Honda
TRX300 Fourtrax (not EX)
1988-2000

scroll down to see all items available  
 
STOCK JET SIZE: These values are provided to assist in finding a starting point for jetting. Slight changes for regional variation may occur so the jets in different engines may vary.

Stock main 120 thru 125
Stock pilot 40

 
   
 
Jet Kit  
Honda TRX300 Fourtrax (not EX) 1988-2000 jet kit $34.99
 
 
The jet kit comes with all the following brand new parts: Main jets: 135, 138, 140, 142, 145, 148, 150, 152 and 4 stainless steel allen head bolts for the carb bowl. Instructions on jetting included.
This kit is for modifications such as the following: aftermarket air filter, air box lid removed, modified air box, aftermarket slip-on exhaust or completely modified exhaust or cams.
 
Slow / Pilot Jets  
Keihin slow 36-xxx and N424-26


OVERALL LENGTH = 23.5mm

 

    
 
OEM STYLE KEIHIN JETS - price each   GENUINE KEIHIN JETS - price each
     
OEM style Keihin slow jet size 38 $5.59
 
GENUINE Keihin slow jet size 35 $6.49
OEM style Keihin slow jet size 40 $5.59
 
GENUINE Keihin slow jet size 38 $6.49
OEM style Keihin slow jet size 42 $5.59
 
GENUINE Keihin slow jet size 40 $6.49
OEM style Keihin slow jet size 45 $5.59
 
GENUINE Keihin slow jet size 42 $6.49
OEM style Keihin slow jet size 48 $5.59
 
GENUINE Keihin slow jet size 45 $6.49
OEM style Keihin slow jet size 50 $5.59
 
GENUINE Keihin slow jet size 48 $6.49
OEM style Keihin slow jet size 52 $5.59
 
GENUINE Keihin slow jet size 50 $6.49
OEM style Keihin slow jet size 55 $5.59
 
GENUINE Keihin slow jet size 52 $6.49
OEM style Keihin slow jet size 58 $5.59
 
GENUINE Keihin slow jet size 55 $6.49
OEM style Keihin slow jet size 60 $5.59
 
GENUINE Keihin slow jet size 58 $6.49
OEM style Keihin slow jet size 65 $5.59
 
GENUINE Keihin slow jet size 60 $6.49
   
GENUINE Keihin slow jet size 62 $6.49
   
GENUINE Keihin slow jet size 65 $6.49
   
GENUINE Keihin slow jet size 68 $6.49
   
GENUINE Keihin slow jet size 70 $6.49
   
GENUINE Keihin slow jet size 72 $6.49
   
GENUINE Keihin slow jet size 75 $6.49
   
GENUINE Keihin slow jet size 78 $6.49
   
GENUINE Keihin slow jet size 80 $6.49
     
     
 
 
Main Jets  
OEM style Keihin main round 28-xxx N424-36 99101-393


OVERALL LENGTH = 8mm
HEAD DIAMETER = 6mm

 
 
OEM STYLE KEIHIN JETS - price each   GENUINE KEIHIN JETS - price each
     
OEM style Keihin main jet size 60 $2.89
 
GENUINE Keihin main jet size 60 $6.49
OEM style Keihin main jet size 62 $2.89
 
GENUINE Keihin main jet size 62 $6.49
OEM style Keihin main jet size 65 $2.89
 
GENUINE Keihin main jet size 65 $6.49
OEM style Keihin main jet size 68 $2.89
 
GENUINE Keihin main jet size 68 $6.49
OEM style Keihin main jet size 70 $2.89
 
GENUINE Keihin main jet size 70 $6.49
OEM style Keihin main jet size 72 $2.89
 
GENUINE Keihin main jet size 72 $6.49
OEM style Keihin main jet size 75 $2.89
 
GENUINE Keihin main jet size 75 $6.49
OEM style Keihin main jet size 78 $2.89
 
GENUINE Keihin main jet size 78 $6.49
OEM style Keihin main jet size 80 $2.89
 
GENUINE Keihin main jet size 80 $6.49
OEM style Keihin main jet size 82 $2.89
 
GENUINE Keihin main jet size 82 $6.49
OEM style Keihin main jet size 85 $2.89
 
GENUINE Keihin main jet size 85 $6.49
OEM style Keihin main jet size 88 $2.89
 
GENUINE Keihin main jet size 88 $6.49
OEM style Keihin main jet size 90 $2.89
 
GENUINE Keihin main jet size 90 $6.49
OEM style Keihin main jet size 92 $2.89
 
GENUINE Keihin main jet size 92 $6.49
OEM style Keihin main jet size 95 $2.89
 
GENUINE Keihin main jet size 95 $6.49
OEM style Keihin main jet size 98 $2.89
 
GENUINE Keihin main jet size 98 $6.49
OEM style Keihin main jet size 100 $2.89
 
GENUINE Keihin main jet size 100 $6.49
OEM style Keihin main jet size 102 $2.89
 
GENUINE Keihin main jet size 102 $6.49
OEM style Keihin main jet size 105 $2.89
 
GENUINE Keihin main jet size 105 $6.49
OEM style Keihin main jet size 108 $2.89
 
GENUINE Keihin main jet size 108 $6.49
OEM style Keihin main jet size 110 $2.89
 
GENUINE Keihin main jet size 110 $6.49
OEM style Keihin main jet size 112 $2.89
 
GENUINE Keihin main jet size 112 $6.49
OEM style Keihin main jet size 115 $2.89
 
GENUINE Keihin main jet size 115 $6.49
OEM style Keihin main jet size 118 $2.89
 
GENUINE Keihin main jet size 118 $6.49
OEM style Keihin main jet size 120 $2.89
 
GENUINE Keihin main jet size 120 $6.49
OEM style Keihin main jet size 122 $2.89
 
GENUINE Keihin main jet size 122 $6.49
OEM style Keihin main jet size 125 $2.89
 
GENUINE Keihin main jet size 125 $6.49
OEM style Keihin main jet size 128 $2.89
 
GENUINE Keihin main jet size 128 $6.49
OEM style Keihin main jet size 130 $2.89
 
GENUINE Keihin main jet size 130 $6.49
OEM style Keihin main jet size 132 $2.89
 
GENUINE Keihin main jet size 132 $6.49
OEM style Keihin main jet size 135 $2.89
 
GENUINE Keihin main jet size 135 $6.49
OEM style Keihin main jet size 138 $2.89
 
GENUINE Keihin main jet size 138 $6.49
OEM style Keihin main jet size 140 $2.89
 
GENUINE Keihin main jet size 140 $6.49
OEM style Keihin main jet size 142 $2.89
 
GENUINE Keihin main jet size 142 $6.49
OEM style Keihin main jet size 145 $2.89
 
GENUINE Keihin main jet size 145 $6.49
OEM style Keihin main jet size 148 $2.89
 
GENUINE Keihin main jet size 148 $6.49
OEM style Keihin main jet size 150 $2.89
 
GENUINE Keihin main jet size 150 $6.49
OEM style Keihin main jet size 152 $2.89
 
GENUINE Keihin main jet size 152 $6.49
OEM style Keihin main jet size 155 $2.89
 
GENUINE Keihin main jet size 155 $6.49
OEM style Keihin main jet size 158 $2.89
 
GENUINE Keihin main jet size 158 $6.49
OEM style Keihin main jet size 160 $2.89
 
GENUINE Keihin main jet size 160 $6.49
OEM style Keihin main jet size 162 $2.89
 
GENUINE Keihin main jet size 162 $6.49
OEM style Keihin main jet size 165 $2.89
 
GENUINE Keihin main jet size 165 $6.49
OEM style Keihin main jet size 170 $2.89
 
GENUINE Keihin main jet size 168 $6.49
OEM style Keihin main jet size 175 $2.89
 
GENUINE Keihin main jet size 170 $6.49
OEM style Keihin main jet size 180 $2.89
 
GENUINE Keihin main jet size 172 $6.49
OEM style Keihin main jet size 185 $2.89
 
GENUINE Keihin main jet size 175 $6.49
OEM style Keihin main jet size 190 $2.89
 
GENUINE Keihin main jet size 178 $6.49
   
GENUINE Keihin main jet size 180 $6.49
   
GENUINE Keihin main jet size 182 $6.49
   
GENUINE Keihin main jet size 185 $6.49
   
GENUINE Keihin main jet size 188 $6.49
   
GENUINE Keihin main jet size 190 $6.49
   
GENUINE Keihin main jet size 192 $6.49
   
GENUINE Keihin main jet size 195 $6.49
   
GENUINE Keihin main jet size 198 $6.49
   
GENUINE Keihin main jet size 200 $6.49
     

 

  
Carb Bowl Screws  
Honda TRX300 Fourtrax 1992-2000 stainless steel allen screws 4 for $6.92.
 
   
 
These screws are factory metric equivalent threads so the metric allen hex wrench sold below may be needed.  
 
wrench_hex_carb_bowl
Wrench For Carb Bowl Screws
Short arm style to allow wrench to fit in smaller areas.
Metric hex wrench for screws $0.87
 
 
BALL-END Wrench For Carb Bowl Screws
Ball end style for removal and installation of carb bowl screws from any angle.
Bondhus balldriver hex key $3.62
 
 
 
 
 
CARB REBUILD KIT fit years 1988-1990  
shindy_03-021
Content of kit varies depending on make, model and year; photo shown for illustrative purposes only. Most carburetor rebuild kits come with the following components: needle, needle jet, main jet, pilot jet, float spring, float needle, o-ring, c-clips, gaskets, and more.
Carburetor rebuild kit (SKU 03-021) $16.00
 
 
 
CARB REBUILD KIT fit years 1991-1992  
shindy_03-029
Content of kit varies depending on make, model and year; photo shown for illustrative purposes only. Most carburetor rebuild kits come with the following components: needle, needle jet, main jet, pilot jet, float spring, float needle, o-ring, c-clips, gaskets, and more.
Carburetor rebuild kit (SKU 03-029) $16.00
 
 
 
CARB REBUILD KIT fit years 1993-2000  
shindy_03-031
Content of kit varies depending on make, model and year; photo shown for illustrative purposes only. Most carburetor rebuild kits come with the following components: needle, needle jet, main jet, pilot jet, float spring, float needle, o-ring, c-clips, gaskets, and more.
Carburetor rebuild kit (SKU 03-031) $16.50
 
 
 
MASTER CYLINDER REBUILD KIT FRONT FITS YEARS 1988-1999  
shindy_06-001
NISSIN FRONT Master cyclinder rebuild kits
 
Master cylinder FRONT rebuild kit (SKU 06-001) $17.59
 
 
 
 
MASTER CYLINDER REBUILD KIT FRONT FITS YEARS 2000  
shindy_06-003
NISSIN FRONT Master cyclinder rebuild kits
 
Master cylinder FRONT rebuild kit (SKU 06-003) $20.59
 
 
 
 
 
PISTON KITS  

KITS INCLUDE:

  • Piston
  • Ring set
  • Wrist pin
  • Circlips
 
Honda TRX300 Fourtrax 1988-2000 std bore piston kit $72.90
 
   
 
PISTON RING SET  
 
Honda TRX300 Fourtrax 1988-2000 std bore piston ring set $16.10
 
   
 
CLUTCH DISC SET  
Content of kit varies depending on make, model and year; photo shown for illustrative purposes only.  
Clutch disc set Honda TRX300 Fourtrax 88-00 $39.62
 
 


SPROCKET FITS YEARS (see application guide - click on sprockets icon)sprocket applications

  
   
 
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