2000 honda recon fourtrax 250

[Mikey509]

Hey guys i recently got a old recon 250 up and going and the prev owners had the carb screws all messed up. i was wondering if anyone can give me the basic run downs on if i turn both screws all the way "tightened" how many turns out will the quad run okay so i can then dial it in. the prev owner had the screws messed up so bad it woudnt idle. i got it to idle but idles rough. its super lean any guidence is appreciated 

[Gwbarm]

 

My first question would be is this an OEM or aftermarket carb.

This procedure if for OEM carb, may work for aftermarket not sure. Most addjustments are done by ear you know when its running good and idling right, the settings are starting points, if not running good on recommended settings adjust accordingly. First step would be to make sure the carb is clean, very clean, not mostly clean.

Pilot Screw Adjustment for the Recon 250 ('97 and up)
This may also be suitable information for the same year 250SX quad.

Note:
-The pilot screw is factory pre-set. Adjustment is not necessary unless the carburetor is overhauled or new pilot screws are installed.
-The engine must be warm for accurate adjustment. Ten minutes of stop-and-go riding is sufficient.
-Use a tachometer with gradations of 50 rpm or smaller that will accurately indicate 50 rpm change.

1. Turn the pilot screw clockwise until it seats lightly, then back it out to the specification given.

CAUTION: Damage to the pilot screw seat will occur if the pilot screw is tightened against the seat.
 

• TOOL:
  • Pilot screw wrench 07908-4220201

 

• INITIAL OPENING:
  • '97 (except California type): 2 7/8 turns out
  • '97 CA type: 2 3/4 turns out
  • '98 - 2001: 2 5/8 turns out
  • After 2001: 2 turns out

2. Warm the engine up to operating temp.
3. Stop the engine and connect a tachometer according to the tach. manufacturer's instructions.
4. Start the engine and adjust the idle speed with the throttle stop screw.
 

• IDLE SPEED: 1,400 +/- 100 rpm

5. Turn the pilot screw in or out slowly to obtain the highest engine speed.
6. Readjust the idle speed with the throttle stop screw
7. Turn the pilot screw in gradually until the engine speed drops 100 rpm.
8. Turn the pilot screw counterclockwise the number of specified turns.
 

• FINAL OPENING:
  • '97 (except CA type) 3/4 turn out
  • '97 CA type/'98-2001: 7/8 turn out
  • After 2001: 1/2 turn out

9. Readjust the idle speed with the throttle stop screw.



 The throttle stop screw is on the right side of the carb. right behind the mounting stud where the carb. attaches to the intake rubber.

The pilot screw is on the front center underneath the side close to the engine cylinder.

The above info. was taken from Honda's '97-'04 Recon service manual, and I hope this helps.