boat engine cover plate

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    Digital Hour Meter Tachometer Tach Tacho for Yamaha KTM Honda Kawasaki BMW Motorcycle Dirt Bike ATV UTV Quad Generator MX Snowmobile Boat Outboard Jet Ski 4 2 Stroke Gas Engine
    Automotive Parts and Accessories (T-Motorsports)


    T-Motorsports

    Price: $19.99
    You Save: $5.36 (27%)

    • Easy to install, instructions & user manual included,Programmable maintenance interval setting
    • Can reset total hours and maintenance time,Wrap first wire around your spark plug cable, connect second wire anywhere on the engine or frame
    • Replaceable internal battery rated for 35,000 hour of operation
    FA-40A 4 Stroke Engine
    Toy (Saito Engines)


    Saito Engines

    List Price: $359.99
    Price: $168.79
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    All Power America APG3014 2,000 Watt 4-Stroke Gas Powered Portable Generator
    Lawn & Patio (All Power America)


    All Power America

    List Price: $199.99
    Price: $199.99


    • Runs 9.5 hours at 50% load
    • 3 HP 4-Stroke Engine
    • Low Noise at 68dB
    Motul 832621-12PK Classic Oil SAE50 4 Stroke Engine Oil for Vintage Car and Motorcycle - 2 Liter Case - Pack of 12)
    Automotive Parts and Accessories (Motul)


    Motul

    List Price: $252.51
    Price: $195.66
    You Save: $56.85 (23%)

    • Specially formulated all engines of collector cars and bikes built before 1950
    • Very low detergency and does not attack seals
    • Reduces internal frictions due to the high film strength available even in severe conditions
    Valvoline VV740 MC 4-Stroke 10W-40 Motor Oil, Pack of Twelve 1 Quart Bottles
    Automotive Parts and Accessories (Valvoline)


    Valvoline

    Price: $67.72


    • Valvoline 4-Stroke Motorcycle Oil is formulated to help: Protect at High RPMs and Temperatures - Thermally stable formula helps maintain proper lubrication and protect engines under high RPM and high temperature conditions
    • Protect Wet Clutch - Optimal frictional characteristics for maximum power transfer, smooth shifting and proper protection of the wet clutch
    • Prevent Corrosion - Special additives help protect the engine from combustion by-products which cause corrosion

4 stroke engine

3d demonstration of how a 4 stroke twincam 4 cilynder engine is, viewed from the inside...

4-stroke engine

4-stroke engine www.factfrog.com

2 stroke outboard Vrs. 4 stroke outboard

Inside look of the 2 and 4 strokes ouboards, and see why the 2 stroke is better.