how come?

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 5, 2007

• #1

ok so I just got a xr 50 with a 88cc kit on it. i took it out riding yesterday and everything was fine. Today i took it out and the bike idles but if i gas it....it dies. if i roll the throttle on smoothly its ok but if i punch it...it dies. any ideas whats wrong? :whoa:

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 5, 2007

• Thread starter
• #2

anyone? :whoa:

 

M

mmz77

Member

Oct 15, 2006

435

0

• Aug 5, 2007

• #3

Dude don't expect a response in 20 minutes of time... :coocoo:

 

IndyMX

Crash Test Dummy

~SPONSOR~

Jul 18, 2006

5,548

2

Amo, IN

• Aug 5, 2007

• #4

You left the choke on.

 

J

j.lawson

Member

Jul 18, 2007

78

0

• Aug 5, 2007

• #5

IndyYZ85 said:

You left the choke on.

Click to expand...

Good call :cool: , never think to mention that.

 

IndyMX

Crash Test Dummy

~SPONSOR~

Jul 18, 2006

5,548

2

Amo, IN

• Aug 5, 2007

• #6

I've done it a few times. They don't run worth sh!t when you do that.

 

H

Hollowpoint

Member

Aug 4, 2007

8

0

• Aug 5, 2007

• #7

IndyYZ85 said:

You left the choke on.

Click to expand...

The simplest things can always make that big difference. Man I hate that

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 5, 2007

• Thread starter
• #8

nope it wasnt the choke

 

7

76GMC1500

Uhhh...

Oct 19, 2006

2,142

1

• Aug 5, 2007

• #9

Play with the pilot screw a little, if it doesn't get better it's probably time for a rejet.

 

J

_JOE_

~SPONSOR~

May 10, 2007

4,697

3

• Aug 5, 2007

• #10

Richen(turn out) the pilot screw a quater turn and retest.

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 5, 2007

• Thread starter
• #11

cool, what do you think would cause it to do that? it was fine one day than the next its not running properly. im not too sure where the pilot screw is. im going to take a pic with my digi cam and post it in there so you guys could tell me where it is. thanks!

 

F

FistFullofDirt

Member

Jul 15, 2007

69

0

• Aug 6, 2007

• #12

Top end going out?!

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 7, 2007

• Thread starter
• #13

ok guys where is the pilot screw? is it next to the choke? sorry the one picture is so blurry, theres a screw next to the choke but theres no way to turn it with a screwdriver its this screw that sticks out and has a small hole on one side of it. and the other pic is upside down. i played with the idle screw and the screw next to that. it didnt do anything though.



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<img src="http://i2.photobucket.com/albums/y23/cawkazn/DSCF2346.jpg" alt="Photobucket - Video and Image Hosting"><br><br>
<img src="http://i2.photobucket.com/albums/y23/cawkazn/DSCF2348.jpg" alt="Photobucket - Video and Image Hosting"><br><br>
</center>

 

scooter1130

Paragon Junkie

Damn Yankees

LIFETIME SPONSOR

May 31, 2002

1,229

2

• Aug 7, 2007

• #14

dirty air filter?

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 7, 2007

• Thread starter
• #15

i cleaned it, is the pilot screw next to the choke?

 

J

_JOE_

~SPONSOR~

May 10, 2007

4,697

3

• Aug 7, 2007

• #16

You NEED a manual!

 

7

76GMC1500

Uhhh...

Oct 19, 2006

2,142

1

• Aug 7, 2007

• #17

Pilot screw is top right in second picture. Make 1/4 to 1/2 turn adjustments. In this case, probably out. I usually start by running it in until it bottoms out and counting the turns so I can return it to its original position if I'm not satisfied with the changes. Your pilot jet may also be plugged which would explain the sudden change.

 

IndyMX

Crash Test Dummy

~SPONSOR~

Jul 18, 2006

5,548

2

Amo, IN

• Aug 7, 2007

• #18

In the future, try backing up a bit.. Those point & shoot cameras need about 3 feet between subject and lens to focus properly...

Hard to really see much in that shot.

 

H

hot125mod

Member

Jan 14, 2007

501

0

• Aug 7, 2007

• #19

on the xr it would lean out if you turn it out just like a two-stroke. MX and performance off-road 4-strokes with accelerator pumps have a fuel screw meaning by turning it out allows more fuel. it is the opposite.

 

Last edited: Aug 13, 2007

7

76GMC1500

Uhhh...

Oct 19, 2006

2,142

1

• Aug 7, 2007

• #20

True, opening it would lean it out on that carb.

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 8, 2007

• Thread starter
• #21

when i turn it out, the bike doesnt idle anymore. I than increased the idle speed or rate or whatever and the bike idled fine but it still bogs and dies when i punch the throttle.

 

7

76GMC1500

Uhhh...

Oct 19, 2006

2,142

1

• Aug 8, 2007

• #22

Well, if turning it out makes it worse, try turning it in. Make sure it's the right screw, the idle speed adjusting screw is in the middle of the carburetor and in the middle of the 2nd picture. The pilot air screw is in the upper right corner of the 2nd picture.

 

H

helio lucas

~SPONSOR~

Jun 20, 2007

1,020

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• Aug 9, 2007

• #23

have you clean the carb? sounds like dirty carb...

 

H

HubertGarfunkleIII

Member

Mar 16, 2007

471

0

• Aug 12, 2007

• Thread starter
• #24

yeah, well i took off the bottom part which is the float bowl right? so i put the carb back to its stock settings, gave it a full tank of gas and the bike runs ok. the bog is still there when i punch it but not as bad.

 

C

CHR!S

Member

Jun 30, 2006

293

0

• Aug 13, 2007

• #25

clogged jet?