CHRISTMAS IN JULY SALE

Save Up To $250!

40TH ANNIVERSARY BLOG

Celebrating 40 years of Horizon Hobby!

CLEARANCE SALE

Save Big While Supplies Last

CHRISTMAS IN JULY SALE

Save Up To $250!

40TH ANNIVERSARY BLOG

Celebrating 40 years of Horizon Hobby!

CLEARANCE SALE

Save Big While Supplies Last

Discontinued

21XM VII .21 Air Cooled Outboard Marine Engine

OS Engines - OSMG1720

Product Details

In The Box

21XM Version II Outboard Marine Engine1
Muffler1
Mounting Plate1
#8 Glow Plug1
Propeller1
Outboard Unit1
Steering Arm1
Product manual1

Needed to Complete

Glow Fuel: 10-30% nitromethane content, use 20% for break-in Glow plug igniter and shore equipment

Product Details

In The Box

21XM Version II Outboard Marine Engine1
Muffler1
Mounting Plate1
#8 Glow Plug1
Propeller1
Outboard Unit1
Steering Arm1
Product manual1

Needed to Complete

Glow Fuel: 10-30% nitromethane content, use 20% for break-in Glow plug igniter and shore equipment