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Old 01-01-2013, 05:30 PM   #14041
jeep8
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Joined: Feb 2009
Location: Florence, Al
Oddometer: 277
Quote:
Originally Posted by RuggedExposure View Post
My bike started popping and backfiring while on a 2 hr ride a few weeks ago...
As the trip progressed, the backfiring got worse. It started out only being under acceleration and nothing noticeable, then it started bogging down and barely made it to my destination.

I cleaned the air filter, reoiled it and that didn't work.
I then checked the plug, gapped correctly and the correct color.

I doubt its the carb, I just rebuilt that.
Possible the coil? Has anyone used the aftermarket coils available on fleebay?
My air/fuel screw came out one time and caused simular symptoms(popping and backfiring) at less than 4500rpm's
It's the screw on the bottom front of the carb; I replaced it with the extended screw from keintech, has a spring and oring I think
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Old 01-01-2013, 07:25 PM   #14042
mustangwagz
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Did anyone else see these?

http://www.ebay.com/itm/290826731620...84.m1439.l2649
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Old 01-01-2013, 08:28 PM   #14043
markk900
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Originally Posted by MiteyF View Post
Typically backfiring is a symptom of lean running, not rich ^^^^^
Agree - but that's what I found......or at least, replacing the O rings restored the bike to normal running. I suppose one check would be to pull the choke when the problem is happening and if it gets better then lean is the problem (probably an air leak then).
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Old 01-01-2013, 09:10 PM   #14044
2bold2getold
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Joined: Dec 2011
Location: DFW TX
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Quote:
Originally Posted by RuggedExposure View Post
My bike started popping and backfiring while on a 2 hr ride a few weeks ago...
As the trip progressed, the backfiring got worse. It started out only being under acceleration and nothing noticeable, then it started bogging down and barely made it to my destination.

I cleaned the air filter, reoiled it and that didn't work.
I then checked the plug, gapped correctly and the correct color.

I doubt its the carb, I just rebuilt that.
Possible the coil? Has anyone used the aftermarket coils available on fleebay?
Is it a real back fire out the tail pipe/muffler or popping back through the intake ?
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Old 01-01-2013, 10:26 PM   #14045
jmderyke
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Joined: Dec 2012
Location: State of Jefferson
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Quote:
Originally Posted by RuggedExposure View Post
My bike started popping and backfiring while on a 2 hr ride a few weeks ago...
As the trip progressed, the backfiring got worse. It started out only being under acceleration and nothing noticeable, then it started bogging down and barely made it to my destination.

I cleaned the air filter, reoiled it and that didn't work.
I then checked the plug, gapped correctly and the correct color.

I doubt its the carb, I just rebuilt that.
Possible the coil? Has anyone used the aftermarket coils available on fleebay?
Before you go tearing into your carb inspect your exhaust, if its loose it can be letting air into the exhaust and that gives the hot gases fresh air to ignite. This usually happens when you let off the gas with higher rpms. If its not the exhaust its most likely the carb
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Old 01-02-2013, 05:22 AM   #14046
Greg Bender
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Quote:
Originally Posted by mustangwagz View Post
Interesting. I don't recall ever seeing these in the spare parts catalogs. An aftermarket piece from Germany, perhaps??? Looks like a well put together kit, although I don't really see any truly useful need for them on the DR350.

Regards,

Gregory Bender
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Old 01-02-2013, 11:11 AM   #14047
shearboy2004
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Location: Ft Collins ,Colorado
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Quote:
Originally Posted by Greg Bender View Post
Interesting. I don't recall ever seeing these in the spare parts catalogs. An aftermarket piece from Germany, perhaps??? Looks like a well put together kit, although I don't really see any truly useful need for them on the DR350.

Regards,

Gregory Bender
I agree Greg , bit of bling really .Hell I have dropped my DR so many times at speed and in some really awful places and never damaged the engine .
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Old 01-02-2013, 01:19 PM   #14048
philp38
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Another noob DR350 Question. Yesterday I replaced the rear tire. Does it matter which side of the bike the axle nut is on. I looked it over and it looks no different except the locknut is now on the left of the bike instead of the right.
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Old 01-02-2013, 01:30 PM   #14049
brianjonesphoto
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Quote:
Originally Posted by philp38 View Post
Another noob DR350 Question. Yesterday I replaced the rear tire. Does it matter which side of the bike the axle nut is on. I looked it over and it looks no different except the locknut is now on the left of the bike instead of the right.
No harm not foul. Personally I fund it much easier to get the wheel on when the axle is holding the caliper mount in place.
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Old 01-02-2013, 01:35 PM   #14050
brianjonesphoto
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PivotPegz?

for anyone interested I'm parting with my Pivotpegz that I've had on my 99SE. They work great for dualsport riding and are super wide.

http://www.advrider.com/forums/showt...4#post20379304
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Old 01-02-2013, 01:38 PM   #14051
philp38
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Quote:
Originally Posted by brianjonesphoto View Post
No harm not foul. Personally I fund it much easier to get the wheel on when the axle is holding the caliper mount in place.
Thanks.. Your right those 2 spacers and the caliper mount can be a PITA. I used a MC jack and just kept lowering it until everything lined up.
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Old 01-02-2013, 06:54 PM   #14052
jmderyke
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Top end rebuild

I am redoing the head on my 91 dr350s and I wanted to know if anyone has redone their head with a wiseco 10.5 to compression piston and a web cam camshaft looking at there 223 grind. Im interested if theres any clearance issues thanks!
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Old 01-02-2013, 06:55 PM   #14053
Bridude
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1997 DR350 SE Carb

Hi guys

NEW DR350 owner here. I was just looking over the bike and noticed that the carb on the bike is a Mikuni. Is this stock?

I have read a lot about the Mikuni pumper carb and was wondering if the DR came with a standard Mikuni carb as well.

Thanks!

Here's a pic:

[img]
image upload
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Old 01-02-2013, 07:16 PM   #14054
RuggedExposure
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Location: Hermanas, NM (on the US/Mex border past BFE)
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Quote:
Originally Posted by Bridude View Post
Hi guys

NEW DR350 owner here. I was just looking over the bike and noticed that the carb on the bike is a Mikuni. Is this stock?

I have read a lot about the Mikuni pumper carb and was wondering if the DR came with a standard Mikuni carb as well.

Thanks!

Here's a pic:

[img]
image upload
More than likely that bike will not have the pumper carb on it.
Looks clean though!
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Old 01-02-2013, 07:16 PM   #14055
mustangwagz
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Quote:
Originally Posted by Greg Bender View Post
Interesting. I don't recall ever seeing these in the spare parts catalogs. An aftermarket piece from Germany, perhaps??? Looks like a well put together kit, although I don't really see any truly useful need for them on the DR350.

Regards,

Gregory Bender
Yah i seen the german writing and was like hmmm...foreign country aftermarket parts...they always get the neat stuff! lol

And yinz are right, they serve no purpose really, but would look neat!!...and they'd make it a one of a kind bike (Kinda?..lol)

so ill be sure to get pics when i install them!! LOL Merry Xmas to ME!
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