MOTOR GMS 25 ROLETADO GMEG1125

This is a .25 2-Stroke Airplane ABC Engine w/ Remote Needle Valve from GMS.

FEATURES:

Low speed needle-equipped carburetor with High Speed Needle Valve mounted on the backplate to reduce chance of injury from spinning propeller

Aluminum Brass Chrome piston/sleeve construction

Adjustable exhaust outlet on muffler allows 360° rotation of muffler tip

Gold anodized heatsink head.

Ball bearing-supported crankshaft

One-piece crankcase with a bead-blasted finish 2 year warranty on all GMS engine

INCLUDES:

One .25 cid (4.07cc) airplane engine

One bolt-through muffler

One carburetor

One muffler gasket

One glow plug

Two allen key tools

Two muffler screws

One manual and parts list

REQUIRES: 

Attaching high speed remote needle valve and muffler.

5-15% airplane nitro fuel.

8x4 propeller for break-in

SPECS: 

Displacement: .25 cid (4.07cc)

Bore: 18mm

Stroke: 16mm

Output: .85 BHP at 18,000 RPM

Practical range: 2,400 - 19,000 RPM

Weight: 10.9oz (310g) with muffler

Center distance width across mounting holes: 1.5" (38mm)

Distance between mounting holes same side: 0.59" (15mm)

Length from front of crankcase to backplate screws: 3.0" (77.7mm)

Width across mounting flanges: 1.8" (45mm)

Total height of engine: 2.92" (74.2mm)

Length from center of head to front of crankcase: 2.2" (55mm)

Widest width of crankcase neglecting mounting flanges: 1.8" (45mm)

Length from front of crankcase to center distance of front mounting hole: 1.87" (47.5mm)

Height from crankshaft center to top of head: 2.3" (59.2mm)

Crankshaft thread size: 1/4-28

COMMENTS:

Propeller size range: 7x6-8x6

For the GMS .25 engine with front mounted needle

All GMS engines use the same owner's manual