CAN-AM (BRP) Discussions about CAN-AM ATVs.

stock carb adjustment

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Old Jun 3, 2005 | 02:25 PM
  #1  
DSreconstructed's Avatar
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Weekend Warrior
Joined: May 2005
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Default stock carb adjustment

Does anyone have a diagram of how to adjust the stock carb. Got it running but really has no top end, bogs down and when i hit the gas wide open, just shuts off. Any suggestions???
 
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Old Jun 3, 2005 | 04:27 PM
  #2  
SCOUNDREL's Avatar
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Default stock carb adjustment

Quoted information:

CARB SET SCREW SETTINGS:

Set screw out 3 turns. Start motor and let idle or go for short run.
To set pilot screw motor must be hot. Turn idle down till almosts quits running.
Turn screw in till lugs or stops running- Turn off motor - turn screw in and count turns.
Go back to 3 turns and start motor.
Turn out till motor lugs or stops running.Turn off motor - turn screw in and count turns.
Subtract in reading from out reading and that number divide by 2.
Take that number and either add to low reading or subtract form high reading.

Example: In reading 2 turns - Out reading 8 turns
8-2=6/2=3
Add 3 to 2 = 5 turns or subtract 3 from 8 = 5 turns

The key is to have the motor running at the lowest rpm without turning off and motor hot.

Reset idle speed to 1400rpm
Important - If motor idle is set too low the pilot orifice into throttle body is covered and motor will not start easy. For you guys that complain about starting


 
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Old Jun 3, 2005 | 04:49 PM
  #3  
jackass650's Avatar
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Default stock carb adjustment

hey scoundrel in the parts diagram they show the thick pastic washer and two other ones different part numbers but look the same on the microfishe, one is 4.50 and one is 1.54 so I ordered the cheaper one got it in last month and now know on my 2002 ds, the order is from the pointy end thin steel washer-thick plastic washer-e clip-thick steel washer-spring-then holder with o ring attached,
 
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