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  • O. S. Engines FR7-420 Sirius-7 7-Cylinder

    Product Number OSMG1307
    $0.00

    y Please allow 5-7 days for free in store pick up or flat rate shipping.
    1/10 Desert Truck Rtr
    qty $0.00

    This is the O.S. Sirius7 FR7-420 7-Cylinder 4-Stroke Engine. jxs 06/24/10 ir/jxs...*More

    This is the O.S. Sirius7 FR7-420 7-Cylinder 4-Stroke Engine. jxs 06/24/10 ir/jxs*Less

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    • Impeller system distributes air-fuel mixture equally to each cylinder ensuring high performance and smooth idle
    • Main internal parts such as the crankshaft, cam holder and reduction gear are all plated to resist corrosion V-shaped individual valve covers for vintage scale appearance
    • Padded and lockable aluminum silver colored storage case
    • Bore:0.944 (24.0mm)
    • Crankshaft Size:UNF3/8-24
    • Displacement:0.6071cu in x 7 (9.95cc x 7)
    • Distance from Backplate to Drive Washer:6.2 (158.5mm)
    • Outer Diameter:9 (230mm)
    • Outer Edge of Backplate to Pushrod Covers:4.8 (122mm)
    • Practical RPM:1, 500 - 7, 000
    • Stroke:0.866 (22.0mm)
    • Weight:111.7 oz (3, 167g)
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