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Home Horizontal Engines Honda GX390 QNR2 Horizontal Engine
Honda GX200 QXE2 Horizontal Engine
Honda GX200 QXE2 Horizontal Engine $353.00
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Honda GX200 RH2 Horizontal Engine
Honda GX200 RH2 Horizontal Engine $341.00

Honda GX390 QNR2 Horizontal Engine

$524.00

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SKU: 84959044 Category: Horizontal Engines
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Description
Honda GX390 QNR2 / GX390UT2QNR2 Horizontal OHV Engine 390cc, 11.7 Net HP, 1″ x 3 31/64″ Keyed Shaft, Tapped 7/16″, Oil Alert, 18 Amp Charging System, Ignition Panel and Switch

Key Specifications

BRAND Honda
MODEL NUMBER GX390-QNR2
REPLACES MODELS GX390K1-QNR2, GX390 K1-QNR2, GX390QNR2, GX390UT2-QNR2 GX390UT1QNR2, GX390UT2QNR2, GX390QNR2, GX390 QNR2
WARRANTY 3 Year Consumer & Commercial
SHIPPING WEIGHT 88
DISPLACEMENT 389cc
STARTER TYPE Electric & Recoil
CRANKSHAFT ORIENTATION Horizontal
CRANKSHAFT TYPE Straight
FUEL SYSTEM Gasoline
GEAR REDUCTION No
CRANKSHAFT DIMENSIONS 1″ x 3-31/64″
CRANKSHAFT LENGTH 3-31/64″
CRANKSHAFT END TAPPED SIZE 7/16 – 20
CRANKSHAFT KEYWAY WIDTH 1/4″
CRANKSHAFT ROTATION DIRECTION (FROM PTO SIDE) Counterclockwise
CYLINDERS 1
CYLINDER BORE TYPE Cast Iron
AIR CLEANER TYPE Dual Element
FUEL PUMP No
OIL COOLER No
OIL CAPACITY 38
LOW OIL ALERT No
LOW OIL SHUTDOWN Yes
IGNITION SYSTEM Digital CDI with Variable Timing
CARBURETOR TYPE Float
CHOKE CONTROL Manual
BOLT CIRCLE 5,6-1/2
NOTES Engine Notes:
PTO HEIGHT 5 – 1/4

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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    • Phone: +1 (714) 694-3374
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