Honda TRX300 Fourtrax (not EX) 1988-2000

TYPICAL JET SIZE:
Main Jet - 120 to 125*
Slow Jet - 40*
*Typical size only- verify jet size and Compare dimensions to those listed before ordering. See Jet Finder for other jets available.
 
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
THREAD DIAMETER = 5.9mm
GENUINE keihin jets - price each   OEM EQUIVALENT keihin jets - price each
GENUINE Keihin slow jet size 35 $6.49
 
OEM equivalent Keihin slow jet size 38 $5.59
GENUINE Keihin slow jet size 38 $6.49
 
OEM equivalent Keihin slow jet size 40 $5.59
GENUINE Keihin slow jet size 40 $6.49
 
OEM equivalent Keihin slow jet size 42 $5.59
GENUINE Keihin slow jet size 42 $6.49
 
OEM equivalent Keihin slow jet size 45 $5.59
GENUINE Keihin slow jet size 45 $6.49
 
OEM equivalent Keihin slow jet size 48 $5.59
GENUINE Keihin slow jet size 48 $6.49
 
OEM equivalent Keihin slow jet size 50 $5.59
GENUINE Keihin slow jet size 50 $6.49
 
OEM equivalent Keihin slow jet size 52 $5.59
GENUINE Keihin slow jet size 52 $6.49
 
OEM equivalent Keihin slow jet size 55 $5.59
GENUINE Keihin slow jet size 55 $6.49
 
OEM equivalent Keihin slow jet size 58 $5.59
GENUINE Keihin slow jet size 58 $6.49
 
OEM equivalent Keihin slow jet size 60 $5.59
GENUINE Keihin slow jet size 60 $6.49
 
OEM equivalent Keihin slow jet size 65 $5.59
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 equivalent Keihin main round 28-xxx 99101-393

keihin main jet 99101-393
OVERALL LENGTH = 8mm
HEAD DIAMETER = 6mm
THREAD DIAMETER = 4.9
GENUINE keihin jets - price each   OEM EQUIVALENT keihin jets - price each
GENUINE Keihin main jet size 60 $6.49
 
OEM equivalent Keihin main jet size 60 $2.89
GENUINE Keihin main jet size 62 $6.49
 
OEM equivalent Keihin main jet size 62 $2.89
GENUINE Keihin main jet size 65 $6.49
 
OEM equivalent Keihin main jet size 65 $2.89
GENUINE Keihin main jet size 68 $6.49
 
OEM equivalent Keihin main jet size 68 $2.89
GENUINE Keihin main jet size 70 $6.49
 
OEM equivalent Keihin main jet size 70 $2.89
GENUINE Keihin main jet size 72 $6.49
 
OEM equivalent Keihin main jet size 72 $2.89
GENUINE Keihin main jet size 75 $6.49
 
OEM equivalent Keihin main jet size 75 $2.89
GENUINE Keihin main jet size 78 $6.49
 
OEM equivalent Keihin main jet size 78 $2.89
GENUINE Keihin main jet size 80 $6.49
 
OEM equivalent Keihin main jet size 80 $2.89
GENUINE Keihin main jet size 82 $6.49
 
OEM equivalent Keihin main jet size 82 $2.89
GENUINE Keihin main jet size 85 $6.49
 
OEM equivalent Keihin main jet size 85 $2.89
GENUINE Keihin main jet size 88 $6.49
 
OEM equivalent Keihin main jet size 88 $2.89
GENUINE Keihin main jet size 90 $6.49
 
OEM equivalent Keihin main jet size 90 $2.89
GENUINE Keihin main jet size 92 $6.49
 
OEM equivalent Keihin main jet size 92 $2.89
GENUINE Keihin main jet size 95 $6.49
 
OEM equivalent Keihin main jet size 95 $2.89
GENUINE Keihin main jet size 98 $6.49
 
OEM equivalent Keihin main jet size 98 $2.89
GENUINE Keihin main jet size 100 $6.49
 
OEM equivalent Keihin main jet size 100 $2.89
GENUINE Keihin main jet size 102 $6.49
 
OEM equivalent Keihin main jet size 102 $2.89
GENUINE Keihin main jet size 105 $6.49
 
OEM equivalent Keihin main jet size 105 $2.89
GENUINE Keihin main jet size 108 $6.49
 
OEM equivalent Keihin main jet size 108 $2.89
GENUINE Keihin main jet size 110 $6.49
 
OEM equivalent Keihin main jet size 110 $2.89
GENUINE Keihin main jet size 112 $6.49
 
OEM equivalent Keihin main jet size 112 $2.89
GENUINE Keihin main jet size 115 $6.49
 
OEM equivalent Keihin main jet size 115 $2.89
GENUINE Keihin main jet size 118 $6.49
 
OEM equivalent Keihin main jet size 118 $2.89
GENUINE Keihin main jet size 120 $6.49
 
OEM equivalent Keihin main jet size 120 $2.89
GENUINE Keihin main jet size 122 $6.49
 
OEM equivalent Keihin main jet size 122 $2.89
GENUINE Keihin main jet size 125 $6.49
 
OEM equivalent Keihin main jet size 125 $2.89
GENUINE Keihin main jet size 128 $6.49
 
OEM equivalent Keihin main jet size 128 $2.89
GENUINE Keihin main jet size 130 $6.49
 
OEM equivalent Keihin main jet size 130 $2.89
GENUINE Keihin main jet size 132 $6.49
 
OEM equivalent Keihin main jet size 132 $2.89
GENUINE Keihin main jet size 135 $6.49
 
OEM equivalent Keihin main jet size 135 $2.89
GENUINE Keihin main jet size 138 $6.49
 
OEM equivalent Keihin main jet size 138 $2.89
GENUINE Keihin main jet size 140 $6.49
 
OEM equivalent Keihin main jet size 140 $2.89
GENUINE Keihin main jet size 142 $6.49
 
OEM equivalent Keihin main jet size 142 $2.89
GENUINE Keihin main jet size 145 $6.49
 
OEM equivalent Keihin main jet size 145 $2.89
GENUINE Keihin main jet size 148 $6.49
 
OEM equivalent Keihin main jet size 148 $2.89
GENUINE Keihin main jet size 150 $6.49
 
OEM equivalent Keihin main jet size 150 $2.89
GENUINE Keihin main jet size 152 $6.49
 
OEM equivalent Keihin main jet size 152 $2.89
GENUINE Keihin main jet size 155 $6.49
 
OEM equivalent Keihin main jet size 155 $2.89
GENUINE Keihin main jet size 158 $6.49
 
OEM equivalent Keihin main jet size 158 $2.89
GENUINE Keihin main jet size 160 $6.49
 
OEM equivalent Keihin main jet size 160 $2.89
GENUINE Keihin main jet size 162 $6.49
 
OEM equivalent Keihin main jet size 162 $2.89
GENUINE Keihin main jet size 165 $6.49
 
OEM equivalent Keihin main jet size 165 $2.89
GENUINE Keihin main jet size 168 $6.49
 
OEM equivalent Keihin main jet size 170 $2.89
GENUINE Keihin main jet size 170 $6.49
 
OEM equivalent Keihin main jet size 175 $2.89
GENUINE Keihin main jet size 172 $6.49
 
OEM equivalent Keihin main jet size 180 $2.89
GENUINE Keihin main jet size 175 $6.49
 
OEM equivalent Keihin main jet size 185 $2.89
GENUINE Keihin main jet size 178 $6.49
 
OEM equivalent Keihin main jet size 190 $2.89
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
   

 
screws M4 X 12
CARB BOWL SCREWS
Stainless steel allen head screws for carb bowl. These screws are factory metric equivalent threads so the allen hex wrench sold below may be needed.
Carb bowl screws qty 4 for $5.92
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
hex wrench 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
ballpoint hex wrench Ball end style for removal and installation of carb bowl screws from any angle.
Bondhus balldriver hex key $3.62