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NorthStar e420 EFI OHV Horizontal Engine, 420cc, 1in. x 3-31/64in. Shaft

Item# 114594
NorthStar e420 EFI OHV Horizontal Engine, 420cc, 1in. x 3-31/64in. Shaft

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NorthStar e420 EFI OHV Horizontal Engine, 420cc, 1in. x 3-31/64in. Shaft

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  • Model# E420; 420 EFI engine with 1in. x 3-31/64 horizontal shaft
  • OHV overhead valve design
  • CDI ignition system with recoil start featuring compression release for first pull starts
  • Bolt circle: 5in. and 6.5in.; mounting base: 7-11/16in. x 3-3/16in.; 3-11/16in. (approx.)
  • Cast iron cylinder sleeve reduces bore wear to extend engine life and reduces emissions and oil consumption

  • Prop 65 Warning: See Details

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  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

The NorthStar E420 EFI OHV Horizontal Engine is designed for the most demanding applications. This 1,000-hour engine provides enough power to run a wide range of equipment, including pressure washers, compressors, log splitters and chipper/shredders. It runs head-to-head in reliability and durability when compared to brands such as Honda and Kohler, all while incorporating EFI technology most competing brands don't offer. Electronic Fuel Injection (EFI) allows for fuel efficiency, easy starting in all weather conditions and eliminates common carburetor complications. The NorthStar engine is reliable, easy starting and meets EPA emission level standards across 49 states. Each engine undergoes thorough U.S.-based testing to ensure exceptional reliability and includes dedicated customer/tech support to help make it an incredible value. Patent Protected. The NorthStar e420 EFI Commercial Engine is a great replacement engine for: Honda: GX340, (389cc), GX390, (389cc), Briggs & Stratton: XR1650, (420cc), XR2100, (420cc), Kohler: CH440, (429cc), ECH440, (429cc), ECH440LE, (429cc), Yamaha: MZ360, (357cc), MX360, (358cc), MX400, (402cc).
Replacement compatibility may vary based on engine shaft, mounting plate, dimensions, and other specifications. Always verify specifications prior to purchase. Please see product manual for additional information.

What's Included

    (1) Horizontal engine (1) Spark plug wrench

Downloads

Product Manual
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Features + Benefits

  • Model# E420; 420 EFI engine with 1in. x 3-31/64 horizontal shaft
  • OHV overhead valve design
  • CDI ignition system with recoil start featuring compression release for first pull starts
  • Bolt circle: 5in. and 6.5in.; mounting base: 7-11/16in. x 3-3/16in.; 3-11/16in. (approx.)
  • Cast iron cylinder sleeve reduces bore wear to extend engine life and reduces emissions and oil consumption
  • Easy-to-install model for small engine needs
  • 1,000-hr. engine delivers enough power to run a wide range of equipment, including log splitters and pressure washers
  • EFI Electronic Fuel Injection allows for fuel efficiency, easy starting in all weather conditions and eliminates common carburetor complications
  • Heavy-duty 6.2L metal fuel tank
  • USDA Forestry-approved Spark Arrestor for added safety
  • Illuminated NorthStar Logo showcases quick, at-a-glance engine running condition
  • Forged-steel crankshaft offers superior strength in high-torque PTO applications
  • Dual ball bearings reduce friction and wear, delivering smooth operation and longer life
  • Internal oil splash enhancement system delivers extra lubrication
  • Sound pressure balanced muffler for quieter operation
  • Black aluminum alloy cylinder head cover
  • All-metal camshaft
  • Upgraded deep groove ball bearing
  • Low oil shutdown turns the engine off if it runs low on oil, preventing serious damage or failure
  • Pleated paper air filter and foam pre-cleaner for superior protection from harmful debris

Key Specs

AttributeSpecification

item#

114594

Brand

NorthStar

Manufacturer's Warranty

5 year limited warranty

Ship Weight

90.0 LB

Engine Displacement

420 cc

Engine Type

4-stroke, Overhead, Single Cylinder

Shaft Diameter

1 in

Shaft Diameter Metric

25.4 mm

Shaft Length

3.48 in

Shaft Length Metric

88.39 mm

Start Type

Recoil

Shaft Keyway

6.3mmW x 56mmL (2 13/64in.) in

Crankshaft

Forged Steel

Cylinders (qty.)

1

Net Power Output

8.8 HP

Fuel Tank

Yes
AttributeSpecification

Fuel Tank Capacity

6.55 qt

Oil Capacity

1.16 qt

Low Oil Shutdown

Yes

Low Oil Alert

Yes

Shaft Rotation (From PTO Shaft Side)

Counter Clockwise

Governor System

Yes

Ignition System

CDI

Carburetor

EFI

Lubrication System

Splash

Bearing Type

Ball

Cooling System

Air

Bore

3.54 in

Stroke

2.6 in

Air Cleaner Type

Dual Element

Charging System Amps

5

Muffler Included

Yes

Reviews

Questions & Answers

6 Reviews This action will navigate to reviews.

Questions

1–7 of 7 Questions  
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  1. Can the idle speed be adjusted

    1 answer

    1. The idle speed is preset and should not be adjusted. Modifications to the engine would void the warranty.

      Helpful?

  2. Can I add an electric starter to this model even though it does not come with one?

    1 answer

    1. This engine is not designed to have an electric starter added. Modifications to the engine would void the warranty.

      Helpful?

  3. Is there a remote start and throttle option?

    1 answer

    1. A throttle cable can be installed; however, we do not recommend modifying this engine with a remote starter.

      Helpful?

  4. What are the dimensions of this motor width length and hight

    1 answer

    1. The overall dimensions of this engine are 20.28" long x 14.57" wide x 18.31" high.

      Helpful?

  5. Does this machine come from factory with a governor in it? 

    1 answer

    1. This engine is not equipped with a governor. The RPM of this engine is electronically controlled by the engine control unit (ECU).

      Helpful?

  6. Does this engine have a charging coil

    1 answer

    1. This engine is equipped with a charging coil.

      Helpful?

  7. Does this engine have pressurized lubrication system or is it splashed lubrication??

    1 answer

    1. This engine is equipped with a splash type lubrication system.

      Helpful?

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Warranty

Manufacturer's Warranty

5 year limited warranty