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  • 20 HP 4-Stroke Outboard, 115lb., 15 inchL

    Mercury Marine s 4-stroke technology consumes 40% less fuel than 2-stroke models for extraordinary value and savings Engines surpass California Air Resources Board (CARB) 3-Star Rating, making them some of the cleanest running on the market with reduced emissions of more than 91% compared to traditional 2-stroke outboards! The inherent 4-stroke characteristics of ultra-quiet, smoke-free operation, plus smooth idling and running make these engines a natural choice whether you re trolling for fish or out just

  • Motion Pro 4-Stroke Leak Down Tester

    Motion Pro Dirt Bike Motocross Tools. Motion Pro 4-Stroke Leak Down Tester Designed to check percentage of cylinder leakage in 4-stroke engines Air source of 70 to 160 psi required to pressurize cylinder; gauge registers total leakage past rings head gasket intake and exhaust valves Listen to carburetors exhaust system etc. to find the problem Kit includes 10mm 12mm and 14mm spark plug adapters regulator and gauge

  • 4 HP 4-Stroke Outboard, 55lb., 15 inchL

    Mercury Marine s 4-stroke technology consumes 40% less fuel than 2-stroke models for extraordinary value and savings Engines surpass California Air Resources Board (CARB) 3-Star Rating, making them some of the cleanest running on the market with reduced emissions of more than 91% compared to traditional 2-stroke outboards! The inherent 4-stroke characteristics of ultra-quiet, smoke-free operation, plus smooth idling and running make these engines a natural choice whether you re trolling for fish or out just

  • 2.5 HP 4-Stroke Outboard, 41lb., 15 inchL

    Mercury Marine s 4-stroke technology consumes 40% less fuel than 2-stroke models for extraordinary value and savings Engines surpass California Air Resources Board (CARB) 3-Star Rating, making them some of the cleanest running on the market with reduced emissions of more than 91% compared to traditional 2-stroke outboards! The inherent 4-stroke characteristics of ultra-quiet, smoke-free operation, plus smooth idling and running make these engines a natural choice whether you re trolling for fish or out just

  • Motion Pro 4-Stroke Leak Down Tester

    Motion Pro 4-Stroke Leak Down Tester Motion Pro 4-Stroke Leak Down Tester Item # 503537 Our Price: $151.16 Designed to check the amount of cylinder leakage in a 4-stroke engine. With an air source of 70 to 160 psi, this system will pressurize the cylinder with 60 psi of air. Gauge will register the total percentage ofleakage past the rings, head gasket, intake and exhaust valves. 10, 12, and 14 mm spark plug thread hoses, regulator and gauge included. Speeds up troubleshooting and helps to isolate bad

  • 124cc, 4 Stroke, Air Cooled (9.8 HP)

    125 cc Colors Available: Red, Blue, Black, Green, Yellow ON SALE NOW! Suggested Retail Price: $2799.99 $999.99 FREE SHIPPING Qty: Item: Jumper 125cc Dirt Bike CARB Approved UPGRADE TODAY AND YOU WILL GET: WANT TO UPGRADE? JUMPER III! We have the ALL NEW Oil Filled Adjustable Front Forks Rear Adjustable Gas Mono Shock Foldable Shifter and Clutch Levers New Designed S Kick Start Upgraded Tires with Deeper Threads with Black Rims If you purchased these parts individually the cost would be over $800.00! NOW

  • Motion Pro 4-Stroke Leak Down Tester

    The is unavailable. Motion Pro 4-Stroke Leak Down Tester Shopping Cart 4-Stroke Designed to check percentage of cylinder leakage in 4-stroke engines Air source of 70 to 160 psi required to pressurize cylinder; gauge registers total leakage past rings, head gasket, intake and exhaust valves Listen to carburetors, exhaust system, etc. to find the problem Kit includes 10mm, 12mm and 14mm spark plug adapters, regulator and gauge 4-Stroke 177237 08-0126 In Stock Ships Within 24 Hours.

  • 9.9 HP 4-Stroke Outboard, 86lb., 20 inchL

    Mercury Marine s 4-stroke technology consumes 40% less fuel than 2-stroke models for extraordinary value and savings Engines surpass California Air Resources Board (CARB) 3-Star Rating, making them some of the cleanest running on the market with reduced emissions of more than 91% compared to traditional 2-stroke outboards! The inherent 4-stroke characteristics of ultra-quiet, smoke-free operation, plus smooth idling and running make these engines a natural choice whether you re trolling for fish or out just

  • 4-Stroke Leak-Down Tester

    4-Stroke Leak-Down Tester "Speeds troubleshooting and helps isolate bad components by checking the amount of cylinder leakage in 4-stroke engines "Air source of 70-160 psi required to pressurize cylinder; gauge registers total leakage past rings, head gasket, intake and exhaust valves "Listen to carburetors, exhaust system, etc. to find the problem "Kit includes 10mm, 12mm and 14mm spark plug adapters, regulator and gauge Description MP08-126 4-Stroke Leak-Down Tester $124.75

  • DR. D 4-STROKE SILENCERS

    DR. D 4-STROKE SILENCERS The unique attributes of the DR.D’s step system is that it allows for a more efficient intake stroke. It does this by resisting the reflective exhaust pulse during the intake/exhaust overlap. In plain language, the carefully tuned steps in the system allow for a lower net cylinder pressure, which gives a crisper throttle response from bottom to top. The key advantage of the Step System is improved low end response with substantial gain in the mid and top ranges. Dyno tests show a

  • High Lifter NOS 4-Stroke (Single) Carb Kit - Yamaha, Honda, Polaris

    High Lifter NOS 4-Stroke (Single) Carb Kit - Yamaha, Honda, Polaris [NPS-40005NPS] $697.50 T HIS IS THE BASIC NOS KIT! CUSTOM PARTS KIT MUST BE PURCHASED SEPARATELY! High Lifter Products is proud to offer NOS (TRUE NITROUS OXIDE SYSTEMS...NOT THE OFF-BRAND) systems for: Sport & Utility ATVs, Sandrails, Dirt Bikes, Jet Skis, Snow Mobiles, & Harley-Davidson Motorcycles Dollar for dollar, nitrous oxide offers the most performance a consumer can buy. One could spend thousands of dollars on carburetion, a

    $697.50
    • Sale
    atvtiresale
  • New! Polaris 4-Stroke 90cc Speed Kit

    New! Polaris 4-Stroke 90cc Speed Kit Our new speed kit includes a Hot Seat Performance slip-on exhaust system, a Hot Seat Performance clutch kit, a Hot Seat Performance high flow intake and proper jetting for sea level summer time riding. All of the bolt on parts in one kit at a discounted price! Kit offers better acceleration, better throttle response, and better back shifting over stock. A very good place to start for anyone looking to add performance to the new 90cc 4-Stroke machine. 2007-2008 Polaris

  • 4-Stroke Exhaust System

    Cobra's aluminum blends great looks, light weight, and a long life for excellent combination Brushed aluminum muffler with satin finish Black steel head pipe included Reverse-cone design

  • O.S. 34800 FL-70 RC 4-STROKE

    O.S. 34800 FL-70 RC 4-STROKE This is the O.S. Max FL-70 4-Stroke Model Airplane Engine. This FL-70 engine provides easier handling and maintenance, lighter weight and lower cost to 4-stroke newcomers and Sunday fliers. FEATURES: Approximately 20% lighter than the FS-70SII owing to a plastic cover plate, redesigned mechanism and smaller number of parts Easier handling 60W airbleed type carburetor Ringless piston/liner set for easier maintenance Redesigned muffler pressure system for stable power and response

  • DMC Force 4 Twin Exhaust System - Raptor 700

    DMC Force 4 Twin Exhaust System - Raptor 700 Customer Rating MSRP: $819.95 You Save: $82.00 14759 Points - Detailed Description In physics , a force is a pull or push that can cause an object with mass to accelerate . The DMC FORCE-4 megaphone system produces maximum force (horsepower/torque) to accelerate your modified Raptor 700 harder than other any exhaust system on the market. Like the 2-stroke pulse chamber, scavenging is maximized with the twin megaphones, delivering maximum engine efficiency. The

    $737.95
    • Sale
    MagicRacing.com
  • Recommended Oil: Mercury 4-Stroke Outboard Oil

    DUE TO MERCURY REGULATIONS, MOTORS ARE AVAILABLE FOR PICK UP ONLY. 6 HP FourStroke Taking the fun with you is a great advantage of inflatable boats and small fishing boats. Mercury offers a complete line of portable FourStroke outboards that are extremely light, with the widest range of models to choose from. The entire line makes operation and portability easy with smart, simple features. Plus, clean, quiet, fuel-efficient FourStroke performance makes them the obvious power of choice. Features and Benefits

  • FMF DIRTBIKE 4-STROKE YAMAHA YZ250F 2003-2005 / WR250F 2003-2006 FACTORY 4.1 EXHAUST SYSTEM

    :: FMF DIRTBIKE 4-STROKE YAMAHA YZ250F 2003-2005 / WR250F 2003-2006 FACTORY 4.1 EXHAUST SYSTEM FMF DIRTBIKE 4-STROKE YAMAHA YZ250F 2003-2005 / WR250F 2003-2006 FACTORY 4.1 EXHAUST SYSTEM Complete system with titanium PowerBomb header and midpipe; except where noted. Muffler available in natural titanium or blue anodized finish. - Made from premium quality American materials. - Meets AMA sound requirements on most models; inserts available for others. - Factory Forward Engineering centralizes mass, improves

  • CASTROL PowerRS R4 4T Synthetic 4-Stroke Motor Oil (#226959)

    CASTROL PowerRS R4 4T Synthetic 4-Stroke Motor Oil (#226959) up to $3.00 10W50 1 L - $8.99 5W40 1 L - $8.99 Castrol PowerRS R4 4T with Tri-Zone Technology is a fully synthetic oil for four-stroke engines on high-performance bikes. Supplying the ultimate in power and performance, PowerRS is the result of race-proven technology based on Castrol's extensive history and testing experience. Castrol's dedication to advanced engineering ensures optimum engine performance, providing increased acceleration under the

  • Motion Pro Four (4) Stroke Leak Down Tester

    Motion Pro Four (4) Stroke Leak Down Tester Toolsource #100095 Manufacturers Part Number #08-0126 $153.42 Designed to check the amount of cylinder leakage in a 4-stroke engine. With an air source of 70 to 160 psi. this system will pressurize the cylinder with 60 psi. Gauge will register the total percentage of leakage past the rings, head gasket, intake and exhaust valves. 10, 12, & 14mm spark plug thread hoses, regulator and gauge included. Speeds up troubleshooting & helps to isolate bad components. Made

    $153.42
  • 2009 Gas Powered 2.0 HP 4-Stroke Camo Trolling Motor Specs

    2009 Gas Powered 2.0 HP 4-Stroke Camo Trolling Motor 2009 Gas Powered 2.0 HP 4-Stroke Camo Trolling Motor Specs Engine: 49cc"s 2.0 HP Speed: 4mph Shaft: Adjustable Trolling Modes: 4 Tilt / Trim Options Engine Type: Unleaded Regular Gas Carburetion: Pulsating Steering: Tiller Built with Throttle Control and Lock Idle Speed Control Starting System: Recoil Coil Type: CDI Safety Switch: Engine Stop Switch Oil Type: SAE 10w30 or SAE 10w40 Engine Oil Qty: 6.0oz Gear Box Oil: Marine Grease Fuel Tank Capacity: 32oz

    $360.00
    • Sale
    DirectBoats.com