GOKART SPEED


Use your Stock Carburetor or upgrade to Mikuni
Displaying products 49 - 64 of 162 results
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Billet Flywheel, GX390 & 420 Predators, Recoil Start
Item No: 6623
BLACK FRIDAY SALE: $185.00
Flywheel, Billet, GX390 & 420 Predators, Recoil Start
View Billet Flywheel, GX390 & 420 Predators, Recoil Start
K&N Stage 1 Kit, Go Kart Mini Bike Honda GX120/160/200, Titan and Predator
Item No:
List Price: $249.00
BLACK FRIDAY SALE: $189.00
You Save: $60.00 (24 %)
(FOR STOCK CARB) Complete Stage 1 Kit Honda GX160/GX200. INCLUDED: Billet Intake Adapter, K&N High Flow Air Filter, K&N Air Filter Clamp, K&N Pre-Filter, K&N Decals, RLV Exhaust Header, RLV Exhaust Silencer, RLV Exhaust Locking Collar, RLV Decals
View K&N Stage 1 Kit, Go Kart Mini Bike Honda GX120/160/200, Titan and Predator
Billet Sidecover for Honda GX390/420
Item No: 6059
BLACK FRIDAY SALE: $189.95
Billet Sidecover for GX390/420
View Billet Sidecover for Honda GX390/420
Stage 2 Hop Up Kit, Honda GX240, GX270, & 301
Item No: NR-STAGE2KIT270
BLACK FRIDAY SALE: $249.95
Step up from the Stage 1, this kit is designed to further improve the power for the GX240s and GX270s by adding a larger carb and cam.
View Stage 2 Hop Up Kit, Honda GX240, GX270, & 301
Tecumseh Formula Billet Aluminum Flywheel
Item No: 6609-TF
BLACK FRIDAY SALE: $250.00
Tecumseh Formula Flywheel for the Tecumseh TVM195 & TVM220 engines. Uses #555075 Briggs Coil. Coil Bracket Included with Purchase. Fits the Tecuseh Formula crankshaft with 5/8 - 18 Thread and uses 15/16" Wrench or Socket to fit Hex.
View Tecumseh Formula Billet Aluminum Flywheel
Tecumseh Formula Billet Aluminum Flywheel, Old Style
Item No: 6609-TFO
BLACK FRIDAY SALE: $250.00
6609-TFO Tecumseh Formula Old Style Flywheel Fits Tecumseh TVM195 & TVM220 engines. Coil Bracket Included with purchase. Use a Briggs #555075 Coil. The old syle flywheel fits the Tecumseh Formula crankshaft with 1/2 - 20 Thread or 3/4" Wrench or Socket
View Tecumseh Formula Billet Aluminum Flywheel, Old Style
Titan TX340 11hp OHV Powersport Engine 340cc, Go Kart Mini Bike
Item No:
List Price: $329.00
BLACK FRIDAY SALE: $279.00
You Save: $50.00 (15 %)
11hp 340cc, 1 in. Crankshaft Go Kart engine. Great replacement engine for many American made Go Karts from Manco, Kenbar, Kartco, Carter and more. Works with GTC Torque Converters
View Titan TX340 11hp OHV Powersport Engine 340cc, Go Kart Mini Bike
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Mikuni Stage 1 Kit, with Stinger Exhaust, for Mini Bike or Go Kart, fits Honda GX200, Titan or Predator IN STOCK
Item No:
List Price: $399.00
BLACK FRIDAY SALE: $297.00
You Save: $102.00 (26 %)
Mini Bike Upgrade GX200 Engine 11.5HP, Easy Bolt-On Kit Includes: choice of Curved or Inverted Intake Manifold, 22mm Mikuni Carb, High Flow Air Filter, Stinger Exhaust | fits most Minibikes | fits Honda GX120/160/200, Titan TX200, and Predator 212
View Mikuni Stage 1 Kit, with Stinger Exhaust, for Mini Bike or Go Kart, fits Honda GX200, Titan or Predator IN STOCK
Titan TX390 13hp Engine, Recoil Start Go Kart
Item No:
List Price: $349.00
BLACK FRIDAY SALE: $299.00
You Save: $50.00 (14 %)
13hp 390cc, 1 in. Crankshaft Go Kart engine. Great replacement engine for many American made Go Karts from Manco, Kenbar, Kartco, Carter and more. Works with GTC Torque Converters
View Titan TX390 13hp Engine, Recoil Start Go Kart
Free Shipping!
Stage 3 Hop Up Kit, Honda GX240, GX270, & Predator 301
Item No:
BLACK FRIDAY SALE: $399.95
As step up from the Stage 2, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.
View Stage 3 Hop Up Kit, Honda GX240, GX270, & Predator 301
Honda GX200 Builder Prepared Parts Kit, Go Kart
Item No:
BLACK FRIDAY SALE: $448.95
Kart Racing, for use with Stock Carb, For Honda GX200, Titan TX200, and Predator Engines. Boost your engine to over 15hp. Includes Intake, Exhaust, Chain/Heat Guard, Top Plate, Fuel Pump, Valve Springs, Cam, Main Jet, Billet Flywheel, Billet Rod and mor
View Honda GX200 Builder Prepared Parts Kit, Go Kart
Stage 3 Hop Up Kit - GX340/GX390, 420 Predators
Item No:
BLACK FRIDAY SALE: $479.95
As step up from the Stage 1, this kit is designed to improve the power for the GX340s and GX390s along with improving the durability.
View Stage 3 Hop Up Kit - GX340/GX390, 420 Predators
Crate Engine, for Go Kart, (Titan, Predator or Honda)
Item No:
BLACK FRIDAY SALE: $489.95
Ready-to-Run, just drop it in. Choose a Titan or Predator Engine, CLOSED COURSE COMPETITION only. Rated at about 25hp, Options: GTC Torque Converter, Drag Clutch, Mikuni Inverted Carb, Fatty or Stinger Exhaust. SPECIAL ORDER allow 10-14 days build time
View Crate Engine, for Go Kart, (Titan, Predator or Honda)
Box Stock 196cc OHV Engine, race ready
Item No:
BLACK FRIDAY SALE: $799.95
Ready to bolt on your kart and race in. the AKRA Box Stock class. Everything has been done to prep the engine according to AKRA rules. SPECIAL ORDER | allow 12-14 days build time
View Box Stock 196cc OHV Engine, race ready
Pulse Inlet Fitting, for Honda GX160 GX200, Titan and Predator
Item No: G6877
BLACK FRIDAY SALE: $5.71
The Pulse Inlet Fitting installs into the Valve Cover and allows installation of a vacuume line in. order to Pulse the Fuel Pump
View Pulse Inlet Fitting, for Honda GX160 GX200, Titan and Predator
Air Filter, High Flow for Mikuni VM22mm Honda GX120/160/200
Item No: G-SB20JR
List Price: $29.95
BLACK FRIDAY SALE: $23.95
You Save: $6.00 (20 %)
High Flow Air filter for Mikuni VM 22mm Carburetor. Use on Honda GX120/160/200 including Titan and Predator 212
View Air Filter, High Flow for Mikuni VM22mm Honda GX120/160/200
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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