You can get that info on the Briggs and Stratton website.
Just go to:
http://www.ereplacementparts.com/briggs-and-stratton-parts-c-16758.html?gclid=CPCZj4vGr58CFZdM5Qodp3bDsA
and enter your engine model number.
What is clearance magnetic 15 horse power briggs and stratton
Based on everything I have read from Brigs and Stratton, and talking with some small engine repair guys I know, the 342cc engine puts out about 11-12hp, and the 420cc engine is about 15hp. Hope this helps.
56 ounces
I don't recall right off what the recommended range of compression is for a 15hp Briggs, but 120lbs is certainly sufficient to start and run th engine. If its a 4 stroke it will be around 10.0:1 10-28-08 Right-o, 120 is great. Briggs no longer releases comp ranges, but states a minimum of 60 to run. Depending on model, that's probably a 7:1 or 7.5:1 engine. Briggs are designed w/low comp ratios for durability, resistance to detonation, and low fuel-grade requirements.
Spark plug gap on this engine is .030
thats the same engine and same weight.
For a Kawasaki 15hp engine, it's typically recommended to use SAE 10W-30 oil for general operating conditions. However, you can also use SAE 10W-40 or 30W oil depending on the temperature and specific application. Always consult the owner's manual for the most accurate recommendations for your specific engine model and operating conditions.
officially a 15hp engine max. But, if you take a old 2 strokes, you can put more.
About 15HP
15hp
a 9.9hp can be converted into a 15hp by putting a 15hp carbi on the 9.9 or the little valve that letts the fuel through can be change to a bigger one off a 15hp but that only makes it a 12hp orso. to make it a 15 you need to change the megaphone or exhast whicth can be done but it is very hard. this gives it more power just like when you powerband on a motobike
The maximum speed of the Isard 300 2cyl 15hp 1961 is 90 miles per hour.