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Os engines motor 21VG (P) ES Electric Start w/21F Slide Carb | Ref.: OSMG13642
Fabricantes: OS engines
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This is the O.S. Max 21VG (P) ES Electric Start, Rear Exhaust
Monster Truck and Buggy Engine with Pilot Type Crankshaft.
Excellent mid-range power for 1/8 scale buggies and trucks
to compete in ROAR sanctioned events.
FEATURES: Preinstalled E.S. Starter backplate is designed to use the Duratrax
Kwik-Pit Super Start (DTXP6005) for the HPI Savage or the HPI
Roto Starter System (HPIP8711)
Advanced Bi-Metallic Liner (ABL) cylinder liner construction
This process uses a double layer of plating material rather than
one thick layer. This helps the metal bond to the cylinder and is
more durable. Also, the plating process is more consistent,
resulting in a more precise fit between piston and sleeve for
better compression and longer life.
Machined aluminum piston, 3-port cylinder liner and double bushed
knife edge connecting rod
two needle slide valve carburetor with insulated
sleeve to prevent fuel vaporization
SG (pilot) type one-piece crankshaft
INCLUDES: O.S. Max 21VG (P) ES Electric Start Monster and Buggy Truck Engine,
illustrated manual, One Exhaust manifold seal, one #8 glow plug,
and preinstalled E.S. Starter backplate
REQUIRES: Duratrax Kwik-Pit Super Start System (DTXP6005) or the HPI Savage
Roto Starter System (HPIP8711)
Car blend nitromethane fuel with 10-30% nitromethane content, 20%
nitro content recommended as starting point
Most of the fuels we carry meet or exceed the lubricant content
required for optimum performance and maximum engine life. In the
past, the conventional lubricant content used in fuel was 18%. But
with new advanced technologies, fuels like Red Alert and O'Donnell
for example, have a better quality of lubricants even though the
percentages of lubricant content are lower. These high-tech
lubricants provide exceptional cooling and protection.
SPECS: Displacement: 0.211 cu in (3.46cc)
Bore: 0.654" (16.6mm)
Stroke: 0.63" (16.0mm)
Practical RPM: 3,000-36,000
Power Output: 2.0 ps/30,000 RPM
Weight: 15oz (429g)
Crankshaft Size: 1/4-28
Factory Needle Valve Setting: 2.5turns open from the closed position
Mixture Control Valve Setting: Adjust so that carb is approximately
1mm open at idle
Metering Needle Valve Setting: Flush with the ball link body
Distance Between Mounting Holes Same Side: 21mm (.83")
Distance Between Mounting Holes Opposite Side: 37mm (1.5")
Height Bottom of Mounting Tabs to Top of Cylinder Head: 87.4mm (3.4")
Width of Mounting Tabs: 45mm (1.8")
Width of Crankcase Below Mounting Ears: 30.8mm (1.2")
Distance from Front Bearing to end of Crankshaft: 29.5mm (1.2")
Distance from Center of Engine to Front Bearing: 44mm (1.7")
Distance from Center of Engine to Backplate: 21.3mm (.84")