This is a replacement GY6 150cc engine for your Tomberlin Crossfire 150R buggy. Your exact Crossfire engine is no longer manufactured or available ANYWHERE. With this replacement engine you'll need our Crossfire 150R engine adapter kit. See installation instructions below.

Your vehicle is over a decade old and nobody else in the world cares about keeping your vehicle running except BDX Performance. You can even call and speak with a technician. We know everything there is to know about your Crossfire.. Give us a review acknowledging that we are in the business of supporting buggies long after the sale, unlike ALL other sellers. Click here to give us a review. You can always do another review after you receive the product regarding quality, customer service, etc.

The GY6 150cc engine and adapter kit that you receive may vary from the picture. We use three different GY6 150cc engines and compatibility kits for the Crossfire 150R replacement engine. And if you get the 175cc or 184cc we modify these engines. Regardless of which engine you get they are all GY6 engines with internal reverse and with the compatibility kit they all are direct bolt up fits for the Crossfire 150R. The 232cc engine is a fourth GY6 engine that we use. Click here to see. See installation instructions and additional information - click here.

BDX 150CC GY6 ENGINES ARE GUARANTEED, VERIFIED AND CERTIFIED TO BE 150CC ENGINES:

New GY6 150cc Internal Reverse Buggy Go-Kart Engine. This is a guaranteed direct fit for your vehicle and everything bolts up identical to your original stock engine including the shifting controls.

ADD A UNI-FILTER TO YOUR ORDER AND GET A ONE YEAR WARRANTY.

YOU HAVE FOUR ENGINE OPTIONS

Engine 1: 150cc Standard stock GY6 Engine with Internal Reverse with stock transmission--GUARANTEED DIRECT FIT.
Engine 2: 175cc GY6 Engine with Internal Reverse and stock transmission--GUARANTEED DIRECT FIT. This engine comes with the 62mm big bore cylinder and piston kit pictured below installed in a bored out case.
Engine 3: 184cc GY6 Engine with Internal Reverse and stock transmission--GUARANTEED BOLT-ON FIT with kit. This engine comes with the 62mm big bore cylinder and piston kit pictured below installed in a bored out case and a 3.0mm high performance stroker crank. Call regarding this option. Recommend performance transmission.
Engine 4: 232cc GY6 Engine with internal reverse and stock transmission -- GUARANTEED BOLT-ON FIT with kit. This engine comes with a 67mm big bore cylinder and piston and an 8.0mm high performance stroker crank and a 18 pole stator. Click here to see.

YOU HAVE POWER PERFORMANCE OPTIONS

Option 1: American made high performance Uni-Filter air filter ensures clean air to your engine and long life. See why a NEW Uni-Filter is MANDATORY for ALL new engines and purchase at this link. Your one year new engine warranty applies only if a new uni-filter is purchased with this engine. If you don't get a Uni-Filter you are guaranteed to be putting dirt into your clean NEW engine. See Details

UNI FILTER ASSEMBLE, OIL AND KIT

Option 2: BDX High Performance Racing Transmission and Gates Powerlink Belt: Click here to see detail or add to your order.. If you add this option the parts will installed into your new engine. A Performance Transmission is the difference between a sluggish, slow and inefficient go-kart and a peppy, speedy and powerful go-kart that utilizes the full power of the engine. See details. Regular price $249 - Now FREE when you send us your old core engine. See shipping prices for you to send us your old engine.

Option 3: The BDX A12 Cam Shaft changes the power profile of your GY6 engine to provide the optimal balance for both low end grunt and top end speed. If you purchase the A12 Cam Shaft it will be installed and tested in your new engine.

Option 4: 11 Pole Stator, rectifier and harness adapter. With this option you get more power to run your lights and other accessories. If you get this option it will be installed and tested in your engine--Click Here. The engine comes stock with an 8 pole stator.
Option 5: Performance Exhaust: You can get the BDX performance exhaust for any of the engines above for an estimated 10% to 15% increase in raw power--see video!. Your stock exhaust is restricting your power because the exhaust gases are being squeezed out through a tiny hole. The BDX Performance Exhaust fixes that. If you get a performance engine without the performance exhaust you will be restricting some of that NEW power. To see details or add the exhaust to your order click here. Or see our video to see what this increased horsepower looks like in a race click here.

Option 6: PowerPak: The PowerPak includes all of the other options above, with the exception of the 11 pole stator. It also includes additional roller weights and a 2000 RPM spring, performance CDI and coil. Click here to see.

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THE BDX PERFORMANCE TEAM MEMBERS ARE THE GY6 ENGINE EXPERTS IN THE USA. BUILDING AND SHIPPING HUNDREDS OF GY6 PERFORMANCE RACING ENGINES FOR OVER 10 YEARS. WE HAVE A FULL MACHINE SHOP IN VIRGINIA WITH AN ENGINE TECHNICIAN AND ENGINEER. SEE VIDEO

TAKE A LOOK AT THIS COMPARISON

Stock GY6 Engine

BDX Performance Racing Engine

We build and test our 175cc racing engine in our facility in Virginia.

62mm 175cc Big Bore Kit

Read article on how displacement relates to more power.
How big bore kits & strokers work

CLICK HERE TO SEE ADDITIONAL IMPORTANT INFORMATION REGARDING THIS ENGINE.

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33 Tooth Double Row Axle Sprocket For Crossfire 150R