1157374
100 aph
To determine the size of a motor using its serial number, you can start by consulting the manufacturer's documentation or website, as many companies provide specifications linked to serial numbers. Alternatively, you can contact the manufacturer directly with the serial number for assistance. Some motors also have a nameplate that includes essential information, including size and specifications. If those options aren't available, you may consider searching online databases or forums where similar motors are discussed.
A Johnson outboard, model 6R-74C, would be a 1974 year model, 6 hp.
250 cc
appears to be 250