OS .81 VR-M Marine Nitro Boat Engine

I am the original owner. The engine has a new set of bearings installed was lubricated and put into storage. Very reliable running making it friendly to the novice or experienced. I am getting out of the hobby.

Thanks for looking. If you have any questions please send me an e-mail

Displacement: 13.01cc (0.794 cu in)
Bore: 26.0mm (1.024")
Stroke: 24.5mm (0.965")
Power Output: 4.2 PS at 22,000 RPM
Weight: 914g (32.26oz)
Practical RPM Range: 2,500 - 25,000 RPM