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Instruction Manuals:	Manual 1 (1.8 MB)
Tower Catalog Page:	199
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           This is the O.S. Max .12TG P On-Road R/C Vehicle Engine
           with 12D Slide Valve Carburetor and without Pull Starter.
                                  ROAR Legal.

FEATURES: ABL (Advanced Bi-metallic Liner) This process uses a double layer of
            plating material rather than one thick layer. This helps the metal
            bond to the cylinder and is more durable. Also, the plating process
            is more consistent, resulting in a more precise fit between piston
            and sleeve for better compression, longer life.
          Pilot style crankshaft
          Two year warranty

INCLUDES: O.S. Max .12TG P engine, 12D Slide Valve Carb, #8 glow plug

REQUIRES: Car Blend Fuel: 20% nitro
          Air Filter (OSMG2384 or OSMG2360)
          Electric starter and exhaust system depending on vehicle
          Glow starter and track equipment

SPECS:    Displacement:        0.128 cu in (2.1cc)
          Bore:                0.543" (13.8mm)
          Stroke:              0.551" (14.0mm)
          Practical RPM Range: 5000-30,000
          Power Output:        0.7ps @ 28,000rpm
          Weight:              7.45oz (211.3g)
          Crankshaft Size:     1/4-28 pilot-shaft style
          Distance between mounting holes same side:              .43" (11mm)
          Distance between mounting holes opposite side:         1.24" (31.4mm)
          Distance/top of cyl.head to bottom of mounting flange: 3.03" (77mm)
          Height/bottom of crankcase to top of cylinder head:    3.54" (90mm)
          Width between mounting flanges:                        1.53" (39mm)
          Width of crankcase beneath mounting flanges:           1.00" (25.4mm)
          Exhaust outlet, outer diameter:                        0.55" (14mm)
          Exhaust outlet, inner diameter:                        0.39" (10mm)
          Carb inlet, outer diameter:                            0.63" (16mm)

          Needle Settings: High Speed: 2.5 turns out from fully closed
                           Mixture Control (low speed): flush with ball link
                                       body
                           Throttle Stop Screw: .5mm - 1mm open from fully
                                       closed

COMMENTS:  Some points on Slide Valve and Rotary carburetors-
           Rotary carbs offer a larger response in the middle of the engine's
             power band. This is desirable for off-road applications where
             throttle response must be varied.
           Slide Valve Carbs provide greater response at the beginning and end
             of the power band. This works well for on-road and racing vehicles
             demanding fast take-offs and high speed.

                                                                   jxs 10/17/06
                                                               upd NNA 01/06/07
                                                                         ir/jxs
                                                               updt lmm 4/14/09



– If you need more information, use these O.S. resources –

Click Here: Manufacturer's Product Web Page
E-mail: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970


 
Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822  








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