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Takegawa 178cc scut kit and +R Takegawa/Trail bikes Top end combo
Our Price: $925.00
Our Price: $829.99
Pit Bike Engine Takegawa 178cc scut kit Takegawa/Trail bikes Top end combo
Go from 150cc to 187cc, Easy instalation For a limited time we are offering the TB 165 big bore kit with Takegawa  +R Super head  as a  complete kit for your GPX 150 engines.
Takegawa +R Super Head 155 Z High Output Crate Engine Kit
Our Price: $739.99
Sale Price: $729.99
You save $10.00!
Our Price: $624.95
Pit Bike Engine Takegawa +R Super Head Pitster Pros 155 Z High Output Crate Engine Kit
Easiest power available. Let the Takegawa +R super head transform your  KLX engine or GPX 150 into a fire breathing monster.

Kit includes everyone in the picture shown above.
The new 155 Z High Output will drop into just about any frame using CRF 50/70 motor mounts. It uses a new close ratio transmission to make grabbing gears easy with no lag. The transmission is 4-up manual (N-1-2-3-4) and can start in any gear with the clutch pulled in.
155 Z High Output Engine Only Lifan 150cc Engine
Our Price: $579.95
Our Price: $579.95
155 Z High Output Engine Only Lifan 150cc Engine
Only If you have a motor that needs replacing then this is great for you. Use your old components like shifter, kickstarter and carb with this ripping 155 Z High Output engine. Just plug the wires in, bolt it up and go. 150cc at a great price.
GPX moto 160cc Crate Engine GPX moto 150cc Crate Engine
Our Price: $520.00
Sale Price: $510.00
You save $10.00!
Our Price: $520.00
Sale Price: $499.00
You save $21.00!
GPX moto 160cc Crate Engine GPX moto 150cc Crate Engine
This engine is as powerful as they get! Bolt it into you CRF 50 or 70!
GPX Moto 140x Crate Engine HP 125cc Crate Engine
Our Price: $434.95
Our Price: $394.95
Pitster Pro GPX Moto 140x Crate Engine Pitster Pro HP 125cc Crate Engine
Complete bolt on motor kit, includes motor, carb, cdi, coil. This is a great bolt in engine for many pit bikes and mini bike applications as well as many Mini quads. Check the photo gallery to see our engines in many different applications. Complete bolt on motor kit, includes motor, carb, cdi, coil. This is a great bolt in engine for many pit bikes and mini bike applications as well as many Mini quads. Check the photo gallery to see our engines in many different applications.
GPX moto 125cc Crate Engine GPX Moto 110cc Semi Auto e-start Engine
Our Price: $394.92
Our Price: $374.95
GPX moto 125cc Crate Engine YX 110cc Engine
Complete bolt on motor kit, includes motor, carb, cdi, coil. The GPX 110cc was designed to with rider in mind. The electric start makes the 4 speed semi auto engine an excellent choice for younger riders to start there bikes but still packs alot of torque for a full size adult.


Crate engine includes:
Wiring harness
22mm carburetor and intake
Shifter and kick starter
GPX Moto 110cc Semi Auto e-start GPX Moto 90cc Kick Start Only Crate Engine
Our Price: $374.95
Our Price: $349.95
Sale Price: $345.95
You save $4.00!
Pitster Pro GPX Moto 110cc Semi Auto e-start Pitster Pro GPX 90cc Kick Start Only Crate Engine
The GPX 110cc was designed with the rider in mind. The electric start makes the 4 speed semi auto engine an excellent choice for younger riders to start there bikes but still packs alot of torque for a full size adult. The GPX 90cc was designed to with rider in mind.  Its easy to ride but packs a powerful punch.
TB Race Head V2 TB 165 Big Bore Kit for GPX 150x
Our Price: $325.00
Sale Price: $325.00
Our Price: $194.95
TB Race Head V2 Pit bike engine 165 big bore kit
This new high output race head from Honda Trail Bikes is roller rocker arms to help flow and increase power all over. 165 Big Bore Kit Built special for GPX 150 (KLX type head).  A 63mm KLX cylinder and pistons have been machined so no case boring or other modifications necessary bolt on and go! Add an FMF 4.1 with this kit and pick a few extra horsepower.

Kit includes all top end gaskets necessary as well as cylinder, piston and rings.
GPX 150/160 Gear stacks 53mm GPX/YX 150 crank
Our Price: $124.99
Sale Price: $119.99
You save $5.00!
Our Price: $99.99
Sale Price: $89.00
You save $10.99!
GPX 150/160 Gear stacks 53mm GPX/YX 150 crank
Replacement crank for your GPX/YX 150cc motors.
Carbon Fiber Ignition Cover Shift Drum
Our Price: $99.95
Sale Price: $85.00
You save $14.95!
Our Price: $79.95
Carbon Fiber Ignition Cover Shift Drum
Shave some weight off  any honda 50 style motor with a Carbon Fiber Ignition Cover. Available with Pitster Pro logo, GPX Logo or Plain
Start Assembly 150 and 140 Left engine case 125 and 140
Our Price: $75.00
Sale Price: $73.00
You save $2.00!
Our Price: $75.00
Sale Price: $69.00
You save $6.00!
Start Assembly 150 and 140 Left engine case 125 and 140
This left side case will fit GPX 125/140, Jailing 125, and YX 125/140
GPX 140 Engine Case Trail bikes Race Cam
Our Price: $75.00
Sale Price: $69.00
You save $6.00!
Our Price: $64.99
GPX 140 Engine Case Trail bikes Race Cam
Need a new engine case? Pick one up today so you can get your machine rolling. Unleash the power in your GPX 140x motor or Lifan Big Valve Head with a Trail bikes race cam. The cam provides easy bolt on power with its aggressive lift and duration without sacrificing low end torque.
60mm Piston and Rings Forger Kick Start
Our Price: $59.00
Sale Price: $57.00
You save $2.00!
Our Price: $49.50
Sale Price: $48.50
You save $1.00!
60mm Piston and Rings Forger Kick Start
60mm replacement piston and rings for your GPX 150 or 160. Our new forged kick starter adds strength for those high compression engines.
Ignition Cover HD Alloy Skid Plate
Our Price: $49.99
Sale Price: $45.99
You save $4.00!
Our Price: $49.95
Sale Price: $45.99
You save $3.96!
Ignition Cover HD Alloy Skid Plate
Keep your bike looking good and running strong by keeping dirt and debris off your ignition. Alloy HD skid plates for your 125, 140, 150 or 160 GPX Engines. Skid fits most CRF style engines.
Gasket Kit for 124cc engine GPX Clutch Plate Pack
List Price: $34.99
Our Price: $39.99
Our Price: $44.95
Sale Price: $39.00
You save $5.95!
Gasket Kit for 124cc / 125cc engine GPX Clutch Plate Pack
Gasket kit for GPX, Jailing, Thumpstar and most Lifan engines. Complete clutch plate pack comes with 5 clutch plates.
Clutch Disk Pack Billet Oil Cooler
Our Price: $44.95
Sale Price: $39.00
You save $5.95!
Our Price: $35.00
Sale Price: $32.50
You save $2.50!
Pit Bike Clutch Disk Pack Billet Oil Cooler
Complete clutch disk pack comes with 4 clutch disks. Will fit GPX motors (can be used with 150 and 160 but new lines are required), lifan, jailing and most other import motors.
   
 
Our goal at factorypowerhouse.com is to provide you with a affordable pit bike engine.  We want to keep you on the track and on the podium.  If your motor has crashed and you need a new one check out our inventory of complete pit bike engines, or if you like to work on your own pit bike the check out our parts and accessories. If you are looking for a engine hop up kit to add a little power to your pit bike then check out our kits and hop up section of our web site.   Maybe you just want a new more powerful pit bike engine or you just need some components.  What ever you need we can get it for you at a fair price.  call for best pricing.