OS Max OS Max 19210 120AX Ringed 1.20 Airplane Glow Eng W/Mflr

This is the O.S. Max Two Stroke 1.20AX Ringed Engine with Muffler.

FEATURES: Model Application: Ideal for 3D Precision and Sport flying
Mounting Application: Mounts in same space as the .91FX (actual
mounting dimensions vary slightly see SPECS)
Internal Construction: Steel piston ring and liner aluminum piston
Muffler: E-5020 “Power Box” with extension and 90? adapters
Carburetor: 70D with rearward angled needle valve for safety
Glowplug: O.S. #8 supplied with engine A5 (OSMG2693) can also be
used
Warranty: Two-year limited

INCLUDES: O.S. Max Two Stroke 1.20AX Ringed Engine with E-5020 Power Box
Muffler #8 glow plug muffler adapter prop washer and lock nut
needle valve extension cable instruction manual and decal sheet
two muffler screws two muffler extension bolts two long muffler
bolts.

REQUIRES: Fuel: Two stroke with 20% lubricant and 5-20% nitromethane
Propeller: 15×10-12 or 16×8-10
Field Equipment: Glow starter fuel filter fuel pump fuel tubing

SPECS: Displacement: 1.218 cu in (19.96cc)
Bore: 1.197″ (30.4mm)
Stroke: 1.083″ (27.5mm)
Practical RPM: 1 800 – 9 500
Power Output: 3.1ps/9000 RPM
Weight of engine:22.82oz (647g) without muffler extension or adaptor
Weight of muffler:7.074oz (219.2g) with 90? adapter installed
Weight of muffler:7.907oz (245g) with extension installed
Crankshaft thread size:5/16-24
Distance Between Mounting Holes Same Side: 0.98″ (25mm)
Distance Between Mounting Holes Opposite Side: 2.3″ (58mm)
Distance Center of Crankcase to End of Crankshaft: 4.3″ (109.5mm)
Distance Center of Crankcase to Drive Hub: 2.7″ (69.8mm)
Width Between Mounting Tabs: 2.6″ (67mm)
Width of Crankcase Below Mounting Tabs: 1.8″ (46.5)
Length from Backplate to End of Crankshaft: 5.5″ (139.9mm)
Length from Backplate to Drive Hub: 3.9″ (100.2mm)
Height/Bottom of Crankcase to Top of Cylinder Head: 4.3″ (109.2mm)
Height/Bottom of Mounting Tabs/Top of Cylinder Head: 3.4″ (85.7mm)
Distance center to center of muffler mounting holes:48mm(1.89″)