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Old 05-17-2013, 11:04 PM   #76801
motolab
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Quote:
Originally Posted by eakins View Post
Motolab Derek, I think what people are saying here is they are real happy with the performance that the extra hole in the slide gives them (as well as a shimmed needle).
Fine by me.
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Yes it's not perfect, nor is the world. & Yes it may wear out the slide and guide quicker over it's life, but that trade off is worth it for more fun on the bike...isn't that why we ride for fun???
I'm convinced that more fun can be had without having to wear out the parts quicker.
Quote:
It's a cheap mod and working very well for alot of us.
The problem is that "working very well" is in this case highly subjective. I'm interested in facts.
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No one likes to be told they're wrong when it's working for them.
Does the desire to not be wrong override the desire to know the truth?
Quote:
If someone wants to use a DJ needle so be it.
Absolutely, but don't people want to make educated choices?
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Since you're in the biz to sell these parts, maybe a better approach is just say enjoy how it runs and maybe check in with me when your mileage gets up there for a carb refresh as it will help get back the original running feeling you love.
Your suggestion implies that if I know that certain preventable circumstances accelerate wear, I should not warn anyone about them so that I can sell more parts. It also implies that if I think that there is a simple (or otherwise for that matter) way to make an engine run better, I should not say so for fear of ruffling feathers. Please consider the broader implications.
Quote:
Your current approach seems to be alienating many who might need to buy your parts but don't want to deal with you now.
I was brought up to tell the truth. If that means I don't sell another motorcycle part, then so be it.
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Pick your battles and know when to let them go.
I don't relate to this as warfare.
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You really do offer a great supply of BST parts for the DR community and we appreciate it.
You're welcome!

Regards,

Derek
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Old 05-17-2013, 11:10 PM   #76802
joexr
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.Does the desire to not be wrong override the desire to know the truth? Regards,

Derek[/QUOTE]
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Old 05-17-2013, 11:21 PM   #76803
Rainier_runner
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Anybody watch the "Big Bang Theory"? Cuz Derek reminds me of the most awesome and epic Sheldon Cooper.

Derek, please take this in the fun spirited intention in which its meant. I greatly appreciate your knowledge and insight. Its simply the matter of fact and positive delivery in which you give your information.
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Old 05-18-2013, 12:27 AM   #76804
eakins
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Originally Posted by 8gv View Post
Thinking small is a good idea. I had the pilot jet out and blasted it with carb cleaner. I could see through it. The common thing in all three that I've ridden is a period of disuse. Maybe I need to treat the carb to a few overnights at the Pinesol motel.
make sure to pull out the main and pilot jet, verify the hole is clear on both and soak them too.
I also pull out the pilot screw assy.
pinesol works very well as a slow and steady cleaner.
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eakins screwed with this post 05-18-2013 at 12:34 AM
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Old 05-18-2013, 10:05 AM   #76805
TUCKERS
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Originally Posted by TUCKERS View Post
Today installed Acerbis tank (2 taps), Deluxe air screw, GSXR can and big mid-pipe, K&N air filter.

It ran good before.

Now it runs like crap.

Stutters and bangs and flames at full revs

Shoots FLAMES out the exhaust

Pops and bangs on decell. Flames shoot out and it sounds like a big gun going off. BAM! BAM!

What do I do next?

All stock before.
After I put on mid pipe and can it ran good. So I must narrow it down to carb/air cleaner/smog equip.

I cleaned out Acerbis with gasoline.
I removed carb and took out fuel screw and spring and O ring. replaced with Deluxe fuel screw/spring/flat washer/O ring. two and a half turns out to start.
I removed smog equipment and put a cap on bottom and top of carb.
I took out OEM air filter and replaced with K&N.
No air box mod, no cutting. Snorkel intact.
Ran good before carb/air filter work.

I wonder if I pinched rubber boot on intake tract, or fuel screw is bogus. I'll replace fuel screw with original and see if that changes anything.
Anyone else got ideas or this happened to you?
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Old 05-18-2013, 10:15 AM   #76806
TUCKERS
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Quote:
Originally Posted by ER70S-2 View Post
Did you open the airbox? If so you're really lean. If not, it should run reasonably well without jetting changes. At 6,000 feet mine jumped in performance when I added the GSXR, without jetting changes (snorkel out).

I'm thinking you're quite lean, the DR runs pretty well when way too rich, the gas mileage just plummets.

I don't know much about the K&N but if it's over oiled I think the air flow chokes.
No oil on a K&N
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Old 05-18-2013, 10:37 AM   #76807
Adv Grifter
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Quote:
Originally Posted by TUCKERS View Post
After I put on mid pipe and can it ran good. So I must narrow it down to carb/air cleaner/smog equip.

I cleaned out Acerbis with gasoline.
I removed carb and took out fuel screw and spring and O ring. replaced with Deluxe fuel screw/spring/flat washer/O ring. two and a half turns out to start.
I removed smog equipment and put a cap on bottom and top of carb.
I took out OEM air filter and replaced with K&N.
No air box mod, no cutting. Snorkel intact.
Ran good before carb/air filter work.

I wonder if I pinched rubber boot on intake tract, or fuel screw is bogus. I'll replace fuel screw with original and see if that changes anything.
Anyone else got ideas or this happened to you?
Hey James,
Sounds like you've got a lot of this covered.
The stock Fuel screw has: Washer, O ring, Spring. I used the stock items on my extended fuel screw. It worked fine. (Ty Davis fuel screw)

Make sure the cap on the Carb Vacuum fitting is TIGHT and not leaking. I put a tiny hose clamp on mine to seal it off.

Good idea to go back to stock Fuel Screw. Can't hurt!
If still running poorly, try removing Snorkel ... just for laughs.

Good luck!
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Old 05-18-2013, 10:50 AM   #76808
TUCKERS
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H'mmm?

I'm going to have to take out the fuel screw and have another look.

New one came with spring/washer/O ring.

I took out old screw and spring, but I'm not sure I go the old O ring and washer now if there was one.
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Old 05-18-2013, 11:01 AM   #76809
Mongle
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Originally Posted by TUCKERS View Post
No oil on a K&N

Are you saying don't use motor oil or no oil? Cause, last time I checked KN uses oil. They advise using their oil but I doubt it makes a difference.

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Old 05-18-2013, 11:15 AM   #76810
TUCKERS
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No. Didn't put any oil on the purple filter!


More on Carl's Million Mile Truck Here! The Importance of Oil
A K&N Air Filter is made of 4 to 6 layers of cotton gauze sandwiched between two epoxy-coated aluminum wire screens. The cotton is treated with a specially formulated grade of oil causing tackiness throughout the cotton’s microscopic strands. The nature of the cotton allows high volumes of airflow, and when combined with the tackiness of the oil creates a powerful filtering media that ensures engine protection. In contrast, most other media can not maintain the same balance of airflow and filtration throughout the filter's life without sacrificing one or the other. With a K&N Air Filter, there is no sacrifice.

I was under the impression you only oil them after cleaning, they come pre-oiled.
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Old 05-18-2013, 11:20 AM   #76811
ER70S-2
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Quote:
Originally Posted by Adv Grifter View Post
Hey James,
Sounds like you've got a lot of this covered.
The stock Fuel screw has: Washer, O ring, Spring. I used the stock items on my extended fuel screw. It worked fine. (Ty Davis fuel screw)

Good luck!
No. How do I know? I spent all summer chasing a stumble at idle. I had the o-ring between the spring and washer. It's spring, washer, o-ring. Think about that o-ring getting chewed up by the end of the spring.

Quote:
Originally Posted by Mongle View Post
Are you saying don't use motor oil or no oil? Cause, last time I checked KN uses oil. They advise using their oil but I doubt it makes a difference.

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Old 05-18-2013, 11:21 AM   #76812
joexr
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Quote:
Originally Posted by TUCKERS View Post
No. Didn't put any oil on the purple filter!
If your filter looks like it has a red or pink tint , it's been pre-oiled. K&Ns ARE supposed to be oiled with AIR_FILTER oil.
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Old 05-18-2013, 11:30 AM   #76813
TUCKERS
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Quote:
Originally Posted by joexr View Post
If your filter looks like it has a red or pink tint , it's been pre-oiled. K&Ns ARE supposed to be oiled with AIR_FILTER oil.

Yep red/pink or purple....it's pre-oiled. I just installed it as is.

Air screw is Screw/spring/washer/O ring. I installed it like this with O ring on bottom of course.

I'm thinking the air screw is messed up or I pinched the intake rubber.

I just did all of this to our other DR and it runs great, does pop a tad on de-cell but not bothersome.

Slow breakfast, emails, ADV, and then out to take a look.

I just wondered if I overlooked something obvious, or it's a common problem. I must have done something wrong
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TUCKERS screwed with this post 05-18-2013 at 11:36 AM
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Old 05-18-2013, 12:14 PM   #76814
joexr
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Originally Posted by TUCKERS View Post
Yep red/pink or purple....it's pre-oiled. I just installed it as is.

Air screw is Screw/spring/washer/O ring. I installed it like this with O ring on bottom of course.

I'm thinking the air screw is messed up or I pinched the intake rubber.

I just did all of this to our other DR and it runs great, does pop a tad on de-cell but not bothersome.

Slow breakfast, emails, ADV, and then out to take a look.

I just wondered if I overlooked something obvious, or it's a common problem. I must have done something wrong
Try it with the new screw and old filter. I think your lean , due to both the pipe and filter. Rejet time.
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Old 05-18-2013, 12:54 PM   #76815
TUCKERS
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Location: Villa Maria Sanitarium, Claremont, CA.
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Quote:
Originally Posted by joexr View Post
Try it with the new screw and old filter. I think your lean , due to both the pipe and filter. Rejet time.

Got it!

Milano Bambino phoned me and told me to pull the fuel screw, I did

it had the old washer and O ring sitting on top of the new one

Put the new one back in, turned it out one full turn, started it up, purrs like a kitten!

So, when you think you know what you are doing shit still happens . I ought to know better. Now I'M BECOMING AN EXPERT

We have two DR's. I am doing most every mod twice. Prepping them for long distance good road surface travel. Tierra Del Fuego is the dream!

Flipped both to Factory lowered
Done both air filters/fuel screws
Two Acerbis tanks (2 taps)
Two mid pipes/2 GSXR 750 cans
Two front sprocket retainer
Two 16T fronts
Two neutral safety switch mod
Two sets side case protectors
Dozens of Stainless Socket head Allens
Two shortened side stands

Looking for recommendations on skid plates

Still not decided on luggage. Have left over TT top boxes but no sides yet.

Also thinking about Dash Boards. May move the IGN, idiot lights and remove Speedo and use GPS. Can barely see the idiot lights and IGN is a pain to use with gloves on.

Done one HDB handguards but not overly impressed. May just do Acerbis on the other.

Thinking about higher Fatbars.

Oh, got two National Cycle windshield.

Vendors gotta love me!
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