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HPI Racing - HPIG1501 HPI15201 15201 944258152011 4944258152011
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Accessories Needed

Replacement & Optional Parts

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HPI Racing Nitro Star K4.6 Engine w/Pull Start
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HPI Racing Nitro Star K4.6 Engine w/Pull Start
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Tech Notes
        This is HPI's Nitro Star K4.6 .28 size Engine With Pullstart.
     This is the standard engine for the Savage SS .28 monster truck kit.

FEATURES: Composite construction slide valve, 3 needle carb with hand adjustable high speed needle (the stock carb settings are made flush for convenient "back to factory settings") 8 port chrome plated brass sleeve True ABC cylinder construction Purple anodized machined aluminum heat sink head Rear exhaust round port Cast aluminum crankcase features heatsink fins Machined pilot shaft crankshaft with collet preinstalled Knife-edge billet aluminum connecting rod with dual bushings. Dual stage air filter dramatically reduces intake restriction as it smoothes and straightens air flow

INCLUDES: Nitro Star .28 (4.6) glow engine Glow Plug - HPI R5 cold plug (HPIG1504 for a replacement) Dual Stage Air Filter (HPIC7198 for replacement) Instructions and parts break down

SPECS: Crankcase: 3.29" (83.5mm) (from rear of case to front without shaft) Height: 4.40" (111mm) (from bottom of case to the top of the head) Width: 1.81" (mount flange) Mount Holes: 1.42" (measured from center to center width) Mount holes: .82" (Between holes front and back) RPM: Max 39,000 RPM Horsepower: 2.9 @ 35,000 RPM Crankshaft diameter: 5mm (clutch bell area) Crankshaft diameter: 6.7mm (threaded portion) Crankshaft screw: 3 x 12mm caphead screw Capacity: 4.60cc (.28 ci)

REQUIRES: Glow fuel Glow starter Vehicle requiring a rear exhaust .28 engine. Tuned pipe Manifold

COMMENTS: This engine can be converted from recoil to Roto Start with HPIP7126. If the modeler only wants a recoil backplate, they can purchase HPIG7127. kpm02/17/2000 ir/jxs

– If you need more information, use these HPI Racing resources –
Web Site:
Phone: 888-349-4474
  Postal Address:
HPI Racing

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Parts Compatibility
Parts Compatibility for HPI Racing Nitro Star K4.6 Engine w/Pull Start
This item is a replacement part for the following:
 LXMYA2 HPI Racing 1/8 Savage X SS K4.6 Nitro Monster Truck Kit  (Parts List)

Accessories Needed

Accessories for the HPI Racing Nitro Star K4.6 Engine w/Pull Start

Primary Accessories     Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
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 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
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7.69   In Stock
Subtotal for this Group of Accessories: 7.69  

Primary Accessories     Optional Accessories

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