25LA

The standard in sport engine technology, in a unique streamlined design

O.S. 2-year Limited Warranty

  • Specifications
  • Parts Listing
  • Accessories
Stock Number: OSMG0026
Displacement: 0.2485 cu in (4.0 cc)
Bore: 0.7087 in (18 mm)
Stroke: 0.63 in (16 mm)
Practical rpm: 2,500-16,000
Output: 0.59 hp @ 15,000 rpm
Weight: 6.9 oz (197 g)
Includes: #A3 glow plug, 20H carburetor, #E-2030 muffler
Recommended Props: 9x5, 9x6, 10x5

Primary Accessories

Stock Number Mfr Number Product Description Quantity Needed
 GPMQ4150   GPMQ4150  Great Planes Ultra Precision Fuel Filter 1
 OSMG2690   71605300  O.S. #6 A3 Glow Plug Hot Air 1
 TOPQ5055   TOPQ5055  Top Flite 9x5 Power Point Propeller 1

Field Equipment

Stock Number Mfr Number Product Description Quantity Needed
 HCAP2550   HCAP2550  Hobbico 4-Way Wrench w/Plug Storage 1
 HCAP3335   HCAP3335  Hobbico Safety Stick Engine Starter 1

Optional Accessories

Stock Number Mfr Number Product Description Quantity Needed
 GPMG1041   GPMG1041  Great Planes Adjustable Engine Mount .20-.48 1
 HAYG1064   064  Hayes KM-30 Engine Mount 1
 MACG1120   1120  Macs Tuned Pipe .19-.35/3.5cc 1
 MACG9521   9521  Macs Smoke System 1
 OSMG2612   22325100  O.S. Muffler Extension #842 1
 OSMG2784   71908100  O.S. Motor Mount 25LA 1
 OSMG2924   23024008  O.S. Spinner Nut 20-48 1
 OSMR2976   71521000  O.S. Long Socket Wrench With Plug Grip 1
 PAAP1453   PT31  Pacer Zap After-Run Engine Oil 1 oz 1
 TOPQ5060   TOPQ5060  Top Flite 9x6 Power Point Propeller 1
 TOPQ5080   TOPQ5080  Top Flite 10x5 Power Point Propeller 1