YERF DOG CUV ROVER SCOUT GY6 150cc ENGINE--GUARANTEED FIT

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GUARANTEED FIT FOR YOUR YERF DOG CUV ROVER SCOUT WITH MINOR MODIFICATIONS: New GY6 150cc Internal Reverse replacement Engine.  This is a replacement engine for your vehicle.  The exact engine no longer exist since Yerf Dog is out of business but this engine is very close with minor minor modifications. (Sprocket and nut, and/or CUV rear engine mounting plate)

Most of the CUV's were manufactured with drive shafts that look like the below and this is what the one that we ship you will look like.  If yours is different that's not a problem. You'll simply need to the sprocket and nut for this engine that matches most of the other CUVs that were made by Yerf Dog.

Most people who try to purchase a GY6 engine for their CUV from other suppliers get the wrong engine.  We solve that problem.  We have install engines in CUV's so we know exactly which engine fits.

 

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 THREE ENGINE OPTIONS 

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.  Stock air filters do not effectively filter air and are the number one engine killer for GY6 engines.  Don't get an engine without one.  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--only $99 when purchased with an engine.  See details


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.

BDX PERFORMANCE A12 RACING CAMSHAFT - TORQUE

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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 

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.

IMPORTANT NOTES

12 Month Warranty with Purchase of Uni-Filter
Please read the Warranty details in warranty section

Engine is shipped DRY with no oil.
Be sure to add 750ml of 10w40 to the crankcase and fill gearcase to the fill hole with 80w90 to the before starting.  There should already be gear oil in the gearcase but it is always safe to check.

Important

  • Adjust valves after break-in period.

  • Change oil after break-in period.

  • Engine is shipped DRY with no oil. Be sure to add 750ml of 10w40 to the crankcase and 120ml of 80w90 to the gearcase before starting.

  • Do not use synthetic oil in GY6 engines until after the break-in period.

  • Install a uni-filter with new engine for longer life and better performance.  If you don't you are guaranteed to be putting dirt into your clean NEW engine.  Stock Chinese air filters do not effective filter air and are the number one engine killer for GY6 engines.

Guaranteed Fit - No returns on engines.
Before ordering please call and speak to our technician if you have any questions regarding fitment.  Please do not return your engine--call us if you ordered the wrong engine without consulting our technician. In the very rare event that there is a warranty issue please see warranty section.

About Oil Coolers:
Our engines Do NOT come with provisions for oil coolers. We've always advised strongly against the use of oil coolers on the GY6. We've seen too many instances where a cooler line bolt vibrated loose, dumping all of the engine oil and causing a massive failure.  The perceived benefit isn't worth the risk. Oil coolers on the GY6 solve a problem that doesn't exist. Follow regular maintenance intervals, invest in a UNI Air filter (and keep it oiled), and your new engine will last many years even decades--we've seen it many times. Coolers provide a false sense of longevity benefits, and the only proven result is the added risk of unexpected massive failure.

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