QMB139 Shortcase Engine 50cc
50cc 4-stroke QMB139 complete engine assembly. Short crankcase version.
Engine is set up for PAIR Emissions System. PAIR is an acronym for Pulsed Secondary Air Injection System. It is an emissions control system used to lower HC and CO emissions. It works by allowing air into the exhaust flow.
Please Read The Following Important Notices:
This engine is shipped dry, included oil not installed. Includes 1 Liter of Bel-Ray Gear Saver Hypoid Oil 80W-90 and 1 Liter of Bel-Ray EXL Mineral 4T Engine Oil 10W-40. DO NOT RUN ENGINE WITHOUT ADDING SPECIFIED AMOUNTS OF OIL.
Check oil level after letting the engine idle for a few minutes, add additional oil if needed.
Set Up For Drum Brakes
This Engine Only Ships to the Continental U.S.