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Old 11-29-2014, 06:10 AM   #1
dazzadm OP
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Location: Gumboot Capital, NZ
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Rise of the Bemaha

I thought it was time to step up and start my own thread. I've been lurking long enough and have read a lot of threads from other inmates that have encouraged me to make some of the mods to the bike that I have always wanted to do, so thank you. This is the 4th GS that I've owned. So here it is.

A bit of history first. I bought my 1990 R100GSPD from Christchurch a few years back through Trademe. Hit the "Buy Now" and flew down the next day. This is what I bought, a 150,000km rat bike:



The ride home was terrible. The "fairing" caused my helmet to wobble with the turbulence it made. Plus it came with the original fairings so they were strapped across the back.

So once home, it was off with the Mad Max rat bike features and back on with the old fairing and bull bars:



Still not happy with the matt black paint scheme, I finally got it painted back to a simplified version of the original colours. A few trips around the country suggested to me that the forks needed upgrading (Got sick of watching KTM's cruising past while I was wrestling with the front end...), so mods began:



And finally ended up with this:



The front end came off a 2000 YZ250F. Shortened 70mm to bring it in line with the standard Beemer travel. The head stem was removed and a replacement one turned down to take the original BMW bearings and shortened to the original BMW length.

This allowed the top fork crown to pass just under the instrument panel. The Forks had already been serviced by MotoSR and some discussions came up with suitable oil levels and a bit of tuning of compression and rebound has given a firm sealed road ride, but a great off road handling, with no issues of bottoming out or flexing under breaking.

A 320mm oversize disc and mounting kit was sourced out of China at half the price of anything else and was on the door step with in 3 days of placing the order. So far it has proved to be worth it.

An Ohlins rear shock will go on once I've had it rebuilt so this will hopefully sort out the handling issues at the back of the bike, and match the springing rate of the front.

With 207,000km on the clock now, it's also time to get the gearbox serviced and the clutch replaced, just waiting for xmas to pass and some much needed love will go into the internals...

dazzadm screwed with this post 03-30-2015 at 02:54 AM
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Old 11-29-2014, 10:48 AM   #2
Padmei
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Very nice. Always liked the red & white.
Have you replaced the driveshaft?
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Old 11-29-2014, 11:24 AM   #3
kiwibul
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sweet ride, that front end looks trick, very well done
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Old 11-29-2014, 12:12 PM   #4
innathyzit
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Very nice, and yeah the red and white looks good.
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Old 11-29-2014, 12:33 PM   #5
kiwipeet
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Nice :)
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Old 11-29-2014, 04:01 PM   #6
Box'a'bits
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Good to see the rise & rise of the Airheads in this section.... That was always my favourite colour scheme.
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Old 11-29-2014, 04:15 PM   #7
dazzadm OP
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Quote:
Originally Posted by Padmei View Post
Have you replaced the driveshaft?
Yes....

Initially tried a rebuild of the original, but that didn't last very long. So decided to get a new shaft and got the taiwanese unit. They are a very nice piece of engineering.

Unfortunately the bearings collapsed after about 10,000km. The suppliers, Motor Works, have been great and ended up supplying heavy duty bearings. Apparently they are now being supplied with the heavy duty bearings.

So far so good
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Old 11-29-2014, 05:05 PM   #8
Padmei
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Quote:
Originally Posted by dazzadm View Post
Yes....

Initially tried a rebuild of the original, but that didn't last very long. So decided to get a new shaft and got the taiwanese unit. They are a very nice piece of engineering.

Unfortunately the bearings collapsed after about 10,000km. The suppliers, Motor Works, have been great and ended up supplying heavy duty bearings. Apparently they are now being supplied with the heavy duty bearings.

So far so good
One of things that is more pressing on Schmidt I have to do. i got my one rebuilt but is not good after 10K or so. Not a cheap part but prob cheaper than a service on an oilhead - that's how I justiy it anyway I'm glad they have sorted out the taiwanese ones now.

What did you do with your stock front end? My disc is getting thin so will have to fork out for one of those too.
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Old 11-30-2014, 12:12 AM   #9
dazzadm OP
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Quote:
Originally Posted by Padmei View Post
What did you do with your stock front end? My disc is getting thin so will have to fork out for one of those too.
I've got it hanging up in the shed. Sort of a hunting trophy.

Was thinking about putting it on a R65... But I can't find one cheap enough
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Old 11-30-2014, 01:28 AM   #10
Te Hopo
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Awesome mate, the bike looks great
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Old 11-30-2014, 10:36 AM   #11
Padmei
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Quote:
Originally Posted by dazzadm View Post
I've got it hanging up in the shed. Sort of a hunting trophy.

Was thinking about putting it on a R65... But I can't find one cheap enough
Well have i got deal for you
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Old 11-30-2014, 10:40 AM   #12
dazzadm OP
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Well have i got deal for you
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Old 12-01-2014, 11:57 AM   #13
Eddieb
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mmm A stock front end would go a way to lifting my r80
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Old 12-01-2014, 12:15 PM   #14
Oscar
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I put a YSS shock on my R80 (and my XT500) - a reasonably priced alternative to the big O...
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Old 12-01-2014, 12:59 PM   #15
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Talk to Robert at KSS, when I looked at an Ohlins for the Ducati he suggested a Nitron shock as a better performer and better price, it works well too! I do like the Ohlins on my PD, it keeps the rear end supple and tracking straight.
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