Ofna Hyper .21 8-Port Race Engine Rear Exhaust OFNG0152

This is a .21 Hyper 8-Port Racing Engine with Rear Exhaust from OfnaThis engine is used to power 1/8 scale R/C kits.*NOTE* Some kits require extra items to install and operatethis engine. Check kit requirements for these parts.FEATURES: Oversized flow-through gray anodized cylinder headABC...

This is a .21 Hyper 8-Port Racing Engine with Rear Exhaust from Ofna
This engine is used to power 1/8 scale R/C kits.
*NOTE* Some kits require extra items to install and operate
this engine. Check kit requirements for these parts.

FEATURES: Oversized flow-through gray anodized cylinder head
ABC construction (Aluminum piston with a Chromed Brass cylinder)
Rear exhaust
Ball bearing-supported crankshaft
Slide Valve carburetor for greater response at the beginning and
end of the power band. This works well for on-road and racing
applications for fast take-offs and high speed.
Needle valve adjusted by a screwdriver
SG (Pilot) shaft

INCLUDES: One .21 Ofna Hyper racing engine w/slide valve carburetor and rear
exhaust
One brass collet (these hold flywheel in place)
One running and parts information sheets
One Hyper .21 decal sheet

SPECS: Displacement: 3.49cc (0.21 cubic inches)
Bore: 16.26mm Stroke: 16.8mm
Horsepower: 2.7 @ 38000 RPM
Weight: 350g (12.3oz)
Carburetor opening: 15mm
Length: 85mm (3.355") front of front bearing to back of pull start
120mm (4.72") pull start to end of crankshaft
Width: 31mm (1.21") width neglecting the mounting flanges
21mm (0.83") mounting holes same side
37mm (1.5') mounting holes opposite side
Height: 113mm (4.428") from bottom of crankcase to top of cylinder head
16mm (0.63") distance from bottom of mounting flanges to
bottom of crankcase
(contact Ofna for more technical information)

REQUIRES: Fuel with 5%-30% Nitromethane (20% is recommended) and a lubricant
content of 16% or more
Muffler or tuned pipe w/manifold
Glow plug: long without idle bar, can use O.S. Max #8 (OSMG2691)

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