HPI Racing Nitro Star K4.6 High Output Engine Hellfire

Tower Stock# LXMDK4  •  Manufacturer Stock# 15204
HPI Racing Nitro Star K4.6 High Output Engine Hellfire (large view)
Notes from our tech department:
This is the HPI K4.6 High Output Pull Start Engine
for the HPI Hellfire

FEATURES

Composite body slide valve carburetor
High flow 2-stage foam air filter
Rear exhaust
Two year limited warranty

INCLUDES

HPI K4.6 High Output Pull Start Engine with air filter assembly,
cold R5 glow plug (HPIG1504), rubber exhaust gasket and instruction
manual

REQUIREMENTS

Fuel: Car blend with 20-25% nitro content
Track Equipment: Glow starter, fuel tubing

SPECIFICATIONS

Displacement: 0.28 cu in (4.59cc)
Bore: 18.6mm
Stroke: 16.9mm
Practical RPM: 3,100 - 39,500
Maximum Horsepower: 2.95 hp @ 38,000 rpm
Maximum RPM: 41,000
Carburetor Bore: 9.0mm with 8.0mm and 8.5mm reducer

Distance Between Mounting Holes Same Side: 0.83" (21mm)
Distance Between Mounting Holes Opposite Side: 1.5" (38mm)
Height Bottom of Mounting Tabs to Top of Cylinder Head: 3.8" (97mm)
Width at Mounting Tabs: 1.8" (45mm)
Width of Crankcase Below Mounting Tabs: 1.2" (39mm)
Distance from Front Bearing to End of Crankshaft: 1.2" (30mm)
Distance from Pull Start to Front Bearing: 3.4" (83.1mm)
Distance from Center of Engine to Front Bearing: 1.7" (44mm)
Distance from Center of Engine to Pull Start: 1.5" (38mm)

jxs 4/20/06
ir/jxs

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