View Larger Picture

E-mail This Page To A Friend

            This is the Ofna Force .32 cu in (5.2cc) Nitro Engine
                with Pull Starter and SG (pilot) Crankshaft.

FEATURES: Unique pull start pin design allows conversion to non-pull start by
            purchasing different rear engine covers-
            OFNG5209 52090 Backplate
            OFNG5633 50633 Backplate Torque Start
                     50010 Backplate Force/Picco Shaft Start
          ABC cylinder & piston set-"A"luminum piston,"B"rass cylinder liner
            with  "C"hrome plating on the cylinder
          Improved porting for higher torque and RPM power
          Competition slide valve carburetor
          Oversized cylinder head for efficient cooling, gun metal gray in
            color

INCLUDES: Ofna Force .32 cu in (5.2cc) Pull Start Nitro Engine with instruction
            sheet, rubber exhaust gasket, collet and 3x6mm socket head screw
            to hold clutch assembly to crankshaft
REQUIRES: Fuel: Car fuel with 20% nitro content, DTXP0530
          Glow Plug: Long, without idle bar, OSMG2693

SPECS:    Displacement: .32 cu in (5.2cc)
          Exhaust: Rear
          Bore: 19.5mm
          Stroke: 17.5mm
          Liner: ABC
          Number of Ports: 6
          Crankshaft: 14.0mm SG (pilot) shaft
          Piston: Fully CNC-machined aluminum alloy
          Connecting Rod: 7075 aluminum double bushing
          Claimed Output: 3+ @ 33,000RPM
          Max RPM: 36,000

          Needle Settings: Main Needle Valve: 3-3-1/2 turns from closed
                           Low Speed: Flush with ball end
                           Barrel Stop Screws: 1/16" gap to start new engine

          Distance Between Mounting Holes Same Side: 0.83" (21mm)
          Distance Between Mounting Holes Opposite Side: 1.5" (38mm)
          Height Bottom of Mounting Tabs to Top of Cylinder Head: 4" (102mm)
          Width at Mounting Tabs: 1.8" (45.8mm)
          Width of Crankcase Below Mounting Tabs: 1.2" (30mm)
          Distance from Pull Start to Front Bearing: 3.3" (84.3mm)
          Distance from Center of Engine to Front Bearing: 1.8" (45mm)
          Distance from Center of Engine to Pull Start: 1.5" (39mm)

                                                                    jxs 3/22/06
                                                                         ir/jxs



– If you need more information, use these Ofna resources –

E-mail: help@ofna.com
Web Site: http://www.ofna.com/
Phone: 949-586-2910


 
Postal Address:
Ofna
7 VANDERBILT
IRVINE, CA 92618  








Click here for Units of Measure Conversion Calculators