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Old 04-18-2013, 12:51 AM   #181
Al-X
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Man!!! I wish I could do stuff like that!! Looks piele Phil! and it will never crack after that again!


ps: Go ask a south african neighbour what "piele" means!!
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Old 04-24-2013, 08:38 PM   #182
Phreaky Phil OP
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Been playing around with the frame and spent time figuring out why it has cracked. And here folks is the reason why it has cracked.

There is a gap, roughly half a millimeter, between the frame and the swingarm outer seal when the swingarm bolt is loose. When you tighten the bolt up, the gap disappears pulling the frame inwards.
You can see the crack open up as you tighten the bolt. That gap needs to be shimmed to stop that stress being loaded into that point when the swingarm is tightened.

The crack with the swingarm loose



The crack with the bolt tight.
Its a bit hard to see in the photo.

Phreaky Phil screwed with this post 04-24-2013 at 08:45 PM
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Old 04-24-2013, 11:00 PM   #183
Night Falcon
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Nice detective work Phil
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Old 04-24-2013, 11:07 PM   #184
BergDonk
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Interesting.

When I pull the swingarm out of mine I have to back off the engine mount to make some space and make it easy to remove and replace. Production tolerances?
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Old 04-25-2013, 12:32 AM   #185
Phreaky Phil OP
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Originally Posted by BergDonk View Post
Interesting.

When I pull the swingarm out of mine I have to back off the engine mount to make some space and make it easy to remove and replace. Production tolerances?
Production tolerances ! More like intolerances Much like Lactose intolerance, it's giving me the shits !!
I've spotted another fine hairline crack running from the crack at the front point on the frame. I'm beginning to wonder whether I need another frame.
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Old 06-05-2013, 12:38 AM   #186
Micawberism
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Quote:
Originally Posted by Phreaky Phil View Post
Production tolerances ! More like intolerances Much like Lactose intolerance, it's giving me the shits !!
I've spotted another fine hairline crack running from the crack at the front point on the frame. I'm beginning to wonder whether I need another frame.

Zimmer Frame mate?
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Old 06-05-2013, 03:38 PM   #187
clintnz
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Originally Posted by Micawberism View Post
Zimmer Frame mate?
I'd go for a KTM frame They have a forging at that point rather than pressed metal Might as well swap in a KTM motor & suspension at the same time

Seriously though, my semi professional engineering opinion would be, weld the bugger up & add metal to strengthen as per plan A. I'd add some gussets back up that lower subframe member too to spread the load from it over a larger area.

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Old 01-06-2014, 10:13 AM   #188
1989THEARK
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Question Sorry i tried to PM

Couldnt figure how how to PM you.
But are you saying that ohlins makes a drop in kit for our stock DR forks?
to make it fully adjustable. And if so are the adjustments external?

Quote:
Originally Posted by Adv Grifter View Post
Mine is certainly a big improvement over stock. I had a put a heavier Eibach spring on my stock shock but the Ohlins rides better on everything, including washboard. I've ridden it twice in Baja and in the Mojave Desert, so I've seen some washboard roads. My normal technique is to speed up, the Ohlins takes the scary out of this. I'm still working on the front forks (stock w/Eibach springs and added preload) Needs more up front to match the plushness and control of the rear.

I though of buying the new Ohlins damper rod kit for KYB and Showa forks. Drop it in and good to go. Looks like it includes Ohlin's version of a Race Tech Gold valve or some such. Problem is : $1500 USD. Ohlins do the job at their US headquarters in N. Carolina. Too rich for my blood but makes the fork fully adjustable (comp, rebound, preload)
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Old 01-07-2014, 10:24 PM   #189
Phreaky Phil OP
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Quote:
Originally Posted by 1989THEARK View Post
Couldnt figure how how to PM you.
But are you saying that ohlins makes a drop in kit for our stock DR forks?
to make it fully adjustable. And if so are the adjustments external?
No, Ohlins rear shock. My DR has DRZ400 forks.
Cogent make the IMO the best fork mod with there DDC Kit.
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Old 04-19-2014, 10:31 AM   #190
sh4kes
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Thanks for the details of your mod to move the tank back. I lost a lot of turning radius with my RM250 fork conversion, and thought I'd have to live with it until I saw your thread. Probably wouldnt have attempted it without your photos, so thanks mate. (My build here)
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