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HPI Racing - HPIG1595 HPI111595 111595 944258022963 4944258022963
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HPI Racing Nitro Star F4.6 V2 w/Pull Start
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HPI Racing Nitro Star F4.6 V2 w/Pull Start
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Tech Notes
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

– If you need more information, use these HPI Racing resources –
Email: support@hpiracing.com
Web Site: http://www.hpiracing.com/
Phone: 888-349-4474
  Postal Address:
HPI Racing

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Parts Compatibility
Parts Compatibility for HPI Racing Nitro Star F4.6 V2 w/Pull Start
This item is a replacement part for the following:
 LXEDVY HPI Racing 1/8 Savage X 4.6 Nitro RTR  (Parts List)

Accessories Needed
This is the HPI Nitro Star F4.6 V2 Engine with Pull Starter.

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

Primary Accessories     Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXVH20 Duratrax Air Filter Oil 1.75 fl oz
Qty Discount Available
4.99   In Stock
 LXDBPE Great Planes After Run Engine Oil 2 fl oz
Qty Discount Available
3.49   In Stock
 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
Qty Discount Available
8.99   In Stock
Subtotal for this Group of Accessories: 17.47  
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Primary Accessories     Optional Accessories

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