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Old 04-06-2013, 09:00 AM   #75511
procycle
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Quote:
Originally Posted by sandwash View Post
people who have bad mileage have poorly jetted/setup carbs.
+1
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Old 04-06-2013, 11:05 AM   #75512
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Cheap tubeless conversion......

Just finished doing the back tire on my DR650. I used a wire wheel to clean the rim and especially the spot where it is welded together. Used brake cleaner just before putting on the liquid tape. http://www.walmart.com/ip/Performix-...-Tape/16888975
The liquid tape Was not as easy to use as I had hoped. It had a tendency to shrink a bit as it cured. Some of the nipples turned out really good but others had a small hole in it. I can only guess that this was from the solvent evaporating and escaping via this little hole. So I ended up putting 4 coats on to make sure all the little holes were covered. Aired up the tire and overnight it lost about 2PSI Stuck it in the kiddie pool and all the spokes/nipples were good but......there was a small leak between the tire and rim. Going to ride it a bit and hope somehow it seals up. Just really want the ability to fix a flat in a minute without pulling a tire/tube on the side of the road. The front tire is next.

SCExpat screwed with this post 04-06-2013 at 11:11 AM
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Old 04-06-2013, 12:04 PM   #75513
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Quote:
Originally Posted by inroads View Post
My experience: the CV stock vs.Pumper/header/GSXR pipe made a small difference,to say nothing of the drop in gas mileage and the $700+.
IMO,not worth it. (BTW,jetting per Kientech)
My mileage stayed the same.
Jetting as per MX_rob.
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Old 04-06-2013, 12:10 PM   #75514
DockingPilot
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I've had both the pumper and of the course the stock. I went back to the stock carb because I'm weak and puny and the heavy return spring after all day in the saddle was just intruding too much into the ride.
Short story short. I used the PC jet kit on the stocker and to be honest the difference between the two is nil.
I adventure tour the bike for reference



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Old 04-06-2013, 12:23 PM   #75515
bross
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Quote:
Originally Posted by SCExpat View Post
Just finished doing the back tire on my DR650. I used a wire wheel to clean the rim and especially the spot where it is welded together. Used brake cleaner just before putting on the liquid tape. http://www.walmart.com/ip/Performix-...-Tape/16888975
The liquid tape Was not as easy to use as I had hoped. It had a tendency to shrink a bit as it cured. Some of the nipples turned out really good but others had a small hole in it. I can only guess that this was from the solvent evaporating and escaping via this little hole. So I ended up putting 4 coats on to make sure all the little holes were covered. Aired up the tire and overnight it lost about 2PSI Stuck it in the kiddie pool and all the spokes/nipples were good but......there was a small leak between the tire and rim. Going to ride it a bit and hope somehow it seals up. Just really want the ability to fix a flat in a minute without pulling a tire/tube on the side of the road. The front tire is next.
Good writeup here... and mixed reviews

http://advrider.com/forums/showthread.php?t=845718
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Old 04-06-2013, 10:35 PM   #75516
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SCExpat

I'll be sendin' positive vibes your way, in hopes that your able to pull this off, plugin' tires is a whole lot easier that changin' out tubes. I've known KLR owners who made this work!

Jeff (SoPaRider)

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Old 04-07-2013, 05:20 AM   #75517
SCExpat
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Quote:
Originally Posted by SoPaRider View Post
SCExpat

I'll be sendin' positive vibes your way, in hopes that your able to pull this off, plugin' tires is a whole lot easier that changin' out tubes. I've known KLR owners who made this work!

Jeff (SoPaRider)

'09 DR650SE
Thanks. I got the idea here: http://www.supermotojunkie.com/showt...nder-10-00!!!!

Lots of SuMo riders making it work. I have been real lucky with not getting a flat on a bike for......years. But, that luck will run out sometime and when it does I do not want to have to fix a tube on the side of the road. That is the only reason I am doing this.
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Old 04-07-2013, 05:26 AM   #75518
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Ok
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Old 04-07-2013, 05:31 AM   #75519
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Fixing flats ain't a problem. Just ride with a guy that has a
sears toolbox mounted on his bike. he changed the tube in no time.

That is a great idea. No more tubes.


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Old 04-07-2013, 05:41 AM   #75520
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I have a question. Pretty sure my problem is old valve seals.
My 97 dr650 with 10,000 miles is blowing oil smoke on start up after sitting a day or so. Stops after a few minutes.
Mech wants to do a top end rebuild. Says he will find the cylinder bore egged. Engine still runs great. All I want to do is replace the seals.


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Old 04-07-2013, 06:45 AM   #75521
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Quote:
Originally Posted by lonewolf97 View Post
I have a question. Pretty sure my problem is old valve seals.
My 97 dr650 with 10,000 miles is blowing oil smoke on start up after sitting a day or so. Stops after a few minutes.
Mech wants to do a top end rebuild. Says he will find the cylinder bore egged. Engine still runs great. All I want to do is replace the seals.


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Mine does that too sometimes (@38K miles) but it doesn't use any significant amount of oil and runs well. I'm just not going to worry about it until it gets a LOT worse.
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Old 04-07-2013, 07:00 AM   #75522
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Quote:
Originally Posted by sandwash View Post
At least 90% or more who changed out to a pumper carb would disagree with this statement.I may have lost 5 mph,but the fun factor out ways that big time.It all depends on where and how you ride.It's the way the fuel is delivered.Nothing wrong with stock,but most us just can't leave things alone.It makes the DR motor run like it should.People who have bad mileage have poorly jetted/setup carbs.Talk to the people with the Dyno Jet kit who get crappy mileage,it's over jetted. Stock HP is 34-36,with the mods about you are close to 40.HP cost money,If that is you want to do.And it runs a hole lot better.And you don't have to spend 700$ if you do it right.
Stock cark/Dyno Jet vs Pumper is apples and oranges,for me how and where I ride it well worth it.
My FCR-MX DIYwas right around 200$ installed and running.Exhaust:35FO,mid-pipe and flange right at 200$.Took some time ,but then again I am a cheap/poor bastard.
I'm obviously in the 10% crowd. I've got a DR with a pumper carb, full FMF exhaust, opened air box, and also have a buddy's DR sitting in my garage that has NONE of the mods. There is a small bit of difference, but nothing to get excited over. If I hadn't bought my DR with all those mods I honestly wouldn't bother doing it. I have to say my view of it all is a bit tainted since I also own a KTM 690. Were tallking a bike that has 15 more HP and weighs 50 lbs less. The DR is not even in the same ball park as the 690. Hell, it's not even in the same zip code.
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Old 04-07-2013, 07:04 AM   #75523
Albie
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Quote:
Originally Posted by lonewolf97 View Post
I have a question. Pretty sure my problem is old valve seals.
My 97 dr650 with 10,000 miles is blowing oil smoke on start up after sitting a day or so. Stops after a few minutes.
Mech wants to do a top end rebuild. Says he will find the cylinder bore egged. Engine still runs great. All I want to do is replace the seals.


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Replacing the seals is cheap, doing a top end isn't. At 10K miles, unless you are banging off the rev limiter all the time I seriously doubt you need to do a top end.
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Old 04-07-2013, 07:07 AM   #75524
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Quote:
Originally Posted by dutch97501 View Post
So Ive had a DR650 for a few years now. I put a RM250 front end on it and had the shock redone. Bigger tank and wolfman luggage and a concept seat. The only mod I havent done is a pumper carb. I live about 20 miles from Jessi at kientech and he has new pumper carbs in stock. The bike runs great and will handle most of what I throw at it. I miss the snap that a dual overhead cam motor has to offer. Would a pumper carb over come this or would I be better off with a more modern bike?
I did the pumper and full header before installing a H/C piston and stage 1 cam......I thought the first mods made a dramatic improvement in every regard, including a slight improvement in MPG......the 2nd level mods made another nice improvement, and MPG has been incredible (about 52 MPG running the piss out of it)
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Old 04-07-2013, 07:14 AM   #75525
Rusty Rocket
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Quote:
Originally Posted by lonewolf97 View Post
I have a question. Pretty sure my problem is old valve seals.
My 97 dr650 with 10,000 miles is blowing oil smoke on start up after sitting a day or so. Stops after a few minutes.
Mech wants to do a top end rebuild. Says he will find the cylinder bore egged. Engine still runs great. All I want to do is replace the seals.


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My '96 w/ 20K miles on it does the same thing. I've made peace with the fact. I just run it. I figure throwing money at a 17 year old bike that only has a liitle ache first thing in the morning isn't really worth doing.

I figure if it gets bad enough, I can buy a low mileage 2005 for $3000 and put my suspension, skidplate and seat on it and sell the old one for $1500 and never loose a days riding.
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