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Old 05-29-2012, 02:12 AM   #65071
DockingPilot
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thanks for all the feedback fellas.
the cables are routed correctly and the throttle snaps back as it should. its just after the eighth hour or so in the saddle i really start to notice it. the last 60 miles home was slab and just holding the throttle open for a good hour was wearing me down. even though i dont like them i would have done almost anythingfor a throttle rocker at that point.
guess i better start squeezing a tennis ball in my spare time. lol

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Old 05-29-2012, 02:58 AM   #65072
HairyBeardNQ
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Location: North Queensland
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Staintune Exhaust

Hi All,

I am super keen to chuck a staintune pipe on my DR650, does anybody know how hard they are to fit yourself? I reckon that it would be pretty straightforward, but I have been told that the jetting needs to be adjusted once the pipe has been fitted.

If I get the system, should I be able to remove the old one and install the new one myself and then should I take it to somebody to get the jets adjusted? It is a 2011 model bike so (apart from heaps of scratches from me smashing myself around on it - but loving it) it is in good condition. Just hate the hairdryer note of the exhaust! I want to hear it!

Any help or advice would be much appreciated.
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Old 05-29-2012, 05:51 AM   #65073
AllAroundAus
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Location: Townsville, Australia - North east coast.
Oddometer: 80
Staintune Eshaust

Yeah, if you know which end of a screwdriver to use, you should be pretty right to fit the staintune.
I bought my pipe from VSM and the new jets came with it. I don't know if they came from Stain tune or from Vince (VSM) himself.
I would recommend you look at getting your pipe from Vince. Changing a jet is a simple operation too. If you don't have a workshop manual, I would recommend you get one. The more things you do on your bike yourself the better off you are if you are out trailriding and something goes wrong. What I found great about buying gear from Vince is that he was always helpful if I needed to phone for help.
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Old 05-29-2012, 07:23 AM   #65074
kobukan
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Location: Saco ME
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Quote:
Originally Posted by DockingPilot View Post
thanks for all the feedback fellas.
the cables are routed correctly and the throttle snaps back as it should. its just after the eighth hour or so in the saddle i really start to notice it. the last 60 miles home was slab and just holding the throttle open for a good hour was wearing me down. even though i dont like them i would have done almost anythingfor a throttle rocker at that point.
guess i better start squeezing a tennis ball in my spare time. lol

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I think it's just the nature of the beast. I don't have a TM40, but the throttle pull on the TM33 pumper on my DR350 is significantly stiffer than any of my other bikes (yes, the cables are in good condition and operating freely - everything is working as it should). I've read others complaining about the stiffness of the TM40 throttle, and I was hoping someone would have an answer for modifying it. If I ever decide to get a TM40 I will not be looking forward to the stiff throttle, in fact it's the one thing that deters me from getting one. I haven't tried to figure it out, but I have to believe there's a way to swap the spring to make it a little more user friendly.
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Old 05-29-2012, 07:50 AM   #65075
sagedrifter
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Location: Jacksonville, Alabama
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I heard the same thing from FJR riders saying the throttle was soon stiff. I just kept riding and my muscles did the rest. It's not that stiff, my KTM was a bit lighter since it had a bst. It actually felt sloppy coming off a TM40 DR...

Cramp buster makes all kinds of rests, some very small and wide, some that come off easy. Sometimes its nice to ride open handed while resting your fingers.

The TM40 has the more to move so its always going to be slightly stiffer.


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Old 05-29-2012, 09:13 AM   #65076
canuckAME
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Location: Thunder Bay Ontario Canada
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I just finished the TM40 install. The cable routing makes a big difference in how the throttle will snap back. Even the way they run together can change things at full handlebar lock. Play around with it and use lots of ty-raps to hold them in the proper position.
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Old 05-29-2012, 09:21 AM   #65077
procycle
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Location: Center of the DR650 universe
Oddometer: 2,203
Quote:
Originally Posted by John E View Post
Would I be risking life and limb if I drilled a 8mm hole thru the swingarm and then ran a steel bolt thru it?
Making an attachment for my new and improved trail jack and I'd like to mount it near the rear axle.
8mm bolt, retaining nuts on both sides, tightened down with nylock nuts.
The proper way to do this would be to take the swingarm off, drill a larger hole, insert a piece of aluminum tube and weld it to the swingarm on both ends. Done the way you won't compromise the strength of the swingarm. The insert could be internally threaded to eliminate the need for an additional nut.
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Old 05-29-2012, 09:33 AM   #65078
local1
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Location: Athens,Tennessee
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Quote:
Originally Posted by Adv Grifter View Post
Rot Row! Was there water in there too?
Probably the Carb Float needle is leaking, allowing fuel to migrate into crankcase. Not good. Good reason to shut off fuel after riding.
What year is your bike?
Do NOT attempt to start bike. No idea what sort of damage this could have caused. Drain everything, let dry until ALL fuel (and water?) has evaporated.

Pull carb, clean and rebuild. The Clutch may be ruined if it sat in fuel or water. Replace. The DR uses a Stator (like a generator) and it lives in Hot oil. But fuel? Might have ruined it, dunno. Looks like a big job. Oil in air box is not unusual and not serious. Someone probably overfilled the bike with oil. The main crankcase vent will pump excess oil into air box. Just clean it up and learn to check oil. You may get lucky ... but no guarantees.
I didnt see any water so maybe i will get lucky?? i can only hope at this point..thank you for the fast reply,this good buy i got is going to make me old before my time...the older i get the more i believe that you really get what you pay for.
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Old 05-29-2012, 09:46 AM   #65079
Motodeficient
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I thought that TM40 throttle pull was pretty stiff when I installed it last summer. I am used to it now I guess because I do not notice it anymore.
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Old 05-29-2012, 09:52 AM   #65080
local1
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Location: Athens,Tennessee
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Quote:
Originally Posted by ER70S-2 View Post
Now that Grifter has given you the worse case scenario, I'll give you another possibility.

Edit: If your fuel tank was already bone dry, what I say below doesn't matter, it probably is gas leaked down into the engine.

Define "at least half a gallon of gas/oil behind the cover". If it was truly a gas/oil mix, Grifter is right. But if it was just oil, there's nothing wrong. The 'generator and things in there' are supposed to be in crankcase oil, contrary to what one would think is ok to do with wiring and stuff.

If the bike has a stock petcock (see pics), the chances are at least 'fair' that fuel didn't leak down into the engine (unless the lever was left pointing straight down like the second pic, then it is gas/oil). Simple check: if there is still fuel in the tank, turn the petcock to RES (first pic), remove the larger fuel line from the petcock, gas should NOT flow. (it shouldn't leak in the ON position either) If it dribbles or leaks, you and Grifter are right, your engine is full of a gas/oil mix.

Nothing is wrong with an oily airbox for the reason given by Grifter.

Gas leaking into the crankcase doesn't kill the motor, what you do/did next is important. Tell us what you find, inquiring minds want to know.



i didnt do anything other then let it drain.i only had a couple tools with me,actually just enough to loosen the cover.
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Old 05-29-2012, 11:29 AM   #65081
Adv Grifter
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Quote:
Originally Posted by Motodeficient View Post
I thought that TM40 throttle pull was pretty stiff when I installed it last summer. I am used to it now I guess because I do not notice it anymore.
As I mentioned, I only spent an hour riding the TM40 equipped DR650.
I probably could have adapted but I just thought it was wrong ... and I knew riding it off road would wear on me over time/miles.

FIX?
Couldn't the return spring be swapped out for a lighter one? I've had two bikes with Keihin FCR carbs ... both light, easy throttles.

Also interesting to note that before F.I. came along ALL the Japanese motocross bikes ... and all KTM ... used the Keihin FCR carbs ... not the Mikuni TM40. In fact, I can't recall any OEM using the TM40 in years.

Wonder why?
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Old 05-29-2012, 12:03 PM   #65082
Mongle
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Location: North Carolina Y'all
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Quote:
Originally Posted by DockingPilot View Post
thanks for all the feedback fellas.
the cables are routed correctly and the throttle snaps back as it should. its just after the eighth hour or so in the saddle i really start to notice it. the last 60 miles home was slab and just holding the throttle open for a good hour was wearing me down. even though i dont like them i would have done almost anythingfor a throttle rocker at that point.
guess i better start squeezing a tennis ball in my spare time. lol

Sent from my SCH-I800 using Tapatalk 2

Having broke my right wrist being dumb as a chump, all day rides give me wrist pain. I bought something like this. Mine has velcro on it so I could get it on and off with the bark busters. Works great for the long slab rides and comes right off when you get in the trails.

(this isn't a pic of mine...just found it on the interweb to give you an idea)


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Old 05-29-2012, 12:17 PM   #65083
Tech23
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Quote:
Originally Posted by Adv Grifter View Post
As I mentioned, I only spent an hour riding the TM40 equipped DR650.
I probably could have adapted but I just thought it was wrong ... and I knew riding it off road would wear on me over time/miles.

FIX?
Couldn't the return spring be swapped out for a lighter one? I've had two bikes with Keihin FCR carbs ... both light, easy throttles.

Also interesting to note that before F.I. came along ALL the Japanese motocross bikes ... and all KTM ... used the Keihin FCR carbs ... not the Mikuni TM40. In fact, I can't recall any OEM using the TM40 in years.

Wonder why?

You answered your own question in your post. All the motocross race bikes do come with the FCR. These bikes are high revving race bikes, the DR isn't. They also benefit from the additional adjustability because these bikes compete at tracks all around the country at different elevations and different soil/sand compositions. The FCR is a great carb no doubt just kind of overkill for the DR. You can use an atomic bomb to kill a fly...but you know a fly swatter will work just as well.

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Old 05-29-2012, 12:53 PM   #65084
KaaJa
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Tm40 throtle returning spring is adjustable, take closer look and you will notice it. There are at least three different positions.
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Old 05-29-2012, 01:04 PM   #65085
Motodeficient
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I asked procycle about that, they said they ship with the lightest throttle pull already enabled.
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