Author Topic: Jetting change or bad reeds? (Read 7034 times)

MotorGeek - Jerry Hall · « **Reply #25 on:** June 17, 2014, 03:14:32 pm »

Quote from: Deebo on June 17, 2014, 10:17:09 am

Replaced the CDI, still experiencing the same issues... Only other thing it could be is the reeds? I think... Anyone know where to find some 88-90 V2 reeds?

I do not think that your reeds are the problem but changing the reed will not hurt anything but your wallet.

I still think that you are missing something with the carburetor or something electrical.

Deebo · « **Reply #26 on:** June 17, 2014, 03:21:55 pm »

Quote from: MotorGeek on June 17, 2014, 03:14:32 pm

Quote from: Deebo on June 17, 2014, 10:17:09 am
Replaced the CDI, still experiencing the same issues... Only other thing it could be is the reeds? I think... Anyone know where to find some 88-90 V2 reeds?

I do not think that your reeds are the problem but changing the reed will not hurt anything but your wallet.

I still think that you are missing something with the carburetor or something electrical.

Back to the garage then.

Glamisrider · « **Reply #27 on:** June 17, 2014, 04:06:03 pm »

You know the other thing I've seen is $hit in the main jet circuit or the parts just not working right. It's happen to 3 or 4 bikes. We break down the carb, clean it, never find anything and put it back together and it works, problem solved?

Maybe if you messing with the jets pull the whole assembly apart, needle jet, the jet needle, and the main and spray a little berrymans chemtool in there and make sure they are unblocked and clean, no dirt, no sand.

Deebo · « **Reply #28 on:** June 17, 2014, 05:35:59 pm »

Switched carbs, and it does the same thing. Gonna go back through the electrical and check all the connections.

Heminutt · « **Reply #29 on:** June 17, 2014, 08:29:26 pm »

Replace the pickup coil. I had the same problem the coil look good and tested good I replaced it and problem fixed

Deebo · « **Reply #30 on:** June 17, 2014, 09:07:22 pm »

I have another stator I'm gonna swap in tomorrow morning. Would have been done tonight, but the stator plate screws are trashed

Q2W · « **Reply #31 on:** June 18, 2014, 07:09:07 am »

Man, those stator plate screws are the worst. Even with an impact i still manage to booger them up.

Heminutt · « **Reply #32 on:** June 18, 2014, 09:19:15 am »

I switch all mine over to a regular bolt

Deebo · « **Reply #33 on:** June 18, 2014, 01:53:48 pm »

Stator swapped out. Still the same issue

MotorGeek - Jerry Hall · « **Reply #34 on:** June 18, 2014, 04:58:38 pm »

Are you running a spark arrestor type of muffler? If so remove the screen and make a pass down the street.

Are you running the air box lid? If so remove it and make a pass down the street.

If you are not running the air box lid, remove the air filter element and make a pass down the street.

Deebo · « **Reply #35 on:** June 18, 2014, 08:52:02 pm »

Quote from: MotorGeek on June 18, 2014, 04:58:38 pm

Are you running a spark arrestor type of muffler? If so remove the screen and make a pass down the street.

Are you running the air box lid? If so remove it and make a pass down the street.

If you are not running the air box lid, remove the air filter element and make a pass down the street.

Currently setup with the Aaen pipe, no spark arrestor, and no air box lid. Foam filter with an outer wear.

Pull the filter and make a pass? Sounds interesting..

MotorGeek - Jerry Hall · « **Reply #36 on:** June 18, 2014, 09:12:25 pm »

Quote from: Deebo on June 18, 2014, 08:52:02 pm

Quote from: MotorGeek on June 18, 2014, 04:58:38 pm

Are you running a spark arrestor type of muffler? If so remove the screen and make a pass down the street.

Are you running the air box lid? If so remove it and make a pass down the street.

If you are not running the air box lid, remove the air filter element and make a pass down the street.

Currently setup with the Aaen pipe, no spark arrestor, and no air box lid. Foam filter with an outer wear.

Pull the filter and make a pass? Sounds interesting..

I have not had good results using an outer ware on the outside of a foam filter. The filter oil gets on the outer ware and then the outer ware acts like a plastic bag over the outside of the foam filter.

Remove the outer ware and make a pass down the street.

Have you changed filter oils or possibly over oiled the foam filter?

Deebo · « **Reply #37 on:** June 18, 2014, 09:31:23 pm »

Quote from: MotorGeek on June 18, 2014, 09:12:25 pm

Quote from: Deebo on June 18, 2014, 08:52:02 pm

Quote from: MotorGeek on June 18, 2014, 04:58:38 pm

Are you running a spark arrestor type of muffler? If so remove the screen and make a pass down the street.

Are you running the air box lid? If so remove it and make a pass down the street.

If you are not running the air box lid, remove the air filter element and make a pass down the street.

Currently setup with the Aaen pipe, no spark arrestor, and no air box lid. Foam filter with an outer wear.

Pull the filter and make a pass? Sounds interesting..

I have not had good results using an outer ware on the outside of a foam filter. The filter oil gets on the outer ware and then the outer ware acts like a plastic bag over the outside of the foam filter.

Remove the outer ware and make a pass down the street.

Have you changed filter oils or possibly over oiled the foam filter?

Among all the other things I've done to trouble shoot this issues, cleaning and oiling the filter was one. I always oil as directed, let the oil soak in properly, then remove the excess oil. I'll remove the outer ware in the morning and give it a shot.

Deebo · « **Reply #38 on:** June 19, 2014, 03:52:11 pm »

Pulled the outer ware, new plug. Slight improvement, but still experiencing the same issue at 3/4-full throttle.

I've got a K&N with an outer ware... may throw it on there and give it a go. K&N with outerware perform well in dusty conditions?

Deebo · « **Reply #39 on:** June 21, 2014, 06:03:56 pm »

Went through the wire harness from front back checking for loose connections and cleaning any that looked dirty. Still having the same issue

MotorGeek - Jerry Hall · « **Reply #40 on:** June 21, 2014, 06:53:49 pm »

Remove the silencer and or look for any core failure or other problem that could be adding restriction to the exhaust flow over the original design. Adding restriction to an existing system will usually require a smaller main jet to keep it from having a rich miss-fire at wide open throttle and high RPM.

Remove the pipe and look at the piston skirt and see if any of the skirt is missing.

GrkGuy · « **Reply #41 on:** June 26, 2014, 05:54:28 am »

well matt whats going on with that pig, did you get it figured out,
might be time to change carb

Deebo · « **Reply #42 on:** June 26, 2014, 06:26:18 pm »

Swapped carbs, still the same. Silencer is pretty clogged up so in gonna start there. Also gonna pull the pipe and check the piston skirt. Ill report back

Glamisrider · « **Reply #43 on:** June 26, 2014, 10:29:25 pm »

After seeing your silencer I don't think that is the issue, your tube looks pretty clear through the middle.

Leaves the motor or the reeds, electrical and carb have been swapped.

Q2W · « **Reply #44 on:** June 27, 2014, 07:03:17 am »

Damn Deebo, this is some serious process of elimination.

Deebo · « **Reply #45 on:** June 27, 2014, 05:21:56 pm »

Someone send me a set of reeds to test that they know are good. I'll send em back

Deebo · « **Reply #46 on:** June 29, 2014, 03:24:32 pm »

Fresh packing on the silencer, pulled the pipe and the piston skirt is good shape. Slight buildup in the flange but nothing substantial. Still the same result...

Wannabemxrider · « **Reply #47 on:** June 29, 2014, 09:19:31 pm »

Just thought I might chime in. My 250 I just rebuilt had a similar problem on the top end and i thouht it wad a jetting problem. At the end of the ride I turned it off then it wouldn't start. Thought it was a ignition coil. Tested everything and found it was the primary coil going bad in the stator. I know you replaced it with another but is that a new one or a known good part. Good luck with your problem. Hope this helps.

GrkGuy · « **Reply #48 on:** July 04, 2014, 10:12:24 pm »

damm matt are you still having trouble.
do me a favor take header pipe off and check for carbon build up at exhaust port.or inside pipe

Deebo · « **Reply #49 on:** July 05, 2014, 05:56:16 am »

Quote from: GrkGuy on July 04, 2014, 10:12:24 pm

damm matt are you still having trouble.
do me a favor take header pipe off and check for carbon build up at exhaust port.or inside pipe

I pulled the pipe and cleaned everything out. I did have a good amount of "spooge" coming from where the flange meets the cylinder. Cleaned it all up and sealed the flange up. Gonna give it a try again today after work

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Author Topic: Jetting change or bad reeds? (Read 7034 times)

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