GY6 150cc Build Guide

GY6 150cc Ruckus Swap Guide

GY6 150cc Ruckus Swap Non-Fatty

GY6 150cc Ruckus Swap Non-Fat

We’ve all had and still might even have, the little Ruckus that could. Everything you throw at it, new exhaust, better CDI, new air filter, bigger carburetor but still not fast enough. So how do we get it faster? Great question, doing a GY6 150cc Ruckus swap might be just for you. We here at DROWsports try our best to make the learning and building process easy to understand. This guide is only to help you understand how to start building and piecing together correct parts. Putting this swap together takes some knowledge, wrenching skills, and tools. This is only a guide for purchasing the correct parts and understanding.

Use our build template from our DROWsports GY6 150cc Swap Kit for Non-Fatty Tire to follow along. Keep in mind these are our suggestions and recommendations, the items we listed are ones we have found to work most optimal for us.

 

GY6 150cc Long Case Engine

GY6 150cc Long Case Engine

GY6 150 Long Case Engine/Motor

The building block to this project starts off with this A-Case Engine. A simple GY6 150cc engine, but a complete engine that is capable of many future upgrades and modifications. Since the motor is a 150cc you will get much more power than the Stock GET engine, a much better improvement.

 

 

 

Mojo Honda Ruckus GY6 Non-Fatty Swap Mount

Mojo Ruckus GY6 Non-Fatty Swap

Swap Mount Kit

The motor mount kit is a key component in creating your ultimate Ruckus. The mount kit will space out the rear wheel to fit different sizes. As a result, it can fit either a skinny wheel, 7″ fatty wheel, or 8″ inch fatty wheel depending on the mount. While the mount kit spaces out the wheels properly, it also pushes the motor further back for the engine to actually clear the frame.

 

 

 

Dan Max GY6 Swap Wire Harness

Dan Max GY6 Swap Wire Harness

Swap Wire Harness

Electrical components are key to keeping your GY6 150cc Swap Ruckus running without issues. We recommend always buying quality built wire harness’s and not cut up OEM ones. In addition, we sell all the extra required components that perfectly fit the Dan Max Wire Harness. This includes the stator, starter relay/solenoid, ignition coil, and CDI.

 

 

DROWsports Plug-n-Play Harness

Our homemade Plug-N-Play Harness is the ultimate pre-made wire harness that works with the Dan Max Wire Harness. The harness will plug directly into the OEM Honda Ruckus left side control, headlight, ignition, tail light and also plug into the GY6 11 Pole Stator. This will definitely get rid of all the electrical headaches.

 

 

 

Stage6 R/T MKII PWK Racing Carburetor

Stage6 R/T MKII PWK Racing Carburetor

Carburetor

Our website offers several different carburetors but we’ve narrowed it down for you! We offer the original GY6 150cc Stock Carburetor with a removable bowl for changing jets or a fixed bowl. We do offer a much better quality OKO PWK but the best alternative is the Stage6 R/T MKII PWK Racing Carburetor. The Stage6 Features high-quality casting and a smoother finish.

 

 

Stage6 CNC Milled Throttle with Switch Kit

Stage6 CNC Milled Throttle & Switch Kit

Throttle & Control

There are various types of throttles and controls exist but will have to be wired up to work. You can stick with the OEM controls but recommend you buy a quality throttle control like the Stage6 Throttle with Switch Kit. The best part about Stage6 is each component is replaceable and can be bought separately like the throttle housing, throttle cable, throttle tube, and switch.

 

 

 

OKO PWK Carburetor Slow Jet Kit 10 pcs

OKO PWK Carb Slow Jet Kit 10 Pcs

Fuel & Intake

The fuel & air intake make up several different components, each one crucial to help your GY6 150cc Ruckus Swap run smooth.

A set of Main Jets, Slow Jets, and Needles are required to tune the scooter for the correct AFR. Tuning is a difficult process and will not be for everyone. While tuning is hard, with some patience and maybe a little cheat sheet, it can be done fairly easily. But rather than make life difficult take it to a shop to get it tuned!

DROWsports Mikuni Vacuum Fuel Pump & Coil Bracket for Honda Ruckus

DROWsports Mikuni & Coil Bracket

 

 

Mikuni Fuel Pump is the best replacement and a much more affordable alternative to the OEM Honda. A vacuum is created to flow the fuel from the gas tank to the carburetor. Since the Mikuni uses a vacuum, there will be no damage from running out of gas.

Our DROWsports Ruckus Mikuni Pump & Ignition Coil Bracket is a must have for anyone who is looking for a clean and organized Ruckus.

The machined GY6 Performance Aluminum Intake Manifold will be needed when replacing the carburetor. The aftermarket Mikuni/Keihin carburetors will not fit the OEM GY6 manifold.

UNI Air Filter Two Stage POD with 15 Degree Angle

UNI Air Filter Two Stage POD with 15 Degree Angle

The carburetor on the GY6 150cc almost always sits at a strange angle that makes it difficult to work on. The GY6 150cc Angled Clocking Flange will set the carburetor at a proper angle and makes it easier to re-jet and add different size air filters.

While there are numerous air filters available with different sizes and diameter. We’ve tried our best to pick the ultimate filter fitment. As a result of our R&D, we recommend using the UNI Air Filter Two Stage POD with a 15 Degree Angle of 2″ diameter.

 

 

NCY Honda Ruckus Slammed Front Forks

NCY Honda Ruckus Slammed Front Forks

Suspension & Transmission

The suspension is always a key component when setting up a vehicle for cruising or racing. Even in a small motor scooter, the suspension will help get your scooter set up leveled and riding right.

The front end and rear end suspension work together to keep your Ruckus sitting level. Due to the new motor, the rear end sits further back creating a slightly lowered and much more stretched scooter. Therefore we recommend using the Ruckus Stance Low Down Rear Shock. The front end forks go hand in hand with the front disc conversion kit. While you most likely will need a front disc conversion like the Ruckus Front End Disc Brake Kit. The NCY Honda Ruckus Slammed Front Forks is one of the best options to go with if you have your own disc conversion setup.

GY6 150 Short Axle

GY6 150 Short Axle

The transmission makes your vehicle run, so it should be no surprise that you would have to set it up. These items are crucial but not difficult to install.

Due to the GY6 150cc motor being just a motor, you will need a few parts. A GY6 150cc Short Axle, Rear Wheel Axle Nut M16x1.5, and a Final Drive Cover Gasket. The gasket will seal the transmission properly. The GY6 150cc engine has a dual rear shock setup and will be converted to a single rear shock setup with the GY6 150 Short axle.

 

 

DROWsports Honda Ruckus Front End Disc Brake Kit

DROWsports Honda Ruckus Front End Disc Brake Kit

Front Brake Conversion

Braking is very important part of building a fast GY6 150cc Ruckus. As a result of faster speeds, you will need stronger braking because drum brakes will not cut it. A Ruckus Front End Disc Brake Kit is your ticket to better braking power. While there are many options we recommend leaving everything checked off. As a result, you will have much more stopping power. The kit also includes the front forks, brake lines, rotor, and master cylinder, but not a wheel.

 

 

 

FLP GY6 Rear Disc Brake Conversion V3

FLP GY6 Rear Disc Brake Conversion V3

Rear Brake

Another thought that does not cross many peoples mind is cable length. Braking is extremely important even if it is just a drum brake. Therefore we’ve added an Extended Rear Brake Cable into the kit and different lengths depending on your stretch length. While the rear drum brake will work(barely enough), we recommend upgrading your rear brake setup with the FLP GY6 Rear Disc Conversion.

 

 

DROWsports CS-1 GY6 Stainless Steel Exhaust System - GY6 Skinny Tire

DROWsports CS-1 GY6 Stainless Steel Exhaust System – GY6 Skinny Tire

Exhaust

Sourcing exhausts that will fit a Fatty Swap are fairly difficult. Since we have had trouble in the past we put together our own exhaust just for Fatty Swaps. DROWsports GY6 Skinny, 7″ Fatty, and 8″ Fatty are stainless steel exhausts for Skinny Tire, 7″ Fatty Tire, and 8″ Fatty tire. The exhausts fit each type of wheel size and mount kit. This is due to the wheel spacing hitting the brackets.

 

 

 

 

GY6 150cc 12" 6-Spoke Wheel Set

GY6 150cc 12″ 6-Spoke Wheel Set

Wheels & Tires

Wheels are a very touchy subject and each person has their own opinion on what is the best wheel and tire combo. As a result, we recommend Machined Machine wheels because they offer a huge selection. Due to the wheel size 3+4 offset for a 7″ Fatty or 3+5 for 8″ Fatty, the rim itself will require a Rear Wheel Hub. The offset determines the spacing required for the 7″ or 8″ Wheel to align in the center of the Ruckus. The typical rim size used would either be a 10″ or 12″, but 12″ seems to be more common. In conclusion 3+4  12″ wheel for 7″ Fatty and 3+5  12″ wheel for 8″ Fatty Confusing, hence our package trying to help make it a little more simple.

Shinko SR723 White Wall Tire

Shinko SR723 White Wall Tire

 

Since there are so many tires available, we will list just a few that many people love to throw on their bikes. The list only includes a few popular tires with great tread patterns and fantastic performance depending on your situation.

Michelin Boppers, Shink White Walls, Kenda Low Pro, Dunlop ScootSmart

Wheel sizing chart to determine proper fitment on Honda Ruckus and GY6 150cc Ruckus Swap. While there are more patterns available, we use the same each time for the best outcome. Different options include hub sizes, offsets and bolt patterns.

 

Honda Ruckus GY6 Non-Fatty Rear Wheel
GET 50cc with/without stretch 12×5, 3+2 offset 4×136 bolt pattern
GY6 150cc Non-Fatty (Custom Hub) 12×5, 3+2 offset, 4×110 bolt pattern
Honda Ruckus GY6 7″ Fatty Rear Wheel
GY6 150cc 7″ Fatty Mount 12×7, 3+4 offset, 4×110 bolt pattern
Zuma 125 7″ Fatty Mount 12×7, 3+4 offset, 4×110 bolt pattern
Honda Ruckus GY6 8″ Fatty Rear Wheel
GET 50cc 8″ Fatty Mount 12×8, 3+5 offset, 4×136 bolt pattern
GY6 150cc 8″ Fatty Mount 12×8, 3+5 offset, 4×110 bolt pattern

 

Please be sure to comment, or contact us to let us know if you have any questions or comments!

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