Dongfang Victory Side-by-Side Engine GY6 170CC
This engine is a GUARANTEED FIT for the Dongfang Victory side-by-side with a one year warranty--see details.
New GY6 170cc Internal Reverse Engine. Call our technicians if you have any questions 434-447-4870. For the Victory engine you will need this shifter unit.
New GY6 170cc 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 THREE ENGINE OPTIONS
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Engine 1: - 170cc GY6 Performance Engine with Internal Reverse and stock transmission--GUARANTEED DIRECT FIT. This big bore engine comes with the 61mm big bore cylinder and piston kit installed. We strongly recommend the BDX performance transmission for performance engines--Click here to see why.
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Engine 2: 175cc GY6 Racing 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. We strongly recommend the BDX performance transmission for performance engines--Click here to see why.
- Engine 3: 184cc GY6 Racing 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 and a 3.0mm high performance stroker crank. Call regarding this option. This is not the exact engine for this vehicle and a bolt on compatibility kit is required.
- Engine 4: 232cc GY6 engine. We have a 232cc engine that will fit your UTV. Call us if interested.
YOU HAVE POWER PERFORMANCE OPTIONS

Option 2: 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. A few small number of vehicles require an 11 pole stator. Call before ordering if you.
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
Read article on how displacement relates to more power.
How big bore kits & strokers work
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.
We disassemble your 150cc engine, bore the case to make it larger so that we can install a 62mm big bore piston and cylinder. Then we re-assemble and test your engine.
Boring the Case for the 62mm Cylinder and Piston
62mm 175cc Big Bore Kit
Be sure to read the article on how displacement affects your power.
Click here to see additional important information regarding this engine.
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