This is HPI's Nitro Star F4.6 .28 size Engine With Pullstarter.
Can be installed in the HPI Savage X 4.6 Monster Truck,
for those who prefer an engine with a pull starter.
FEATURES: Composite construction slide valve, 7.5mm 3 needle carburetor, high
speed needle, idle screw and low speed needle are set flush with
the carburetor body for factory settings
8 port chrome plated brass sleeve
ABC cylinder construction, "A"luminum piston with a "B"rass cylinder
that is "C"hrome plated
Purple anodized billet aluminum heat sink head
Round rear exhaust port
Cast aluminum crankcase with heatsink fins
Machined pilot shaft crankshaft with collet preinstalled
Knife-edge billet aluminum connecting rod with dual bushings.
High flow 2-stage air filter dramatically reduces intake
restriction as it smoothes and straightens air flow
Two year limited warranty
INCLUDES: Nitro Star .28 F4.6 glow engine
Glow Plug - HPI R5 cold plug
Dual Stage Air Filter
Instructions and exploded views
SPECS: Height/bottom of Mounting Flanges/top of Cylinder Head: 4" (101mm)
Height/bottom of Crankcase/top of Cylinder Head: 4.5" (114mm)
Length from Pull Starter to Front Bearing: 3.3" (84.5mm)
Length from Pull Starter to end of Crankshaft: 4.6" (117mm)
Width at Mounting Flanges: 1.81" (45.9mm)
Mounting Hole Center Same Side: .82" (21mm)
Mounting Hole Center Opposite Side: 1.42" (36mm)
Bore: 18.68mm
Stroke: 16.6mm
Horsepower: 2.9 @ 32,000 RPM
Crankshaft diameter: 5mm (clutch bell area)
Crankshaft diameter: 6.7mm (threaded portion)
Displacement: 4.6cc (.28 ci)
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