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Old 09-29-2008, 01:45 AM   #136
ztaj
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Joined: Jul 2008
Location: Nelson-ish New Zealand
Oddometer: 855
Hagen don't do a 750 rear shock, still exploring other options.
Would the rear shock from an 800 fit a 750, as I can get an 800 shock from Hagen
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Old 09-29-2008, 07:26 AM   #137
Jack Rabbit
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Joined: Sep 2008
Location: Gibbons, Alberta, Canada
Oddometer: 84
I just bought an '88 from my buddy. They were only sold here in Canada for 2 or 3 years so the bikes are pretty rare. It is in near mint condition and has 68000 KM's on it and was just rebuilt even though it didn't need it. Has a custom fairing with dual headlights, all bearing in the chasis replaced, a custom subframe that will hold up even when the custom rear rack and home made aluminum panniers come off. He looked for one for about 15 years and happened upon this one and after rebuilding it all winter he sold it to me so he could buy a Tiger 955i. I will post some pics soon.
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Old 09-30-2008, 01:31 PM   #138
bluesman
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Location: Hoegaarden, Belgium
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Quote:
Originally Posted by ztaj
Hagen don't do a 750 rear shock, still exploring other options.
Would the rear shock from an 800 fit a 750, as I can get an 800 shock from Hagen
I think it will fit....but I need quick look at DR750 to tell...

Check if partnumber of Wilbers shock is same for 800 SR42 and 750 SR41. If same - then 800 SR42 hagon shock will fit 750 :)

Lsdt week saw loads of basic Wilbers DR shocks, new, on eBay.de for respectively 320 and 420 euros, shipping worldwide or in Europe. Check it out...
http://cgi.ebay.de/Wilbers-Federbein...d=p3286.c0.m14



http://cgi.ebay.de/Wilbers-Federbein...d=p3286.c0.m14
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Old 10-01-2008, 12:29 AM   #139
drbig
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If any one tells you that you can't get real air with a DR Big , show them this .
The photo was taken when I unloaded the Water Bufflow after a trip on the research vessel I captain
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Old 10-01-2008, 01:24 AM   #140
ztaj
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Location: Nelson-ish New Zealand
Oddometer: 855
Quote:
Originally Posted by bluesman
I think it will fit....but I need quick look at DR750 to tell...

Check if partnumber of Wilbers shock is same for 800 SR42 and 750 SR41. If same - then 800 SR42 hagon shock will fit 750 :)

Lsdt week saw loads of basic Wilbers DR shocks, new, on eBay.de for respectively 320 and 420 euros, shipping worldwide or in Europe. Check it out...
http://cgi.ebay.de/Wilbers-Federbein...d=p3286.c0.m14



http://cgi.ebay.de/Wilbers-Federbein...d=p3286.c0.m14
Thanks for the links bluesman but my German (?) is about as good as my Chinese
I could understand the pictures though.
There is a slight diffrence in the part numbers between DR750 and 800, I just e-mailed Hessler and will wait untill they get back to me.
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Old 10-02-2008, 10:12 AM   #141
aapo
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Have to share these, If you want to see how it looks inside engine etc. DR750 maintance/repair

http://picasaweb.google.com/aapo.saa...iDR750Projekti#

-aapo
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Old 10-02-2008, 01:41 PM   #142
bluesman
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can you share a bit more details? What was state of engine and after how many km? :)


BTW - great job you done! :)
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Old 10-02-2008, 11:39 PM   #143
aapo
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At 63000 kms valves, cam and rockers were replaced with new parts. New piston and cylinder was bored to 0.5 bigger. This was done beacuse the top end was a bit noisy... Previous owner had not taking care of the valve clearance.

At 86000 kms It started to vibrate more than before above 45000 rpm and making more noise inside casings. I think this was beacuse crankshaft and conrod bearings. Another reason was that had to have the left side case welded. It was fixed just by chemical metal :) D.I.D's went broken and made a hole next to the front sprocket. Cylinder head, valves, cams etc. were still like new after 23 000 km. 4th driven gear was completely done, still working..

http://picasaweb.google.fi/aapo.saar...40416438238994

I replaced all bearings, some worn out(corrosion) gears, cam chain, camchain tension adjuster, balancer chain and conrod. Runs great, except now when I'm having some carburetor problems :)

-aapo
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Old 10-03-2008, 01:22 AM   #144
bluesman
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thanks for info!

Wow, looks like before it got to your hands that DR had some abuse from previous owner! :)



I am glad to hear another Big getting back on road

BTW - by the looks of this gear it might have been caused by infamous starter gear "throwback".
On DR800 this problem was fixed, perhaps it is possible to install back torque limitter on 750 too...
German guys advice to always shut engine off using decompresson on 750 to avoid that - you probably heard about it already, so - just in case.
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Old 10-03-2008, 01:26 AM   #145
aapo
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I think it was beacuse he just had not taking care of smal things like oil changes etc. He sold it beacuse he wanted better golf clubs :)

edit some typos...

-aapo

aapo screwed with this post 10-03-2008 at 03:22 AM
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Old 10-05-2008, 03:43 AM   #146
aapo
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Quote:
Originally Posted by bluesman
thanks for info!

Wow, looks like before it got to your hands that DR had some abuse from previous owner! :)



I am glad to hear another Big getting back on road

BTW - by the looks of this gear it might have been caused by infamous starter gear "throwback".
On DR800 this problem was fixed, perhaps it is possible to install back torque limitter on 750 too...
German guys advice to always shut engine off using decompresson on 750 to avoid that - you probably heard about it already, so - just in case.
I actually planned to do this modifaication. Maybe next winter... I have all parts but starter motor is still missing. DR800 starter motor has longer axle. I have DR800 starter gears, torguelimiter and magneto cover. There is also small difference between 750/800 casings, but it can be maganed by washers etc. DR750 gives terrible sound if you don't use decompression lever to shut engine.

BTW, my 800 engine had the same gear broken. Is it how I'm riding or what

-aapo
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Old 10-05-2008, 02:00 PM   #147
bluesman
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I do not think it is your riding :) perhaps problem is not in gear itself but some gear engaging parts...I can only guess that 4th not getting synch to engage "softly" or something like it.
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Old 10-06-2008, 12:57 AM   #148
ztaj
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Joined: Jul 2008
Location: Nelson-ish New Zealand
Oddometer: 855
WooHoo, just ordered new rear Wilbers for the rear and a set of front springs.
Measured bike height and ground clearance against factory specs and it had saged between 25 to 30mm so I figured it was a good time to do something about it.
Be keen to see how it rides when they go in.
Thanks for the Hessler link bluesman
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Old 10-06-2008, 01:49 AM   #149
NordieBoy
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Location: Kiwiland
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Quote:
Originally Posted by ztaj
WooHoo, just ordered new rear Wilbers for the rear.
Good thing too.
You wouldn't want to accidentally put them on the front now.
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Old 10-06-2008, 01:53 AM   #150
ztaj
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Location: Nelson-ish New Zealand
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Quote:
Originally Posted by NordieBoy
Good thing too.
You wouldn't want to accidentally put them on the front now.
I might just pull the new one to bits and just replace half of the old one, that'd be a good scheme aye nordie
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