Multiquip 912239014 Engine - OEM Replacement Part

This replacement engine powers the MRH800GS vibratory roller, delivering reliable 11 horsepower (8.2 kW) performance for demanding compaction applications. The Honda GX390 series engine features air-cooled 4-stroke OHV technology with 389cc displacement, horizontal shaft design, and both electric and recoil starting capabilities.

Specifications include a 3.5 x 2.5 inch cylinder bore and stroke, 1.61-gallon fuel capacity, 1.2-quart oil capacity with Oil Alert system, and standard cyclone air filtration. The engine operates at 3,600 rpm net power rating and includes centrifugal fly-weight speed control. Net weight is 69.4 lbs with dimensions of 15.0 x 17.7 x 17.4 inches. This engine is designed for unleaded automobile gasoline and features SAE J1349 certified power output.

Compatible with multiple Honda GX390 configurations including GX390K1SM32, GX390U1SM32, GX390UT2SM32, and GX390UT2SCM1 models. Regular maintenance includes oil filter replacement initially after 25 hours, then every 500 hours of operation using Mikasa genuine 10 micron filter paper.

Compatible Models:

• MRH800GS

Genuine Multiquip OEM part, sold by an authorized dealer.