GX200
RACE ENGINES / MOTEURS DE COURSE

Stock & Blueprinted Engines   -   Outlaw & Modified Motors   -  F200 Motors   - Options          
Prices are for QX Style Motors. See Options Below for HX2, QMA, RH2, Gearbox, Half Midget, and  Clutch Motors.

Unless stated, Motors do not include tank, muffler, On/Off Switch, or linkage. If needed select option at bottom of page

ALL MOTORS ARE ALSO AVAILABLE AS EITHER GX160s or GX200s
 
Legal CKAS,  Honda open class

GX200 Race prepared, open element Air Filter and Air Filter,Cam 274, Arc Rod billet, Flywheel billet aluminium, Head milled and ported, 3 angle valve job, removal of governor, 55lb dual valve spring, Roller rocker 1,3 ratio,  Pushrods Chrome moly, Vale intake 27mm stainless and exhaust 24mm stainless, retainer aluminium heavy duty with keepers, advanced timing, rejetted carburator, bored carburator GX200,Throttle wheel, mounting plate for fuel pump, Fuel pump Walbro pulse, fuel line, Brsik sparkplug.
Dyno testing and tuning,
15 lb torque, 14 hp

NRC-GX200-14 $1699.00

STOCK & BLUEPRINTED MOTORS

(Box Stock, factory Stock, ASN, UK, etc)
GX200 Factory Stock - Race Prepped      

Stock GX200 Race prepped including,

  • Open Element Air Filter Assembly,

  • Pressure tested 3 angle valve job,

  • removal of governor,

  • 18 lb Valve Springs,

  • Small fan,

  • Advanced Timing,

  • Rejetted carb,

  • Approx 9.0 HP

May be used for ASN, UK, and other Karting classes, however please specify when ordering so we can make sure it is legal for class.

NR-FS200

$630.00

NR-FS200RG

As above but with linkage, exhaust, & Fuel pump mounting plate 

$695.00

NR-FS200RG

As above but adds fuel fump, fittings and Hoses

$735.00

Upgrade to Mini-Bike Exhaust

$13.00

Set up for Methanol

$40.00

Add Billet Rod & Dyno

$130.00

GX200 Sealed Motor Package

Same as Factory stock but motor sealed at crankcase and cylinder head to conform with sealed motor classes. Has NR Racing lead seals. Numbered seals available on request.

  

SL-FS200

$659.00

GX200 Blueprint Series - Race Prepped

     

Same as Factory stock but motor completely disassembled, inspected, parts replaced if needed, and reassembled with special attention to insure maximum performance. Special attention is paid to the crankshaft, head, and cam specs/timing (160s are advanced). Carb is flowed and all external settings adjusted to produce best power.  Motor is dyno'd. Most HP & Torque possible while using stock parts/specs. Configuration may be modified depending on spec/class requirement. Includes air filter adapter. Your choice of GX200 or GX160

NR-BP200

$830.00

 

ASN MOTORS

GX200 ASN RACE ENGINE

      

Same as Blueprint  Series but set-up specially for ASN racing. Combustion Chamber is set (minimized) to ASN CC requirements.  ASN legal jet and E-Tube added. Additional attention (beyond Blueprint series) is paid to the cam specs/timing.  As with the Blueprint series Motor is dyno'd. Most HP & Torque possible for a legal ASN motor. Includes air filter adapter, fuel pump pulse fitting, Fuel Pump Mounting Plate,  and linkage, and recoil. (for160s, click here)

 

  

GX 200 ASN BLUEPRINTED

(Max HP in ASN legal motor)

$1048.00

GX200 BACKUP MOTOR (ANS legal, but motor is not blueprinted and is NOT intended to produce maxinum hp - i.e. this is an out of box motor set-up for ASN),

$615.00

WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS.

SUPER STOCK SERIES

OUTLAW &  BACKYARD MODIFIED MOTORS

GX200 Super Stock - Package A

     

Same as Factory Stock but adds

  • Race prepped & milled Head,

  • Bored carb,

  • Valve Cover w/nipple, 

  • 1.3 Rockers Arms,

  • ~9.3 to 1 compression 

  • Approx 10 + HP 

 

  

NR-LS200

$781.00

NR-LS200RG

As above but with cable style linkage, Header/Exhaust, On/Off Switch, & Fuel pump mounting plate

Bolt in and Go

$846.00

Set up engine for Methanol

$33

Add Billet Rod and Dyno

$130.00

GX200 Super Stock - Package B

     

Same as above but adds

  • Billet Rod

  • 26 lb springs

  • Reinforced Rockers

  • Billet Guide Plate

  • 252 0206 or 0607 Cam

  • Motor is Dyno'd

  • ~12 hp

  

NR-SS200A

$1037.00

NR-SS200RGA

As above but with cable style linkage, Header/Exhaust, On/Off Switch, & Fuel pump mounting plate

Bolt in and Go

$1099.00

Set up engine for Methanol

$33

Super Stock Options

     
Add Billet Flywheel to any motor package

$130

WARNING: TO PREVENT SERIOUS INJURY AN ALUMINUM FLYWHEEL SHOULD BE USED ON ALL MODIFIED MOTORS.

MODIFIED SERIES

GX200 Limited Modified

      

 

GX200 Limited Modified package

GX200 Race Motor with

  • Full ported head

  • Stainless Steel valves

  • Oversize intake (27.5mm)

  • Aluminum Retainers &, Split Keepers, 

  • Billet rod (long rod available)

  • Stud kit,

  • Upgraded C3 Case Bearings,

  • 26 or 30 lb valve springs,

  • Billet Rocker Arms,

  • CM pushrods,

  • Billet Guide Plate

  • Race Preppred Block

  • 252 or 274 cam. 

  • Choice of Carbs.

  • Timing Key

  • Air Filter

  • Optional Aluminum Flywheel ($100)

  • Compression ratios up 12.5 to 1.

Horsepower between 11 and 16 depending on Carb & cam choice

(.280 or .285 Cam at no additional charge)

 

 

 

Motor is Dyno'd before shipping

(Note: methanol motors will be dyno'd on gas)

GX200 Modified

With Honda Bored Carb

(Stock Appearing)

Gas

engine only

$1365

with cable style linkage, Header & Fuel pump mounting plate

Bolt in and Go

$1430

Set up engine for Methanol

$33

GX200 Modified

With GX390 Carb

Gas

engine only

$1440

with cable style linkage, Header & Fuel pump mounting plate

Bolt in and Go

$1505

Set up engine for Methanol

$33

GX200 Modified

With 22mm Roundslide Carb

Gas

engine only

$1433

with cable style linkage, Header & Fuel pump mounting plate

Bolt in and Go

$1499

GX200 Modified

With 24mm Flatslide Mikuni

Gas

engine only

$1631

with cable style linkage, Header & Fuel pump mounting plate

Bolt in and Go

$1695

GX200 Modified

With 28mm Flatslide Mikuni

Methanol

engine only

$1646

with cable style linkage, Header & Fuel pump mounting plate

Bolt in and Go

$1715

GX200 Modified With Tillotson Carb  Gas or Methanol

  

Add Wiseco Piston and 3.707 Long Rod to Modified

$232

Balance Engine (uses mallory metal in crank)

$195

Add .060 Stroker Crank, Includes Balancing,

$390

ADD ALUMINUM FLYWHEEL TO ANY PACKAGE

$130

GX200 Super Modified

Same as Modified but adds

  • 29mm Intake Valve,

  • T3 Lightweight Flat-top Piston (Wiseco available),

  • Billet Rod (long rod available)

  • Roller Rockers,

  • 24/28mm Mikuni (Choice of Gas or Alky) - Other Carbs available,

  • 307 Cam,

  • Dual Springs,

  • Aluminum Flywheel

Up to 20hp depending on final combination

GX200 Super Modified,

T3 Lightweight and .020 Rod

24mm Mikuni Flatslide Gas

$2161.00

28mm Mikuni Flatslide Methanol

$2161.00

Balance Engine (uses mallory metal in crank)

$195

Add .175 Stroker Crank, (Balancing recommended),

$650

Add Wiseco Piston and 3.707 Long Rod to Super Modified

$233.00

F200 WORLD FORMULA MOTOR

Same as Super Modified but with special Porting and Cam for F200 Class. 24cc Chamber Volume,  ARC Flywheel, & Spec Tillotson Carb (Some Tuning may be required)

Motor is Dyno'd before shipping - call for specs

  

NR-WF200-HONDA

$2165.00

Options

HX2 6 to 1 Gear Box Installed

 

$169.00

QMA Half Midget Prepped HX2 w/ 6 to 1 Gear Box (Rotate Gear Box, Remove Fuel tank Bosses, Remove recoil, & Shorten Starter Cup)

 

$169.00

Electric Start Option (adds electric starter with key switch), GX200s

   

$312.00

RH2 2 to 1 Gear Box with Clutch installed

    

$260.00

Stock GX200 Muffler, Installed

   

$13.00

Stock Air Cleaner and Linkage Assembly, Installed

    

$0.01

Balanced assembly, mallory metal installed in crank

  

balancing

$162.50

Stock Fuel Tank, Installed

    

$13.00

Snow Mobile Package:

Includes Flywheel with charging Coil, Velocity Stack, and Special Exhaust (note: Engine not included, order separate)

  

SKI DOO

$310.00

ARCTIC CAT

$310.00

High Output Lighting Package

Includes 88W Coil and Flywheel

 

200LTPACK

$310.00

 

CALL FOR ADDITIONAL OPTIONS

 

Lead time on motors ranges from 1 to 3 days for a factory Stock to around 4 weeks for Modifieds (all motors are built to order). However, le ad time is based on the season. Expect longer lead times before and during race season