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Old 05-08-2013, 08:36 AM   #76426
Mongle
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Quote:
Originally Posted by Bronco638 View Post
The forks have been lowered per the shop manual.
I think you answered your own question.
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Old 05-08-2013, 08:44 AM   #76427
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Quote:
Originally Posted by kbuckey View Post
For what it's worth, my experience was I was pretty happy with the stock setup. IWeighed aobut 165. I did put on a fork brace which I think improves feel on the street. I then tried the Intiminators, which improved the forks, but made the rear feel wimpy. So I got a Wilburs, and it has a slightly stiffer spring as well.

Ooh, that felt good, but now my forks seemed a little soft. I know the Intiminator guy said not to do stiffer springs. Anyway, with stiffer springs all is good. I actually lost some weight myself (155) and with a bare bike it's just a little firm, but loaded down for trips it is just about perfect.

Oh, I, too, ride like the old man that I am.....

I haven't been 155 lbs since I was 15.

At 220 lbs the stock springs weren't going to make it. I put a 8.6 (I think) in the back. It is a little stiffer then I like but when I carry 70 lbs of gear it comes out right. I do have to do something about the whole rebound thing. Bucking bronco comes to mind. I was running about 30-40 mph down a dirt road and hit a washout area about 1.5ft deep. I didn't see it because I was looking at the cow hiding in the bushes waiting to jump out in front of me. I now realize he just liked watching that part of the road for the mayhem. I'm not sure how but the backend came up higher then the front end and I rode the front wheel probably 30 ft before things settled down. It was another 10 minutes before I settled down....
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Old 05-08-2013, 09:47 AM   #76428
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Quote:
Originally Posted by ER70S-2 View Post
Care to comment on the initial sag feeling so soft? Are other bikes similar? (I won't repeat the myth)
The stock setup certainly feels that way. I think 3 factors contribute to that feeling.

Stock spring rate too soft
Too much sag with the factory settings
Way early contact with the bottoming bumper

I just took a bottoming bumper survey of the motorcycles hanging around here and in comparison the DR bottoming bumper is gigantic. My V-Strom bumper is about 1/3 the length. KTM200 and WR250R bumpers are about 2/3 as long but smaller diameter. The KTM990 bumper is about 1/2 the size.

Suzuki is obviously using the bumper as a major factor in suspension control rather then just using it to soften the jolt of bottoming out.

edit: I also posted this over in the DRriders thread as it's more pertinent to the discussion there.
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Old 05-08-2013, 11:23 AM   #76429
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The first time I was on a gravel road with washboard I knew the stock suspension was going to put me in a ditch with what I consider normal riding style.[/QUOTE]

Gravel washboard, any kind of whoop plus brake dive on pavement set me on the upgrade path. Emulators and stiffer springs up front helped a lot. Garden chores have delayed installment of my Ohlin with 7.5 spring which I expect will be sufficient for my old man pace. If that doesn't eliminate the high speed wobbles (+55mph) on washboard then I'll consider a steering damper
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Old 05-08-2013, 12:32 PM   #76430
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Quote:
Originally Posted by procycle View Post
The stock setup certainly feels that way. I think 3 factors contribute to that feeling.

Stock spring rate too soft
Too much sag with the factory settings
Way early contact with the bottoming bumper

I just took a bottoming bumper survey of the motorcycles hanging around here and in comparison the DR bottoming bumper is gigantic. My V-Strom bumper is about 1/3 the length. KTM200 and WR250R bumpers are about 2/3 as long but smaller diameter. The KTM990 bumper is about 1/2 the size.

Suzuki is obviously using the bumper as a major factor in suspension control rather then just using it to soften the jolt of bottoming out.

edit: I also posted this over in the DRriders thread as it's more pertinent to the discussion there.
I can live with that, thanks.

Bronco638:
Your answers are in Procycle's link. Looks like Suzuki is doing a little overenthusiactic marketing. Per Jeff's measurements, even if the shock bumper is squished down to 0mm thick, we can only get 10.24" of rear wheel travel.

For those interested in the numbers, Jeff included some useful information in his link.
http://drriders.com/topic8180.html
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Old 05-08-2013, 01:10 PM   #76431
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i had good luck using needle nose vise grips, the real vise grip brand ... heated with a heat gun, used blaster penetrating spray .... lots of it ... let it sit, heat and repeat ... they do crack a bit when they come loose, but they will come loose .... they throw them away and get stainless hex head bolts ... use some anti seize mixed with water proof grease, just a bit will do ...
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Old 05-08-2013, 01:37 PM   #76432
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Fork Springs question: I weigh 185 pounds.

For the cheap route - because I want to try it after having bought aftermarket fork springs for my last bike, then really thinking about it, their already shorter length, and why i jsut paid that much $ for a bike I wasn't going to race...

So how much should I cut off of the stock fork springs to give me and a usually unloaded bike the 'right' ride to avoid the brake dive and dives into corners? And if they're progressive, which end would you cut them from?
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Old 05-08-2013, 01:55 PM   #76433
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Quote:
Originally Posted by Mambo Dave View Post
Fork Springs question: I weigh 185 pounds.

For the cheap route - because I want to try it after having bought aftermarket fork springs for my last bike, then really thinking about it, their already shorter length, and why i jsut paid that much $ for a bike I wasn't going to race...

So how much should I cut off of the stock fork springs to give me and a usually unloaded bike the 'right' ride to avoid the brake dive and dives into corners? And if they're progressive, which end would you cut them from?
First, you need to figure out how much "space" there is in the spring. Measure the total length. Then find the diameter of the wire. Multiply the wire diameter times the number of coils. subtract that from the total length. This tells you how far the spring can travel without closing up completely. You don't want to have less space than travel. Ever. for stock DR forks, you need 10.2" of space in your spring. Increase that for any pre-load you add.
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Old 05-08-2013, 02:06 PM   #76434
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Quote:
Originally Posted by Mongle
I think you answered your own question.
No, 10.2" is the amount of suspension travel in stock form. 8.7" is the amount of travel after the suspension has been lowered (per the Shop Manual). So, I'm wondering how I got to 6.5" as measured from the tire to the front fender mounting bolts. It would seem I'm 'missing' 2" of travel.
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Old 05-08-2013, 02:10 PM   #76435
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Maybe I'm way off, but I didn't think that 10.2 was the amount of compression or distance from the tire to anything.
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Old 05-08-2013, 02:16 PM   #76436
JagLite
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Question Chain guide issue

Quote:
Originally Posted by inroads View Post
Anyone try one of these from Pro-Cycle? I am having the chain rub on it with the supplied hardware.
Hey Inroads,
Were you able to resolve the chain rub issue?
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Old 05-08-2013, 02:26 PM   #76437
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All this reason suspension travel talk is great.

I need to fine tune my rear race sag on my bike. I think my preload is too high.
How much total rear travel are we now all using as a baseline? and this how much race sag should i be looking to see? still 25% of total travel?

Per Cogent & my redone shock, I do believe I have the correct spring rate for my weight so after I set my race sag correctly, my static sag should be spot on.

Is there an upgrade piece available for the stock 2-piece rear preload adjusters? They suck adjusting just whacking the carp outta them to move them. I've seen better solutions on other shocks.

Thnx, Bill
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eakins screwed with this post 05-08-2013 at 02:31 PM
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Old 05-08-2013, 02:35 PM   #76438
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Quote:
Originally Posted by acesandeights
Maybe I'm way off, but I didn't think that 10.2 was the amount of compression or distance from the tire to anything.
Maybe I got (very) confused but this is what I was reading and trying to decipher:
Quote:
Originally Posted by poppawheelie
I know rider sag should be about 3" since the DR has 9" of travel (rear). What should it be with the link set on the lower setting? Does the bike still have 9" of travel? I doubt it.
OK, if the question was asked before, I pre-apologize, but I couldn't find it.
Quote:
Originally Posted by ER70S-2
The travel changes from 10.2" to 8.7" front and rear.
At this point I'm thinking I need to measure my suspension travel.
Quote:
Originally Posted by poppawheelie
Front end is fine. I did Eibach Springs and Gold Valves last year. Just got the shock back from Cogent and wanted to set it up right. Got to thinking, I'm running the low setting so travel will be less.
oops There it is right in the Owners Manual, 8.7 " travel in the low setting. Regular is 10.2, not 9. I only go 170 lbs, but with rider sag set at just 2", I've got way too much static sag at 1 3/4." Should have gotten the next step up in a spring. Thanks everyone for advice. More?
So, I am totally lost here? Should there be 8.7" of travel, as measured between the top of the tire and the fender (front & rear)?
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Old 05-08-2013, 02:52 PM   #76439
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Quote:
Originally Posted by rwroblin View Post
i had good luck using needle nose vise grips, the real vise grip brand ... heated with a heat gun, used blaster penetrating spray .... lots of it ... let it sit, heat and repeat ... they do crack a bit when they come loose, but they will come loose .... they throw them away and get stainless hex head bolts ... use some anti seize mixed with water proof grease, just a bit will do ...
Careful work with an IMPACT DRIVER is MUCH easier. Hold Carb gently in vise (using wood blocks). Piece of cake. (Use a JIS bit in your Impact driver)

I've done 3 BST Carbs this way. All good, done is less than 5 minutes.
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Old 05-08-2013, 02:56 PM   #76440
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Name that tune

While I am tearing the bike apart. I have found other leaky gaskets.
What is this little rubber square gasket called? it has wires coming out of it.

http://www.flickr.com/photos/brewbike/8717795661/
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