ASP FS91AR 19.96cc 4-stroke Engine for Nitro RC Planes

A = ABC  Engine
SII = Rear Needle Valve Engine
FS = Four Stroke Engine
R = RINGED ENGINES

General Specs:
- 1 cylinder
- Displacement: 0.910 cubic inches  19.96cc
- Bore: 1.091 (in.)
- Stroke In: 0.976 (in.)
- Low RPM: 2000
- High RPM: 11000
- 1.600 bhp @ 10500 RPM
- Weight (no muffler): 22.40 oz.

REQUIRES:
Glow Plug
Propeller: 12x7-8, 13x5-8, 14x5, 14x6, 15x4

Really super for Scale planes, Warbirds and throaty 4 stroke sound........

The ASP 4stroke engines are workhorses that are reliable and cost effiecient over
the competition. These engines will happily tick away idling at 1800rpm. These
engines benefit from use of 5-20% Nitro fuel.