Rotax 912ULS, 100 HP Engine


Rotax 912ULS, 100 HP Engine

SKU: Rotax 912ULS Category: Tags: , , ,


Rotax 912ULS, 100 HP Engine

Chosen to power the Searey Classic, Searey LSX and Searey Sport amphibious aircraft.


  • 4-stroke engine specially developed for recreational aircraft.
  • 4 horizontally opposed cylinders, “boxer” configuration
  • Free air cooled cylinders, liquid cooled cylinder heads with integrated pump and expansion tank
  • Dry sump forced lubrication with integrated pump and separate oil tank
  • 8 valves, automatic adjustment by hydraulic valve tappet
  • Dual Capacitive Discharge Ignition (DCDI) with RFI noise suppression
  • Two Bing Constant Depression (CD) carburetors
  • Mechanically driven diaphragm fuel pump
  • Integrated heavy duty electric starter
  • Integrated reduction gearbox, ratio of 2.43:1 with slipper clutch standard
  • Operates on automotive fuel with a minimum octane rating of 91 (Canadian standards)
  • Time Between Overhauls (TBO): 2000 hours


  • All engines must be prepaid in full prior to ordering.
  • Rotax will not ship ANY engine without prepayment.
  • Payment accepted on engines are check, certified check or wire transfer. All checks must clear prior to ordering from Rotax.
  • If a price increase is pending, wire transfers are highly recommended!
  • We do not accept credit cards for payment on engines!
  • Shipping: Price listed is for the engine only.  Freight  charges  will be quoted and added to the order at time of shipment.

Pricing valid as of 1/1/2022, however subject to change at any time.