GOKART SPEED


Use your Stock Carburetor or upgrade to Mikuni
Displaying products 1 - 16 of 156 results
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1-1/4 inch Fatty Exhaust Header, for Mini Bike Go Kart Honda GX160/200, Titan, Predator
Item No: GL357-7001SF
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Fatty Mini Bike Exhaust Header fits Honda GX120/160/200, Titan + Predator. This trick exhaust curves to run the pipe thru the frame and out of the way. Awesome sound and performance. A MUST HAVE exhaust for just about any bike or kart MADE-IN-USA
View 1-1/4 inch Fatty Exhaust Header, for Mini Bike Go Kart Honda GX160/200, Titan, Predator
Titan TX200S 6.5hp OHV Powersport Engine, Go Kart, Mini Bike
Item No:
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Titan TX200S™ 6.5hp OHV Powersport Engine has the Sport Tank. 196cc Powersport Engine fits our kits, can be used as a replacement engine for most Go Karts and Mini Bikes. 6.5hp, Recoil Start, Throttle Cable Hookup for Go Kart or Mini Bike. CARB APPROVED
View Titan TX200S 6.5hp OHV Powersport Engine, Go Kart, Mini Bike
Titan TX200E 6.5hp eStart OHV Powersport Engine, Go Kart Mini Bike
Item No:
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Electric Start, 6.5hp 196cc, 3/4in. x 2 7/16in. Shaft Go Kart, Mini Bike. Battery not included. Titan TX200 engines are 196cc, Compare to Honda GX200
View Titan TX200E 6.5hp eStart OHV Powersport Engine, Go Kart Mini Bike
Mikuni Carb Kit, for Honda GX120/160/200, Titan and Predator
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Mini Bike, Go Kart Upgrade GX200 Engine to Mikuni Carburetor, Easy Bolt-On Kit Includes: Intake Manifold, Genuine 22mm Mikuni Carb, High Flow Air Filter | fits Honda GX200, Titan, and Predator 212
View Mikuni Carb Kit, for Honda GX120/160/200, Titan and Predator
Briggs World Formula Racing Engine
Item No: 124335-8105-01
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Header and Premium Clutch included, World Formula is designed in. accordance with the CIK World Formula class rules. Estimated 15 HP, Jr. World Formula class ages 12 - 15, Sr. World Formula class ages 15 & up
View Briggs World Formula Racing Engine
Briggs Animal Racing Engine
Item No: G124332-8003-01
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Briggs Animal Racing Engine. The latest approach in. engineering, manufacturing, and testing to design from the ground-up, a dedicated RACING engine. in. addition, every engine is hand-built by master engine technicians. sealed at the factory, race ready
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Throttle Linkage Kit, for Go Kart Mini Bike
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Throttle Linkage Hardware kit used to hookup your throttle cable to your engine. Includes Springs, Wire Stops and Cable Crimp conectors. Honda, Titan and Predator Engines. Great for Mikuni Carb also
View Throttle Linkage Kit, for Go Kart Mini Bike
Catch Can, Small, Billet Aluminum, Silver
Item No: NR-WACC
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View Catch Can, Small, Billet Aluminum, Silver
Breather Kit, Chrome with Bracket for GX200 & 6.5 Chinese OHV's
Item No: NR-14-20900
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View Breather Kit, Chrome with Bracket for GX200 & 6.5 Chinese OHV's
Catch Can, Large, Aluminum
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Catch Can, Large, Aluminum
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Stage 1 Kit, for Stock Carb, for Honda GX120/160/200, Titan & Predator
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for Mini Bike or Go Kart, for STOCK CARBURETOR on your Honda GX120/160/200, Titan or Predator engine. Kit includes: Thru-the-Frame Fatty Exhaust Header, K&N Angled High Flow Air Filter, K&N Pre-Filter, Billet aluminum Intake Adapter, Decals MADE-IN-USA
View Stage 1 Kit, for Stock Carb, for Honda GX120/160/200, Titan & Predator
GX200 Hop-Up Kit, bolt-on Engine Upgrade for Honda GX160/200
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Bolt-on Engine Upgrade Kit, bump-up to 11hp for your Honda GX120/160/200 (stock carb) engine including Titan and Predator Engines. Choose your Exhaust, Air Filter, K&N or Standard Angled High Flow Air Filter, K&N Pre-Filter, Intake Adapter + more
View GX200 Hop-Up Kit, bolt-on Engine Upgrade for Honda GX160/200
Mikuni Stage 1 Kit, with Fatty Exhaust, for Mini Bike, Go Kart, GX200
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fits most Mini Bikes & Karts, 22mm Mikuni Carburetor Kit, fits Honda GX120/160/200, Titan and Predator. Kit includes: Mikuni Curved Intake Manifold, 22mm Mikuni Carb, High Flow Air Filter, Fatty Thru-the-Frame Exhaust Header Pipe. MADE-IN-USA
View Mikuni Stage 1 Kit, with Fatty Exhaust, for Mini Bike, Go Kart, GX200
Spark Plug, AR3910X Honda GX120/160/200
Item No: GAR3910X
List Price: $12.00
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The AR3910X spark plug is longer. This increases compression and can add as much as 3/4hp. A must have for your Honda GX120/160/200, Titan and Predator. Works great on our Titan Engines
View Spark Plug, AR3910X Honda GX120/160/200
Springs, Valve, HD 50lb, GX270, GX390s & 420 Predators
Item No: NR-390-BLUESTRIPE-PAIR
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Spring, Valve, Heavy Duty, set (Fits 240, 270, 340, & 390s). Approx 50 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift)
View Springs, Valve, HD 50lb, GX270, GX390s & 420 Predators
Springs, Valve, HD 65lb, GX270, GX390s & 420 Predators
Item No: NR-390-DUAL-PAIR
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Spring, Valve, Heavy Duty, set (Fits 240, 270, 340, & 390s). Approx 65 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift)
View Springs, Valve, HD 65lb, GX270, GX390s & 420 Predators
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HOW TO UPGRADE YOUR ENGINE

REMOVE THE GOVERNOR
The first modification should be to disable or remove  the governor. The governor restricts the engine to 3600 RPM. With the governor disabled or removed, the RPM will increase to about 5200 resulting in a substantial increase in performance. There is a very easy way to disable the governor. see How to Remove the Governor
HIGH FLOW AIR FILTER
see ALL HIGH FLOW AIR FILTERS. The stock air filter is very restrictive. Upgrading to a High Flow Air Filter will let the engine breathe better and increase power. Installing a HIGH FLOW AIR FILTER, Stock Carb will give you a big boost in performance. Also available is our GENUINE K&N AIR FILTER, Stock Carb with Pre-Filter
Upgrade to the Genuine Mikuni Carb for a MAJOR BOOST IN POWER and use this MIKUNI HIGH FLOW AIR FILTER
HIGH FLOW EXHAUST
The stock exhaust is also very restrictive. A favorite among Kart Racers, the  RLV Header Pipe and Silencer will give you a substantial boost in power and that great sound for a low cost. You will need the Locking Collar to fasten the silencer. Also available for use on both Karts and Minibikes are the Fatty Exhaust and Stinger Exhausts Headers for Maximum Power and Awesome Sound
STAGE 1 KIT
Stock Carb: The Stage 1 Kit, Stock Carb is an inexpensive, easy bolt-on Upgrade to the Intake and Exhaust. Also available is the Genuine K&N Stage 1 Kit
Mikuni Carb: For Top Power see the Mikuni Stage 1 Kit with Fatty or Mikuni Stage 1 Kit with Stinger. This carb upgrade really wakes up the responsiveness of the engine and, as an added bonus, allows you to remove the stock throttle linkage mechanism and replace it with one simple throttle Cable connection.  Mikuni STAGE I INSTALL GUIDE
CARB JETS: Upgrading the Intake and Exhaust usually requires re-jetting the Carburetor. If you have to play with your choke to get your engine to run properly, you need to adjust the Carb Main Jet. For the Stock Carb see
Honda Main Jets. The .035 Main Jet seems to work best but you may want to try .034, .035 and .036  to see which works best for your engine. For our Mikuni Carbs see
Mikuni Main Jets  120-140 for Curved Intake, 170-190 for the Inverted Intake. Open the Float Bowl, unscrew the jet and put in a larger size. see Mikuni Tuning Guide
TOP PLATE
You will be removing the gas tank as part of your build. In addition to its billet aluminum good looks, the Top Plate supports installation of the Fuel Pump and optional Throttle Control. (if using a Mikuni Carb, you do not need to use the throttle control)
BOX STOCK KIT                 
Box Stock is the Beginner Class for Kart Racing. The Box Stock Kit has everything you need to upgrade your stock engine to the Box Stock Class except the exhaust. Kit includes the Top Plate, Chain Guard / Heat Shield, Angled Air Filter, Billet Air Filter Adapter, Fuel Pump, Fuel Line, Throttle Linkage and Hardware and more. Add the RLV Exhaust to complete this kit
UPGRADE THE VALVE SPRINGS
With the governor removed, the stock valve springs will be too weak to operate properly at high RPM. Installing stiffer 18lb Springs will prevent the valves from floating at high RPM
SPARK PLUG
Installing a 3910X Spark Plug costs about $7 and can add an amazing 3/4hp to your engine. This plug is longer than the stock plug and creates more compression. Also, this plug does not need to be gapped or indexed to operate at optimum performance
HEAD GASKET
We have seen thick stock head gaskets on an increasing number of engines. Replacing the stock gasket with a thin .010 gasket will decrease the size of the combustion chamber thereby increasing compression
FLYWHEEL
Before going any further with your engine upgrade, we recommend replacing your heavy 7 pound stock flywheel with a much lighter and better balanced
Billet Aluminum Flywheel. The stock flywheel is prone to failure at high rpm, which could result in serious injury. The lighter weight will boost your horsepower and acceleration
ROD
As the RPMs continue to increase, replacing the stock rod with a much stronger and lighter billet aluminum rod is needed to get from 5600rpm to 7200.
The ARC Rod is the best choice. It can be ordered stock length or It can also be ordered .010 or .020 longer to increase compression without machining the block, a big boost
CAM
For the Box Stock Class, use the CL1-Improved Cam to follow the racing rules. If you don't care about rules, you can use the Superbox CM .275 Cam, which is as hot as you can go without Rocker-Arm upgrade
SUPERBOX UPGRADE KIT
The Superbox Class is the advanced Clone Kart Racing Class. If you have a Box Stock Engine (Box Stock Kit installed) this Superbox Upgrade Kit will provide you with all the parts needed to upgrade to the more powerful Superbox class
BUILDER PREPARED CLASS
The Builder Prepared Class is the top Clone Kart Racing Class. The complete Builder Prepared Parts Kit includes: Intake, Exhaust, Chain/Heat Guard, Top Plate, Fuel Pump, Valve Springs, Cam, Main Jet, Billet Flywheel, Billet Rod and more
SUPERBOX PARTS KIT
Take your stock Honda, Titan, Predator and other Engines, and use this Superbox Parts Kit to Build your own Superbox class engine
CRATE ENGINE KIT
Upgrade your stock Honda Titan or Predator engine with this Crate Engine Kit. Includes the Rod, Flywheel, Cam, Mikuni Carb/Intake, Stinger Exhaust, Superchrome Gas Tank and much more. CLOSED COURSE COMPETITION only
CRATE ENGINE
Ready-to-Run, Complete Crate Engine. Choose a Titan or Predator. We will install, test, tune, crate and ship. CLOSED COURSE COMPETITION only
 

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