HPI Nitro Star F4.1 w/Pull Start 1408

This is the HPI Nitro Star F4.1 Engine with Pull Start used in the Savage X.

Features

• HPI Nitro Star F4.1 w/Pull Start 1408

• Composite body slide valve carburetor with 7.5mm bore

• Anodized purple oversize cooling head

• SG (pilot) type crankshaft

• Two year limited warranty

Specifications

• Specs such as horsepower, bore, stroke and RPM were not provided- contact HPI for further infomation

• High Speed Needle Setting: Turn clockwise in 1/8 turn increments to lean fuel mixture. Do not exceed 2-1/2 turns from flush

• Idle Adjustment: Adjust for about 0.04" (1mm) gap between slide valve and carb body at bore opening

• Low Speed Needle: No adjustment recommended

• Displacement: .25 cu in (4.1cc)

• Weight: 14.99oz (425g) without air filter

• Distance Between Mounting Holes Same Side: 0.83" (21mm)

• Distance Between Mounting Holes Opposite Side: 1.4" (36.5mm)

• Height/Bottom Mounting Flanges to Top of Cylinder Head: 3.8" (96mm)

• Height/Bottom of Crankcase to Top of Cylinder Head: 4.3" (110mm)

• Length from Pull Starter to End of Crankshaft: 4.4" (113mm)

• Length from Pull Starter to Front Bearing: 3.3" (84.3mm)

• Length from Center of Crankcase to End of Crankshaft: 2.9" (75mm)

• Diameter of Exhaust Outlet: 0.59" (15mm)

• Diameter of Carburetor Opening: 0.53" (13.5mm)

• Diameter of Carburetor Bore: 0.29" (7.5mm)

Contents

• HPI Nitro Star F4.1 Engine with Pull Start, instruction manual, R5 cold glow plug (HPIG1504), foam air cleaner assembly with four zip ties, brass collet

Requirements

• Fuel: Car blend with 20-25% nitro content

• Misc Items: Fuel tubing and track equipment

Comments

• Replacement pull-starter is HPIG1428.