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Old 11-09-2011, 01:05 PM   #56596
ag_streak
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Location: At the pointy ends of the bell curve (33702)
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Originally Posted by Krusty ... View Post
He doesn't jest. And don't call him Shirley...
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Old 11-09-2011, 01:06 PM   #56597
surplustravis
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hey

Hey guys not trying to but in on anything ,, but just lettin ya know i have a stock dr650 seat and a factory gel seat for sale as well as a factory exhaust. Its in the for sale section,, thanx
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Old 11-09-2011, 01:10 PM   #56598
ER70S-2
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Quote:
Originally Posted by Stringer99 View Post
Is there any way to confirm visually (while bike is assembled) if you have a paper base gasket or a metal base gasket
Yes there is. Look up under the bottom cylinder fin on the right front 'corner' of the motor. This is an '04 steel gasket, I don't have a clue what the paper one looks like (does this tab exist on the paper gasket?).

Look for this:

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Originally Posted by Threewheelbonnie View Post
"BTW, I don't do style. It's a dirt bike, not some girlie dress-up thing." -

ER70S-2 screwed with this post 11-09-2011 at 09:57 PM
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Old 11-09-2011, 01:19 PM   #56599
procycle
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Quote:
Originally Posted by ER70S-2 View Post
Yes there is. Look up under the bottom cylinder fin on the right front 'corner' of the motor. This is an '04 steel gasket, I don't have a clue what the paper one looks like (does this tab exist on the paper gasket?).
The paper gasket does not have a tab.
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Old 11-09-2011, 01:24 PM   #56600
ER70S-2
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Quote:
Originally Posted by procycle View Post
The paper gasket does not have a tab.
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Quote:
Originally Posted by Threewheelbonnie View Post
"BTW, I don't do style. It's a dirt bike, not some girlie dress-up thing." -
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Old 11-09-2011, 01:40 PM   #56601
bross
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Location: Osoyoos, BC
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Quote:
Originally Posted by shu View Post
I'm not as sure of this as the rest of you. I went 40,000 miles without any damage to the upper chain roller.

I finally removed it and replaced it with a set screw because A FEW OF YOU have had problems and I didn't want to tempt fate, but I'm not convinced that it happens all that often. Chain tension, wheelies and big jumps might make a difference here.

(I can see the flood of responses coming now )

..............shu
I still have mine as well. Here's one for the opposing view...

http://www.topgunmotorcycles.com/cp_...e/cpnov06.html
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Old 11-09-2011, 01:45 PM   #56602
motolab
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Quote:
Originally Posted by c2c4c View Post
Pulls hard but has that off idle bog and low speed surging. Screw 2.5 turns out. What should I play with the dial it in? Needle position? Main jet? Pilot jet? Fuel screw?
During what throttle position(s) (1/16, 1/8, or 1/4 opening) does the bog and low speed surging occur?

Regards,

Derek
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Old 11-09-2011, 01:50 PM   #56603
Stringer99
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Question

thanks guys. looks like i have a paper gasket :( and my head gasket is leaking ...

debating a JE high comp piston vs just gasket replacement. is it advisable/worth it to run the JE without a new cam? Can a newb install it, including the cylinder wall deglaze? And finally, what is the process to remove old gasket material without damage?
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Old 11-09-2011, 01:59 PM   #56604
alansz400
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Red hot header

I was riding home last night after dark and looked at my header after going up a long hill it was glowing red. Has anyone else ever noticed theres doing that? Alan
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Old 11-09-2011, 02:01 PM   #56605
NordieBoy
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Quote:
Originally Posted by Fire Escape View Post
Short version is that if your chain tension isn't loose enough you can rip the upper chain roller and it's mounting point where it is attached to the frame right off the bike. If you remove it, your chain doesn't need to be adjusted as loose, which makes it one of those 'Catch 22' (does anyone still remember what that meant?) things.
As in all things DR, opinions vary and anecdotal evidence is always considered 'proof'. I took mine off. YMMV, enjoy the new toy!
Looseness of chain does not matter.
Under drive, the top of the chain is under tension no matter how loose the chain.

I've got one DR without a roller by choice as I kept hearing the chain hit it, and one DR without a roller and with a hole in the frame.
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Old 11-09-2011, 02:04 PM   #56606
Stringer99
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Quote:
Originally Posted by alansz400 View Post
I was riding home last night after dark and looked at my header after going up a long hill it was glowing red. Has anyone else ever noticed theres doing that? Alan
ive read about that before. seems normal.
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Old 11-09-2011, 02:10 PM   #56607
NordieBoy
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Quote:
Originally Posted by vintagespeed View Post
now i realize that i'm not a parts re-seller so my experience is given without any agenda....but yeah, bike runs great, no bog, no issues, pulls like a freight train.

i can't believe you would argue that a +2.5 change (very small) in pilot jet would be too rich, but using the DJ ultra-thin needle is fine.

the pilot jet change pales in comparison to the amount of fuel added by the DJ jet needle.

The DJ needle is fine.

Going to a larger pilot jet, I also had to go to a larger pilot-air jet to keep the a/f right...
Attached Images
 
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Old 11-09-2011, 02:28 PM   #56608
BergDonk
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Location: Snowy Mountains Oz
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Quote:
Originally Posted by NordieBoy View Post
Looseness of chain does not matter.
Under drive, the top of the chain is under tension no matter how loose the chain.

I've got one DR without a roller by choice as I kept hearing the chain hit it, and one DR without a roller and with a hole in the frame.
Mine went too. I thought if I keep the chain adjusted properly, it would be fine, but after a run in the mountains and some jumping over water bars, not there when I got home.

I still prefer that its there, so reinforced and repositioned forward and up a bit, and 20,000 kms its still there.



You can also see the chain guard is cracked. Same problem, both exacerbated by the 46 t sprocket.

Steve
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Old 11-09-2011, 03:17 PM   #56609
Rumlover
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Quote:
Originally Posted by shu View Post


........shu
shu,
You know I was kidding (with my "surely you jest" comment) -- right?
I have always appreciated your input and found it very helpful.
The internet is not the greatest sometimes (at least for me) for getting across what I mean.
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Old 11-09-2011, 03:30 PM   #56610
motolab
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Quote:
Originally Posted by NordieBoy View Post
The DJ needle is fine.

Going to a larger pilot jet, I also had to go to a larger pilot-air jet to keep the a/f right...
The graph you posted looks like it's from wide open throttle runs, correct? If so, how does it pertain to the pilot jet and pilot air bleed sizes, which affect predominantly 1/16 to 1/8 throttle openings?

Regards,

Derek
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