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  • O. S. Engines .28Xz P Truggy Abc 21J Slide Carburetor

    Product Number OSMG2074
    $0.00

    x In stock, available for free in store pick up or flat rate shipping.
    1/10 Desert Truck Rtr
    qty $0.00

    This is the 2-stroke O.S. Max 28XZ Truggy Engine. ****** Because of the expressed racing nature of this engine, ****** ****** it is NOT covered by the O.S. ...*More

    This is the 2-stroke O.S. Max 28XZ Truggy Engine. ****** Because of the expressed racing nature of this engine, ****** ****** it is NOT covered by the O.S. 2 Year Warranty ****** ****** per page 8 of manual ****** Needle Settings: High Speed: 3 turns out from fully closed Metering Needle (low speed): Rotary: flush with carb body Slide: flush then 1/2 turn in Throttle Stop Screw: .5mm out from fully closed COMMENTS: The O.S. Max T-2060 WN Speed Tuned Pipe OSMG2939, OSMG2938 is an ideal exhaust system for the 28 XZ. Flywheel sets are required (OSMG2648 for Mugen, OSMG2649 for Kyosho, both sold separately) for certain truggy models. Some notes on rotary and slide valve carburetors; Rotary carbs offer a larger response in the middle of the power band. This works well for off-road applications when 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 applications for fast take-offs and high speed. jxs 7/06/07 tlw 9/06/07 ir/jxs updt lmm 4/14/09*Less

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    • Aluminum crankcase, black in color
    • Designed for 1/8 scale truggy applications
    • Six port piston sleeve ensures high power
    • Three needle 21J slide valve carburetor 8mm red carb insert for smaller tracks that restrict air intake and 9mm blue carb insert for higher RPM applications and larger tracks
    • Bore:0.728 (18.5mm)
    • Displacement:0.284 cu in (4.65cc)
    • Distance between Mounting Holes Opposite Side:1.4 (37mm)
    • Distance between Mounting Holes Same Side:0.83 (21mm)
    • Distance from Crankcase Center to Drive Washer:1.7 (43.9mm)
    • Height/bottom of Crankcase/top of Cylinder Head:4.4 (111.9mm)
    • Length from Backplate to Drive Washer:2.9 (73.3mm)
    • Output:3.31 PS, 3.26 HP/32, 000 RPM
    • Practical RPM Range:4, 000-38, 000 RPM
    • Stroke:0.681 cu in (17.3mm)
    • Weight:13.2oz (375g)
    • Width of Crankcase Below Mounting Flanges:1.2 (31.6mm)
    • Width of Mounting Flanges:1.8 (45mm)
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