HPI Racing Nitro Star F4.6 V2 w/Pull Start

Tower Stock# HPIG1595  •  Manufacturer Stock# 111595
HPI Racing Nitro Star F4.6 V2 w/Pull Start (large view)
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Notes from our tech department:
This is the HPI Nitro Star F4.6 V2 Monster Truck Engine with Pull Starter.


Fits any HPI Savage or other 1/8 scale monster truck
1.3oz (37g) lighter and 0.47" (12mm) shorter than previous version
Larger fins on cylinder head for improved cooling
New pull starter uses one-way bearing encased in a large 14mm hex for
increased durability
Composite body slide valve F1 7.5mm carburetor
8 ports, 7 intake, one exhaust
Two year limited warranty begining at date of purchase, Valid only
on engines sold and used in the USA, Canada, and South America


F4.6 V2 Monster Truck Engine with Pull Starter, Cold R5 Glow Plug,
Air Filter, and Instructions


Glow Fuel: 15-25% car blend, 20% required for break-in
Air filter oil
Glow starter and track equipment


Displacement: 4.6cc
Bore: 18.68mm
Stroke: 16.6mm
Power: 2.9hp @ 32,000RPM
Distance between Mounting Hole Centers/Same Side: 083" (21mm)
Distance between Mounting Hole Centers/Opposite Side: 1.46" (37.2mm)
Crankcase Width below Mounting Tabs: 1.25" (32mm)
Width at Mounting Tabs: 1.8" (46mm)
Height/bottom of Mounting Tab/top of Cylinder Head: 3.5" (88mm)
Height/bottom of Crankcase/top of Cylinder Head: 4" (102mm)
Length/Pull Starter to Front Bearing: 3.3" (84mm)
Length/Pull Starter to end of Crankshaft: 4.5" (114mm)

Carburetor Settings:
High Speed Needle, 2-2/2 turns clockwise from flush
Idle Screw: Set throttle trim on transmitter so that throttle is in
neutral position, turn screw counter-clockwise to reduce idle
speed, or clockwise to increase idle speed. Set idle speed high
enough to keep engine running smoothly, but not high enough to
engage the clutch.
Low Speed Needle: No adjustment recommended. For increased
performance, set after high-speed needle is adjusted. Turn needle
in 1/8 turn increments for better bottom end throttle response.
Caution-never turn in more than 2 turns from flush. This will
cause engine to run too lean and will result in damage.

NOTES: The front bearing is 19x7x6, the rear bearing is 25x14x6 jxs 10/23/14

Parts Compatibility
Easy RC: Engines
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