150cc, 175cc GY6 Scoot Coupe Engine (Long Case) with Performance Transmission

In stock
Regular price $699.00

Guaranteed & Certified 150cc Engine

We are the only supplier who disassembles your engine and verifies that it is a 150cc engine.  We have caught China suppliers installing 125cc cylinder and pistons and selling as 150cc.  Buy from any where else and you dont know what you will be receiving.  All the other guys do is slap a label on a box.  Don't be a chump and get suckered.  Get a BDX Performance certified Engine. 


Option 1:  Comes with Upgraded Transmission for Better Power Transfer to the Wheels:

This is not a stock scooter engine.  We disassemble your engine and install the following components in your engine:

You will not find this engine anywhere else.

Option 2: 175cc GY6 62mm Big Bore Engine. 

We disassemble your engine, bore the case and install a 175cc 62mm big big bore piston and cylinder.  We then reassemble and test your engine.  This engine includes the performance transmission from option 1.


Frequently asked questions are answered here.

[*] 60 Day Parts Warranty
Please read the Warranty details.

No returns on engines.

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.

What's included:
Everything under the engine's covers and plastics is included and installed, this is a complete unit. Starter, stator, and intake manifold arrive bolted to engine. CVT transmission is fully assembled and cover installed. All transmission components are assembled and cover installed. All drain bolts and internal oil screen are installed. Valve cover installed.

Sold separately:
Carburetor, exhaust, ignition components and charging parts are all sold separately.

Remember to adjust valves after break-in period.